10 Best Lithium Battery for Harley Davidson Reviews

You love your Harley, but that heavy lead-acid battery is holding you back—literally. Every time you lean into a corner, you feel that extra weight up high. And when winter comes, you worry about whether it will start after months of storage. A lithium battery solves all that: it drops pounds, cranks harder, and lasts for years.

In this guide, we break down the best lithium batteries for Harley-Davidson models, from Sportsters to Road Glides. You’ll learn what to look for—CCA, BMS, fitment, and waterproofing—and see detailed reviews of each product. By the end, you’ll know exactly which battery fits your bike and your riding style.

TYKOOL LFP20L-BS-STD – Lightweight Power for Softail & Heritage

If you ride a Softail, Fat Boy, or Heritage Classic, the TYKOOL LFP20L-BS-STD is a direct drop-in replacement for your YTX20L-BS. At just 3.3 pounds, it’s a full 75% lighter than the stock lead-acid battery, which lowers your bike’s center of gravity noticeably. You’ll feel the difference in tight corners and when flicking the bike from side to side. The 480 CCA is more than enough to fire up a big V-Twin even on cold mornings.

What sets this battery apart is the built-in digital readout. A single touch shows you real-time voltage and state of charge, so you never have to guess whether your battery is ready. The BMS protects against over-charge and deep discharge, and the self-discharge rate is under 1% per month—perfect for winter storage. If you want a simple, lightweight upgrade with no fuss, this is your pick.

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• SUPERIOR CRANKING PERFORMANCE: Engineered with a robust 480CCA to provide rapid cold starts for large V-Twin engines. At just 3.3 lbs (1.50 kg), it is 75% lighter than the 14lb lead-acid YTX20L-BS, significantly lowering your motorcycle's center of gravity for improved flickability, easier cornering, and reduced suspension component wear.
• PRECISE PHYSICAL SPECS & FITMENT: Dimensions: 6.89×3.43×6.10in (175x87x155mm). Direct drop-in replacement for YTX20L-BS, 65989-97C,GYZ20HL,GYZ20L and ETX20L. Polarity: [- +]. Features vibration-isolated terminals and a rugged casing designed to withstand the heavy mechanical thumping and engine heat of high-performance American cruisers.
• INTELLIGENT BMS & DIGITAL MONITORING: Integrated Battery Management System features an onboard Digital Readout LCD screen. Access real-time voltage telemetry and State-of-Charge (SOC) with a single touch. The BMS actively manages cell balancing while protecting against over-charge and deep discharge, ensuring a stable 2500+ cycle life.
• HARLEY CRUISER APPLICATIONS: Specifically optimized for Harley-Davidson models including Softail, Fat Boy, V-Rod, Heritage Softail Classic, and Night Train. The ultra-low self-discharge rate (<1% per month) ensures your bike remains road-ready even after several months of unattended winter storage, outlasting traditional AGM batteries.
• IP66 WATERPROOF & RUGGED DURABILITY: Fully sealed, shock-proof housing with an IP66 rating provides total protection against torrential rain and road debris. Essential for long-distance touring on models like the Road King and Deluxe, ensuring your electrical heart remains bone-dry and functional in all-weather environments and high-vibration conditions.
• VOLTAGE & CHARGER COMPATIBILITY: Exclusively for vehicles with a qualified regulator delivering a stabilized output under 15.0V. For optimal longevity, a charging voltage of 14.4V (±0.2V) is highly recommended. Use ONLY dedicated LiFePO4 chargers; never use lead-acid chargers with desulfurization or pulse-repair modes to avoid damaging the BMS.

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Weize Lithium YTX30L-BS – Heavy-Duty CCA for ATV & UTV

Weize’s YTX30L-BS replacement packs a serious 700 CCA in a 7.66-pound package. That’s about half the weight of a comparable lead-acid battery, but with double the starting power. It’s designed for more than just Harleys—it fits ATVs, UTVs, jet skis, and even lawn tractors. The 10Ah capacity is rated for 2,000 cycles, meaning you can expect years of trouble-free service.

