9 Best Group 48 Car Battery Reviews

You’re cruising along when your car suddenly refuses to start on a cold morning. That dreaded click-click-click is a reminder that your battery won’t last forever. Choosing the right Group 48 replacement can feel overwhelming with so many technologies and specs.

In this guide, you’ll discover nine top-rated Group 48 car batteries — from reliable AGMs to advanced lithium and solid-state options. We break down each model’s features, pros, cons, and ideal use case so you can confidently pick the perfect battery for your driving needs.

Weize Platinum AGM Battery – Best Budget AGM Daily Driver

The Weize Platinum AGM is a solid choice if you want a well-rounded Group 48 battery without breaking the bank. It delivers 760 CCA and 120 RC, so you get reliable starting even in cold weather and decent reserve power for accessories. The 70Ah capacity ensures consistent energy delivery, and the AGM design means it recharges faster than flooded batteries.

Weize backs this battery with a 36-month warranty, which is generous at this price point. The dimensions (10.94 x 6.89 x 7.48 inches) and tapered terminals with L/R orientation match standard H6 fitment. While it doesn’t have the highest CCA on this list, it offers excellent value for everyday commuters and mid-sized sedans.

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• ✅Batter dimensions: 10.94" L x 6.89" W x 7.48" H, Terminal: Tapered terminal (Left negative (-), Right positive (+)). ✅Please ensure to verify the dimensions and terminal position before making a purchase to guarantee compatibility with your vehicle to avoid any fitment issues.
• 120RC rating： Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries.Nominal Voltage:12V, Capacity: 60 Ah. CCA: 680A, Self Discharge: <8% after 90 days storage.Operating Temperature Range:-22°F ～158°F, Acceptable Charging Current: 0～18A, Charging Voltage: 14.4 ～15.0 V,
• 70AH capacity: Delivers consistent power over time, Cycles more, and recharges faster than conventional batteries.
• 760 CCA: Ensures quick and reliable starting power.Delivers superior starting power in cold weather, and resists internal corrosion from heat.
• Advanced technology: Specially designed for vehicles with start-stop technology and accessories that demand greater power, Whether you drive a car, truck, or SUV, this 120RC 70AH 760CCA automotive start-stop battery is the perfect choice for reliability.
• Low maintenance and easy to install： Leak-proof and certified non-spillable design for safer maintenance-free power, Constructed for greater vibration resistance and enhanced durability.
• We aim for quality followed up with quality customer service. Size, cold cranking amps,terminal location,and battery type are key 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.
• ✅ AGM automotive starter batteries are specifically designed for Stop/Start applications and are ideal for vehicles with higher electrical accessory loads or those that require a high CCA starting battery with enhanced cyclic performance. However, they are not suitable for deep-cycle applications such as solar projects or marine use.

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ACDelco Gold 48AGM – Premium OEM-Style Longevity

ACDelco is a well-known OEM supplier, and their Gold 48AGM carries that factory quality. It uses high-density negative paste and a calcium lead positive grid to maximize conductivity and extend cycle life. The silver calcium stamped alloy further improves performance and durability, making it one of the longer-lasting AGM batteries in this group.

This battery also features a robust envelope separator that resists puncture and improves acid circulation, helping it stay cool under load. With a 36-month warranty and ACDelco’s reputation, you’re paying for peace of mind. If you need a battery that will hold up over years of start-stop driving and heavy electrical demands, this is a top contender.

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• High density negative paste, improves performance and increases battery life
• Enhanced life alloy or Silver Calcium stamped alloy increases cycle life and improves performance
• Calcium lead positive grid, maximizes conductivity and allows for low resistance
• Robust envelope separator with puncture resistant back, allows for increased acid circulation and prevents shorts. Improved acid circulation, helps the battery to remain cool, and extend battery life
• Vent cap design that resists acid leakage

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Mighty Max Battery MM-H6 – Compact Power for Tight Spaces

The Mighty Max MM-H6 is a Group 48 AGM that emphasizes fast starting power with its 760 CCA and 120-minute reserve capacity. It’s designed to deliver strong starts regardless of weather conditions, and the AGM construction is sealed and spill-proof for worry-free installation. The rugged internal build resists shock and vibration, making it suitable for vehicles that encounter rough roads.