The built-in BMS automatically cuts off the battery if it detects over-current, short circuit, or extreme temperatures. One neat trick: if the BMS trips, the battery reactivates on its own after one second—no need for a separate charger. The terminals are standard M6, and the polarity is left negative, right positive. Just double-check your battery tray dimensions before ordering, as this is a slightly larger group size.

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• Product Dimensions: (L) 6.54 inch x (W) 4.96 inch x (H) 6.89 inch, Item Weight: 7.66 Pounds, M6 Terminal: – + ; 700 CCA. Charge temperature:-20℃~+45℃/Discharge temperature -20℃~+60℃ ; Size, cold cranking amps, terminal location, and battery type are vital pieces to getting the right unit. please measure your old battery and compare the dimensions with this battery, if the measurements are the same, positive and negative poles are consistent, CCA is no big difference, and it will fit your vehicle. Terminal： Left : Negative (-), Right: Positive (+).
• Bulit to Last : Our 12V 10Ah LiFePO4 Batteries are designed for durability, with 700+ amps, 50,000+ starts, and 2,000 charge cycles. This means our battery will provide exceptional performance for longer periods compared to traditional lead-acid batteries. Simply put, it's 2X more power, 10X more starts.
• Safe and Environmentally Friendly : Made from 100% safe and non-toxic materials, our LiFePO4 battery is environmentally friendly and offers higher chemical stability. No sulfation, Requires no activation, no acid, no maintenance, and no water needed. It comes fully charged and ready to install. It will not overheat or catch on fire, even if punctured, making it a safe choice.
• Automatic BMS and Maintenance-Free : The built-in Battery Management System (BMS) protects your battery from Over Charge and Discharge, Over Current, and Short Circuiting, as well as Low and High temperatures for increased performance and longer life. The BMS will automatically cut off the battery and the voltage will drop below 1V. Only when the circuit is cut off, the battery will automatically reactivate after 1 second(No longer need a higher voltage input to activate).
• We aim for quality followed up with quality customer service, If you have any questions, please feel free to contact us, The Weize support team is on standby for you.

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TYKOOL LFP30L-BS-PRO – Touring Power with IP66 Waterproofing

For Harley Touring riders with high-output audio systems and LED lighting, the TYKOOL LFP30L-BS-PRO is a game-changer. It delivers 800 CCA and 18Ah capacity, supported by a 200A BMS that can handle heavy accessory loads without voltage drops. The IP66 rating means it’s fully protected against dust and water immersion—ideal for riders who don’t shy away from rain or mud.

The integrated LCD screen shows real-time voltage and state of charge, so you can monitor your electrical system at a glance. It’s precision-engineered for Road Glide, Street Glide, Electra Glide, and Tri Glide models from 1997 to 2026. If you’ve upgraded your bike with a big stereo or extra lights, this battery ensures you always have enough juice to start and run everything.

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• [18AH CAPACITY, 800CCA & 200A BMS] Delivers 800 Cold Cranking Amps with a true 18Ah capacity. The professional 200A Smart BMS supports high-torque engine starts and protects against overcharge/short circuits, ensuring peak performance for heavy-duty accessories.
• [LCD SOC READOUT & IP66 WATERPROOF] Integrated digital screen monitors real-time voltage and charge levels to prevent unexpected power loss. The IP66-rated casing ensures complete protection against dust and water immersion, perfect for extreme mud, heavy rain, and snow.
• [COMPATIBLE WITH HARLEY-DAVIDSON TOURING] Precision-engineered for Harley Road Glide, Street Glide, Electra Glide, and Tri Glide (1997-2026). Effortlessly sustains power for high-output audio upgrades and custom LED lighting systems without voltage drops.
• [UTV & SNOWMOBILE PERFORMANCE] Optimized for Compatibility with Polaris RZR/Ranger 1000, Can-Am Defender/Maverick, and large-bore Snowmobiles. Built to handle heavy vibrations and provide stable power for Electronic Power Steering (EPS).
• [STRICT WARNING: REGULATED SYSTEMS ONLY] REQUIRED: Use only with regulated charging systems (13.8V-14.6V). WARNING: Do not use on vintage or un-regulated vehicles; charging above 15V will trigger BMS protection and may cause permanent damage.
• [EASY DROP-IN REPLACEMENT] Replaces YTX30L-BS, YIX30L-BS, GYZ32HL,66000212A,66010-97D,66000175, and ETX30L. Dimensions: 168x127x177mm (6.61x5x6.97"). Polarity: Negative Left, Positive Right [- | +]. Verify your battery box clearance before purchase.

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TYKOOL LFP30L-BS-STD – Reliable Power for Road King & Street Glide

If you own a Road King, Street Glide, or Ultra Limited from 1997 to 2024, the TYKOOL LFP30L-BS-STD is a direct replacement for your YTX30L-BS battery. At 4.5 pounds, it’s 75% lighter than the stock lead-acid battery, which helps lower your bike’s center of gravity for better cornering. The 650 CCA provides strong, instant starts even in cold weather.

This battery features an intelligent BMS with a digital readout for voltage and state of charge. The reinforced terminals are designed to stay tight under the vibration of a big V-Twin. With a self-discharge rate below 1% per month, you can store your bike over winter and come back to a battery that’s ready to go. If you want a dependable, lightweight upgrade for your Touring bike without the extra features of the PRO model, this is a solid choice.

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• UNRIVALED PERFORMANCE ADVANTAGE: Massive 650CCA provides instantaneous, high-velocity cold starts for heavy V-Twin engines. At 4.5 lbs (2.04 kg), this LiFePO4 unit is 75% lighter than the cumbersome 21lb lead-acid YTX30L-BS, drastically lowering your center of gravity for improved flickability, tighter cornering, and reduced suspension wear.
• PRECISION PHYSICAL SPECS & FITMENT: Designed with exact dimensions of 6.54×4.96×6.89in (166x126x175mm) to ensure a seamless drop-in replacement for YTX30L-BS, 66010-97C, and 66010-97B. Polarity: [- +]. Built with reinforced, high-conductivity terminals designed to withstand the extreme vibration of high-displacement cruiser engines without loosening.
• INTELLIGENT SMART BMS & DIGITAL READOUT: Integrated Battery Management System features an onboard, high-contrast Digital Readout LCD. Access real-time voltage telemetry and State-of-Charge (SOC) at a single touch, eliminating the need for multimeters. The BMS actively prevents over-charge, over-discharge, and manages cell balance to ensure a 2500+ cycle lifespan.
• OPTIMIZED HARLEY TOURING APPLICATIONS: Specifically engineered for the demanding starters of Harley-Davidson Touring models (1997-2024), including Street Glide, Road King, Electra Glide, and Ultra Limited. Its ultra-low self-discharge rate (<1% per month) ensures your cruiser is ready for the open road even after months of unattended winter storage.
• UTV/ATV OFF-ROAD RESILIENCE: Built to endure the high-torque ignition requirements of the Polaris Ranger 800, RZR 800, and Sportsman 850. Advanced internal cell stabilization protects against the constant mechanical shocks and G-forces experienced during aggressive rock crawling and high-speed desert trail riding.
• IP66 WATERPROOF & RUGGED DURABILITY: Fully sealed, shock-proof housing boasts an IP66 rating, providing total protection against torrential rain, deep mud, and high-pressure power washes. This robust construction is essential for snow plowing and extreme outdoor environments where standard AGM batteries frequently succumb to moisture.
• STRICT VOLTAGE & CHARGER COMPATIBILITY: Exclusively for vehicles with a qualified regulator delivering a stabilized output under 15.0V. Systems with faulty charging or output >15V (common in vintage or un-regulated stators) must be upgraded to a certified regulator to prevent BMS protection triggers. Use ONLY dedicated LiFePO4 chargers; never use lead-acid chargers with desulfurization or pulse-repair modes.