One standout is the 120 RC – higher than many competitors – which means you can run electronics longer if the alternator fails. The battery fits standard H6 dimensions, and the terminal configuration is left negative/right positive. While Mighty Max isn’t as mainstream as some brands, their batteries often deliver solid performance at a competitive price.

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• Fast Starting Power: This 12V 70Ah 760 CCA delivers strong, steady starts is ready for any weather in any season.
• Made to Last: With its 120-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
• All Power, No Mess AGM Design: Sealed and spill-proof, the MM-H6 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
• Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
• Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
• Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
• Dimensions: Sized at 10.94 x 6.88 x 7.48 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
• Included: Each battery includes mounting screws for quick, hassle-free installation.
• Not Included: Wire harness and mounting accessories are not included.
• 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.

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Daakmax Platinum AGM – All-Weather Reliability

Daakmax’s Platinum AGM battery is built for extreme temperature performance, with a rated operating range of -22°F to 158°F and the ability to withstand brief extremes down to -40°F. That’s impressive for drivers in northern climates or desert heat. It delivers 760 CCA and 120 RC, and the AGM technology provides twice the cycle life of conventional batteries.

Vibration resistance is 18 times greater than standard batteries, which helps it survive potholes and off-road use. The leak-proof design adds safety, and the 36-month warranty provides reassurance. If you want a battery that won’t let you down in the worst weather, this model is a strong candidate.

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• ✅ Perfect Fit & Compatibility: BCI Group Size 48 (H6), 12V 70Ah, 760CCA, 120RC. Dimensions: 10.94" L x 6.89" W x 7.48" H. Terminal: Tapered terminal (Left negative (-), Right positive (+)). Ensure proper fit by comparing the size, terminal position, and CCA with your original battery. This ensures compatibility and avoids any fitment issues for your vehicle.
• ✅ Reliable Starting Power in All Conditions: Delivers 760 Cold Cranking Amps (CCA) for reliable engine starts, even in freezing weather. This automotive battery is built to perform consistently within a wide temperature range from -22°F to 158°F, withstanding short-term extremes from -40°F to 75°F, ensuring maximum performance no matter the weather.
• ✅ Advanced AGM Technology for High Performance: Specially designed for vehicles with start-stop technology and those requiring greater power, this AGM battery delivers up to 2X the cycle life of conventional batteries. With its high-density negative paste, it ensures improved conductivity, longer battery life, and faster recharge times. Maintenance-free design—no need to add liquid or water.
• ✅ Durable & Safe Design: This group 48 battery is 18X more vibration-resistant than standard batteries, ensuring a longer service life and reliable performance. Its leak-proof, non-spillable design offers enhanced safety, and the absence of free acid guarantees stable performance, preventing acid leakage and internal corrosion. Ideal for tough conditions.
• ✅ Not for Deep Cycle Applications: Please note that this is a starting battery and is not designed for deep-cycle applications such as solar or marine use. It is ideal for vehicles with higher electrical accessory loads or those that need a high CCA starting battery with enhanced cyclic performance. Verify that the battery type and specifications match your vehicle's requirements.
• ✅ 3-Year Warranty: We provide a 3-year warranty on our car batteries. If you experience any quality issues during this period, we offer a free replacement. Our dedicated support team is available to assist with any questions or concerns.

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UPLUS BCI Group 48 – High Cycle Life for Start-Stop Vehicles

The UPLUS Group 48 AGM battery is engineered specifically for vehicles with start-stop technology and heavy electrical loads. It boasts four times the cycle life of standard conventional batteries, thanks to high-density negative paste and silver calcium stamped alloy. The calcium lead positive grid maximizes conductivity and reduces internal resistance, improving cold cranking performance.