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TYKOOL LFP14L-BS-STD – Compact CCA for Sportster 883 & 1200

Sportster riders, this one’s for you. The TYKOOL LFP14L-BS-STD is a drop-in replacement for your YTX14L-BS battery, fitting 2004-2023 XL, XLH, Iron 883, and 1200 models. It delivers 400 CCA from a tiny 8Ah pack, which is more than enough to spin up a 883 or 1200 engine. The battery weighs only about 3 pounds, making it a huge weight savings over the stock lead-acid unit.

It includes an IP67 waterproof rating, so you can ride through rain or wash your bike without worry. The integrated digital display shows voltage and state of charge, and the 80A BMS protects against over-charge and deep discharge. With a self-discharge rate under 1% per month, it’s perfect for bikes that sit for long periods between rides. If you want a compact, lightweight battery that fits your Sportster perfectly, this is it.

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• V-TWIN HIGH-TORQUE IGNITION: Engineered with elite LiFePO4 cells delivering a massive 400 Cold Cranking Amps (CCA). This LFP14L-BS-STD unit provides the explosive starting torque required for Harley-Davidson 883cc and 1200cc engines, ensuring instant fire-up in all weather
• ULTRA-LOW 1% SELF-DISCHARGE: Features a premium chemical architecture with a monthly self-discharge rate under 1%. Stays ready for action after 12 months of winter storage without a maintenance charger, outperforming traditional AGM batteries in long-term reliability
• INTELLIGENT DIGITAL SOC MONITOR: Integrated high-contrast LED display shows real-time voltage. Allows riders to monitor electrical health at a glance, crucial for modern Harley models with high parasitic loads from anti-theft systems and accessories
• ADVANCED 80A BMS SYSTEM: Equipped with an upgraded 60A industrial-grade BMS that protects against over-charging, deep discharge, and thermal runaway. Supports a professional 2000+ deep-cycle lifespan for years of maintenance-free riding
• LIGHTWEIGHT RUGGEDIZED BUILD: Weighing only 1.5kg (3.3 lbs), it slashes 70% of lead-acid weight to improve bike handling. The IP67 waterproof reinforced casing is designed to survive high-pressure washes and the severe vibrations of heavy-duty cruisers
• Fits for Motorcycles: HD: Street series 500cc/750cc/cc (2014-2021); XL,XLH (Sportster) 1200cc/883cc (2004-2020); SL,XLH,XR1200X (Sportster) cc (2004-2023); XR1200X 1200cc (2009-2012). Fits for Personal Watercraft: BRP (Sea-doo) 900cc Spark 2024
• VOLTAGE COMPATIBILITY & WARRANTY: Exclusively for vehicles with a qualified regulator delivering stabilized output under 15.0V. Systems without a regulator or outputting >15V must upgrade to a certified regulator before use to prevent BMS triggers or cell damage. Verify peak charging voltage (14.4V±0.2V is optimal) prior to installation

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TYKOOL YTX14L-BS – High CCA for Sportster & Street Models

This TYKOOL YTX14L-BS battery is essentially the same size as the LFP14L-BS-STD but with a slightly higher 480 CCA rating. It’s designed for Sportster 883/1200 (2004-2023), Street 500/750 (2014-2021), and XR1200X (2009-2012). The dimensions are 150x87x145mm, so it drops right into the original battery tray with no modifications.

Like its sibling, this battery has an ultra-low self-discharge rate of under 1% per month, meaning you can leave it for a year without a tender. The intelligent digital display lets you check voltage at a glance, and the IP67 waterproof casing protects against the elements. The extra 80 CCA over the standard model gives you a bit more headroom for cold starts, especially if you have a high-compression engine. It’s a simple, reliable upgrade for smaller Harleys.

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• V-TWIN HIGH-TORQUE IGNITION: Engineered with elite LiFePO4 cells delivering a massive 480 Cold Cranking Amps (CCA). This LFP14L-BS unit provides the explosive starting torque required for Harley-Davidson 883cc and 1200cc engines, ensuring instant fire-up in all weather.
• PRECISE HARLEY FITMENT & YEARS: Optimized for Sportster 883/1200 (XL, XLH 2004-2023), Street 500/750 (2014-2021), and XR1200X (2009-2012). Measures 150x87x145mm (5.91"x3.43"x5.71") for a perfect drop-in fit in original battery trays. Replacement for battery sizes: YTX14L-BS,GYZ16HL
• ULTRA-LOW 1% SELF-DISCHARGE: Features a premium chemical architecture with a monthly self-discharge rate under 1%. Stays ready for action after 12 months of winter storage without a maintenance charger, outperforming traditional AGM batteries in long-term reliability.
• INTELLIGENT DIGITAL SOC MONITOR: Integrated high-contrast LED display shows real-time voltage. Allows riders to monitor electrical health at a glance, crucial for modern Harley models with high parasitic loads from anti-theft systems and accessories.
• LIGHTWEIGHT RUGGEDIZED BUILD: Weighing only 1.6kg (3.5 lbs), it slashes 70% of lead-acid weight to improve bike handling. The IP67 waterproof reinforced casing is designed to survive high-pressure washes and the severe vibrations of heavy-duty cruisers.
• ADVANCED 80A BMS SYSTEM: Equipped with an upgraded 80A industrial-grade BMS that protects against over-charging, deep discharge, and thermal runaway. Supports a professional 2000+ deep-cycle lifespan for years of maintenance-free riding.
• Fits for Motorcycles: Harley-Davidson: Street series 500cc/750cc/cc (2014-2021); XL,XLH (Sportster) 1200cc/883cc (2004-2020); SL,XLH,XR1200X (Sportster) cc (2004-2023); XR1200X 1200cc (2009-2012). Fits for Personal Watercraft: BRP (Sea-doo) 900cc Spark 2024
• VOLTAGE COMPATIBILITY & WARRANTY: Exclusively for vehicles with a qualified regulator delivering stabilized output under 15.0V. Systems without a regulator or outputting >15V must upgrade to a certified regulator before use to prevent BMS triggers or cell damage. Verify peak charging voltage (14.4V±0.2V is optimal) prior to installation.

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KEMIMOTO YTX20L-BS Bluetooth – Smart App Control & Winter Sleep Mode

For the tech-savvy rider, the KEMIMOTO YTX20L-BS Bluetooth battery brings a whole new level of control. You can connect via a dedicated app to see real-time voltage, current, temperature, and state of charge. The battery features two modes: Moto Mode, which puts the BMS to sleep when power drops below 30% to save energy during long storage, and Normal Mode, which keeps the battery fully active at all times. Waking it up is as easy as tapping the power button or using the app.

This 12V 12Ah LiFePO4 battery weighs only a fraction of a lead-acid equivalent and delivers plenty of power for most mid-size bikes. The built-in LCD display on the battery itself gives you a quick readout without needing your phone. The BMS handles overcharge, over-discharge, short circuits, and extreme temperatures. If you want to monitor your battery health from your phone and never worry about winter drain, this is an innovative choice.