With 760 CCA and 120 RC, it meets or exceeds OEM specs for most Group 48 applications. Dimensions are 10.98 x 6.81 x 7.51 inches, very close to standard H6 size. If you often take short trips or use accessories like heated seats and navigation, this battery’s deep-cycle capability will hold up better than budget alternatives.

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• Battery dimensions — BCI Group size 48 (H6 L3), 10.98 x 6.81 x 7.51 inches, Terminal Layout: Left: – Right: +. Battery dimensions, cold cranking amps, terminal location and battery type are key factors in getting the right unit. Please measure your old battery and compare the size with this battery, if the measurements are the same, the positive and negative positions are the same, there is not much difference in CCA and it will fit your vehicle.
• 4 TIMES EXTRA CYCLING — High density negative paste and Enhanced life alloy or Silver Calcium stamped alloy.Uplus Start and Stop AGM battery has 4 times extra cycle life compared to standard conventional batteries.
• DESIGNED FOR VEHICLES WITH START-STOP — International standard size BCI Group 48 (H6/L3), easy to install.Ideal for vehicles with large electrical loads (DVD players, navigation systems, heated seats, power doors, etc.), vehicles used for frequent short trips or in stop-n-go traffic and vehicles that sit unused for days or weeks at a time.
• DEEP-CYCLE AND CRANKING POWER — Calcium lead positive grid, maximizes conductivity and allows for low resistance.Highest cold cranking amperes (760CCA) for engine starts, even reliable during cold winter temperatures.
• TOP-LEVEL SAFETY — 15 times more vibration-resistant.Vent cap design that resists acid leakage.Top-level safety features and absolutely no free acid.Original Spare Parts ensure the replacement battery has the same quality as the original one.
• LOCAL AFTER-SALES SUPPORT — 3-year warranty. UPLUS has a fixed office and warehouse in California and Georgia, responds within 12 hours.

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Goodyear 48-H6-AGM – Trusted Brand with Versatile Mounting

Goodyear brings its reputation for reliability to the 48-H6-AGM platinum series battery. It delivers 760 CCA and 120 RC, matching the typical specs for this group size. One unique feature is versatile installation: it can be mounted in multiple positions (except upside down), giving you flexibility in tight engine bays or when you need to relocate the battery.

The spill-proof AGM design and extended cycle life (up to twice that of conventional batteries) make it a solid performer. Goodyear’s backing means you can expect consistent quality and easier warranty service if needed. If you value brand trust and need flexibility in mounting, this battery is worth considering.

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• Unstoppable Power in Any Weather: This 12V 70Ah battery delivers 760 cold cranking amps (CCA) for reliable starts, whether it’s a freezing winter morning or a scorching summer afternoon.
• Versatile Installation: Can be mounted in multiple positions (except upside down), giving you flexible placement options for your vehicle.
• Extended Performance That Lasts: Engineered for longevity with a 120-minute reserve capacity (RC), providing extended power and up to twice the cycle life of conventional batteries.
• Built Tough for Any Terrain: Spill-proof AGM technology resists shocks and vibrations, ensuring dependable performance in the most demanding conditions.
• Consistent Power, Year-Round: High discharge rates and a wide temperature range deliver steady, long-lasting performance in any climate.
• Certified for Quality & Safety: Goodyear Batteries are CE certified and built in an ISO-certified factory, meeting strict quality and safety standards.
• Physical Features: 10.75 x 6.87 x 7.50 inches with easy to identify polarity: positive on the right, negative on the left.
• Included: Battery and screws for hassle-free installation.
• Not Included: Wire harness and mounting accessories sold separately.
• 36 Month Warranty: Drive with peace of mind knowing your battery is covered, built tough and backed for the long haul

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TPE Lithium Car Battery – Lightweight High-Performance Upgrade

The TPE lithium-ion battery is a game-changer for Group 48 applications. It delivers 1100 CCA (tested up to 1300), far outperforming any AGM in this category. Weighing much less than lead-acid, it improves fuel efficiency and handling. The lithium iron phosphate chemistry with built-in BMS ensures safe operation and prevents overcharging, over-discharging, and short circuits.