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• MOTO & NORMAL MODE: This motorcycle battery offers two operating modes for flexible use. Moto Mode: When not charging and power drops below 30%, BMS auto-enters sleep mode, cutting standby power consumption to 1/5 of normal mode, preventing winter long-idle battery drain. Wake it easily via mobile app or battery power button. Normal Mode: No sleep mode below 30% power, keeping the device fully operational and instantly ready for anytime use.
• DUAL MONITORING SYSTEM: Track atv battery health effortlessly with dual monitoring options. Connect via Bluetooth to the dedicated mobile app for real-time full data: operating mode, charge level, voltage, current, power and temperature. For quick checks, the built-in LCD digital display clearly shows key stats including mode, remaining power and voltage, letting you master 12v lithium battery status anytime, anywhere.
• BMS SAFETY PROTECTION: Built-in intelligent BMS provides all-round safety guard, effectively avoiding rechargeable battery damage from overcharging, over-discharging, short circuits and extreme temperatures. This lithium motorcycle battery works safely in -0.4°F to 140°F wide temperature range, delivering stable, reliable performance in freezing winter and scorching summer, ensuring safe use for every ride.
• LONG-LASTING LIFEPO4 BATTERY: 12V LiFePO4 battery is a lead-acid battery replacement: 1/3 the weight, double the power, 5x faster charging, 8-10x longer lifespan. It has 4x longer cycle life than standard lithium batteries, reaching 3000 full cycles at 100% DOD, eliminating discharge worries. Note: Confirm amperage matches original battery to avoid safety hazards.
• UNIVERSAL FIT & COMPLETE KIT: This product includes 1 battery, 4 screws, 1 EVA spacer and 1 user manual, ready for easy installation. Compatible with YTX20-BS, YTX20L-BS, YTX20HL, YTX20L, YB16L-B, GYZ20HL, GYZ20L, YTX24HL-BS, YTX24HL and other standard models, ideal for motorcycle, ATV, UTV, PWC and snowmobile.

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RDJLIPB YTX30L-BS – Ultra-Light 3.2 lbs for Handling Improvement

At just 3.2 pounds, the RDJLIPB YTX30L-BS is one of the lightest 30L replacements on the market. That’s a massive weight savings compared to the 21-pound lead-acid battery it replaces. This reduction in weight, especially up high, noticeably improves handling—your bike will feel more agile and easier to lean into corners. The 600-700 CCA rating is plenty for any Harley V-Twin, and the 10Ah capacity is equivalent to a 30Ah lead-acid in terms of power delivery.

The battery includes a touch-sensitive LCD display for voltage and state of charge, plus a built-in intelligent BMS that protects against overcharge, over-discharge, short circuits, and temperature extremes. It’s made from safe, non-toxic LiFePO4 chemistry, so you can dispose of it with peace of mind. If you’re looking to shave as much weight as possible without sacrificing performance, this battery is a top contender.

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• Battery Parameters: (L) 5.9 inch x (W) 3.4 inch x (H) 3.7 inch, Weight: 3.2 lbs, 12.8 V, 10 Ah, 128 Wh, 600-700 CCA. Terminals: Left: Negative (-), Right: Positive (+). Please measure your vehicle's battery compartment dimensions before purchasing. If the installation space is suitable, the positive and negative terminals are in the same position, and the CCA difference is not significant, then this 12V 10Ah lifepo4 battery is suitable for your vehicle.
• High Performance and Lightweight: Our 12V motorcycle battery has a 10Ah capacity, equivalent to a 30Ah lead-acid battery in a comparable battery pack. It's also three times lighter than a lead-acid battery, significantly lowering the vehicle's center of gravity and improving handling agility. Compared to lead-acid batteries, 12V lithium batteries offer twice the power, over 3000 charge cycles, and ten times longer lifespan, reducing the frequency of battery replacements.
• Intelligent BMS and LCD Display: The 12V 10Ah lithium battery features a built-in intelligent BMS that protects it from overcharging and discharging, overcurrent and short circuits, and overheating and overcooling. When the BMS detects these hazards, it automatically closes the circuit to protect the lifepo4 lithium battery from permanent damage and extend its lifespan. A touch-sensitive LCD display on the top of the lithium motorcycle battery allows for easy checking of the battery's SOC and real-time voltage, enabling you to track the battery's status at any time.
• Safe and Environmentally Friendly: Our 12 volt motorcycle batteries are made with safe and non-toxic materials, making them safer and more environmentally friendly than lead-acid batteries, and a perfect alternative. Lifepo4 lithium motorcycle batteries have excellent corrosion resistance and better conductivity, requiring no sulfation, activation, acid, water addition, or maintenance, and are durable.
• Upgraded Terminals and Technical Warnings: The built-in threaded terminal design allows for multiple connection methods, supporting front, side, top, and nut mounting. This 12 volt lithium battery is only suitable for vehicles equipped with a qualified voltage regulator and an output voltage consistently below 15.0V. Please verify the vehicle's charging output voltage with a multimeter before installation. The charging voltage should be below 14.6V, and you must use only a dedicated lithium iron phosphate battery charger!
• Compatible Models: Replaceable lead-acid battery models: YTX30L, YTX30L-BS, YIX30L, YIX30L-BS, BTX30L, YB30L-B, YB30CL-B, etc. Powersports batteries are suitable for starting motorcycles, ATVs, UTVs, scooters, jet skis, snowmobiles, lawnmowers, generators, etc. Perfectly compatible with Harley Davidson Touring models and Polaris Sportsman series.

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AMPXELL YTX30L-BS – Extreme Cold Weather Performer

The AMPXELL YTX30L-BS uses stacking Li-Po cell technology to deliver a staggering 1080A starting power from an 18Ah capacity. That’s massive for extremely cold temperatures—it’s rated to work down to -4°F (-20°C). If you ride in northern climates or store your bike in an unheated garage, this battery ensures your engine will crank even on the coldest mornings. The dimensions are 5.9×3.4×3.7 inches, making it a compact fit for many applications.

It features a heavy-duty shell that protects against weather and dust, and the quad-terminal design with universal spacers means it can fit a wide variety of connection configurations. The battery is maintenance-free, contains no acid, and is environmentally friendly. With a self-discharge rate much lower than lead-acid, you can leave it for months and still have power. For riders who face harsh winters, this battery’s low-temperature performance is a standout.

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• AMPXELL lithium motorcycle battery use stacking li-po cell, low internal resistance, stable voltage, excellent low-temperature performance, high continuous discharge c-rate, powerful starting current. it easily starts motorcycles and other electronic equipment at -4°f to 140°f(-20℃ to 60℃).
• With the same capacity battery, the discharge rate of the lithium iron phosphate(lifepo4)battery is 10 times that of the lead-acid battery, the volume and weight are only 1/3 of the ordinary lead-acid battery, and the self-discharge is low, there is no memory effect, and the service life is longer.
• Safe and convenient: after modified heavy-duty shell protects the battery from weather and dust. the battery components do not contain any acid and lead-free, it is safe and environmentally friendly, maintenance-free, and can be charged and used at any time.
• Quad terminal and universal spacer design, compatible with most motorbike, atv personal watercraft, jet ski, motorboat, scooter batteries, as well as replacement lead-acid ytx30l bs/yix30l batteries, etc.,to easily connect various vehicles in multiple directions and compatible more lead-acid battery models
• AMPXELL lithium batteries have passed strict quality tests before leaving the factory, with real nominal capacity, no false capacity,small internal resistance, stable voltage and higher safety.

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NOCO Lithium NLP20 – Premium Build with UL Certification

NOCO is a well-known name in battery care, and their NLP20 lithium battery lives up to the reputation. It’s a Group 20 size (7Ah) with 600A starting power, designed to replace lead-acid batteries in powersports vehicles. It’s UL certified, which means it has been independently tested for safety—a rare distinction in the lithium battery market. The battery is ultra-light, weighing only about 2 pounds, and it ships pre-charged and ready to install.

The intelligent BMS protects against overcharge, short-circuit, over-discharge, and extreme temperatures, and it actively balances cells without needing a reset. NOCO claims up to 50,000 starts and 2,000 cycles, and the battery can be recharged in just minutes—5 minutes of charge gives enough power to crank your engine. If you want a premium, safe, and reliable battery from a trusted brand, the NLP20 is a top pick, though it’s best suited for bikes with lower amp-hour requirements.

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• BETTER THAN LEAD-ACID — No sulfation. No acid. No maintenance. No activation. Ships pre-charged, though we recommend charging before installation for best performance and longevity.
• INSANE PERFORMANCE — Over 600 amps of starting power. 2X more power. 10X more starts. 5X longer life. Up to 50,000 starts and 2,000 cycles. It doesn’t just outperform – it overwhelms.
• INTELLIGENT BMS — A smart battery management system that protects against overcharge, short-circuit, over-discharge, and extreme temperatures – actively balances cells and never needs a reset..
• SUPERFAST CHARGING — Recharge in minutes, not hours. Just 5 minutes of charge delivers enough current to crank your engine – powered by lithium technology optimized for rapid charging.
• UNIVERSAL FIT — Multi-terminal design supports front, side, top, and female connections. Modular trays and a removable mounting block adapt to legacy group sizes and tighter spaces.
• WIDE COMPATIBILITY — Designed for motorcycles, ATVs, UTVs, scooters, jet skis, lawn mowers, generators, and more – engineered to support a broad range of powersports and utility equipment.
• PRECISE FITMENT — Add your vehicle to Amazon Garage for compatibility. Replaces battery sizes: B16L-B, B16CL-B, B18L-A, BTX15L, BTX15L-BS, BTX20L, BTX20LBS, BTZ20L, BTX20HL-BS, B50-N18L-A3, ETX16L, ETX20L, GYZ20L, GYZ20HL, YTX15L, YTX15L-BS, YB16HL-A-CX, YB16L-B, YB16CL-B, SYB16L-B, YTX20HL, YIX20HL, YTX20HL-PW, YTX20HL-BS, YTX20HL-BS-PW, YIX20HL-BS, YTX20L, YTX20L-BS, and Y50-N18L-A3.

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Buyer’s Guide: What to Consider

Choosing the right lithium battery for your Harley doesn’t have to be complicated. Focus on a few key specifications that match your bike’s electrical demands and your riding habits. Here’s what to consider before you buy.

• CCA (Cold Cranking Amps): The higher the CCA, the easier your engine starts in cold weather. For Harley V-Twins, look for at least 400 CCA; for Touring models with high compression, consider 600 CCA or more.
• Capacity (Ah): Amp-hours determine how long the battery can power accessories. If you have a stock bike, 8-12Ah is fine. With audio upgrades or extra lights, aim for 18Ah or more.
• Weight & Size: Lithium batteries are 60-75% lighter than lead-acid. This reduces overall bike weight and lowers the center of gravity, improving handling. Make sure the dimensions match your battery tray exactly.
• BMS (Battery Management System): An intelligent BMS protects against overcharge, over-discharge, short circuits, and temperature extremes. Some BMS also auto-recover after a fault, which is handy.
• Waterproofing (IP Rating): If you ride in rain or wash your bike often, choose an IP65 or higher rated battery. IP67 is fully dust-tight and can handle temporary immersion.
• Self-Discharge Rate: Lithium batteries typically lose less than 3% charge per month. A rate under 1% is ideal for winter storage without a tender.
• Additional Features: Digital displays, Bluetooth connectivity, and multiple terminal positions add convenience. Decide if you need these extras or prefer a simple, no-frills battery.

Conclusion

Upgrading to a lithium battery is one of the best things you can do for your Harley. You’ll save weight, get more reliable starting power, and enjoy years of maintenance-free use. Whether you ride a Sportster, Softail, or a fully loaded Road Glide, there’s a lithium battery that fits perfectly.

For most riders, the TYKOOL LFP20L-BS-STD offers unbeatable value for Softails and Heritage models, while the TYKOOL LFP30L-BS-PRO is the go-to for Touring bikes with heavy electrical loads. If you want the latest tech, the KEMIMOTO Bluetooth battery lets you monitor everything from your phone. And for ultimate safety, the NOCO NLP20 is UL certified and built to last. Measure your battery tray, check your CCA needs, and make the switch—you’ll never go back to lead-acid.