This battery is ready to install out of the box with no maintenance. TPE claims up to 2-3 times longer lifespan and up to 50,000 engine starts compared to lead-acid. It’s ideal for high-performance vehicles, frequent stop-start driving, or as a weight-saving upgrade. However, make sure your charging system is compatible with lithium batteries.

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• 【Ready-to-Use】No need for activation, maintenance, acid, or water with our fully charged TPE lithium-ion battery. It's ready for installation right out of the box
• 【Perfect Fit】Our battery measures 10.8*6.9*7.5 in(L*W*H) and boasts a voltage of 12.8V, capacity of 50Ah（Max 60Ah）, and cold cranking ampere of 1100A, with testing up to 1300 CCA. With the finest lithium-iron phosphate battery material, it's important to compare dimensions with your previous battery before purchase
• 【Safe and Stable】Our high-rate lithium iron phosphate battery supported by a BMS control circuit creates a safe, reliable performance, unlike that of ordinary lead-acid batteries. Our battery features a complete intelligent protection circuit line that prevents overcharging, over-discharging, over-voltage, and overcurrent, making your experience worry-free
• 【Powerful Performance】Our TPE battery boasts impressive starting ability one times higher than any lead-acid devices. Long-lasting life that lasts 2-3 times longer and a cycle life that offers up to 2,000 runs. Our battery promises up to 50,000 engine starts than a comparable lead-acid option making it cost-effective in the long-term
• 【TPE After-Sales Service】24 hour quick response online customer service, 5-year after-sales worry free service, if you have any questions about the product, please contact us by email

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Lipower Solid State Battery – 10-Year Lifespan Extreme Cold Performer

Lipower’s solid state battery redefines longevity, offering a claimed 10-year lifespan — far beyond any AGM. It delivers a massive 1200 CCA and maintains full output even at -30°C, making it unbeatable for frigid climates. The solid state design is spill-proof and vibration-resistant, and it works as a direct replacement for Group 48 AGM batteries.

With 140 RC and 768Wh capacity, it provides plenty of reserve power. The advanced BMS ensures stable voltage even after 100+ stop-starts in heavy traffic. While the price is high, the long-term value is clear if you plan to keep your vehicle for many years or live in an area with harsh winters.

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• 𝗗𝗶𝗿𝗲𝗰𝘁 𝗙𝗶𝘁 𝗚𝗿𝗼𝘂𝗽 𝟰𝟴 𝗖𝗮𝗿 𝗕𝗮𝘁𝘁𝗲𝗿𝘆: Our 12V car battery features standard Group 48/H6/L3/66L3 (279*175*189mm/10.9" *6.88" *7.44") and original SAE terminals, allowing 10-minute DIY replacement. Measure your original automotive battery size before purchase to ensure perfect fit, avoiding return hassles. This 12 volt battery works as a direct automotive replacement AGM battery for sedans, SUVs, and trucks, matching OEM fit seamlessly
• 𝟭𝟬-𝗬𝗲𝗮𝗿 𝗟𝗶𝗳𝗲𝘀𝗽𝗮𝗻: Unlike AGM car batteries or traditional lead-acid auto battery that need replacement every 2–3 years, our solid state 12v start-stop car battery delivers 10 years of reliable service, requiring only one replacement for the entire vehicle life. Save 3–4 times the cost and time of frequent battery changes, making it an ideal truck battery, auxiliary battery, or boat battery for long-term ownership
• 𝟭𝟮𝟬𝟬𝗔 𝗖𝗖𝗔 𝗖𝗮𝗿 𝗕𝗮𝘁𝘁𝗲𝗿𝘆: Powered by advanced BMS, our automotive replacement batteries maintains stable 1200CCA output and 12V voltage, even after 100+ stop-starts in heavy traffic. No cranking hesitation, no flickering lights, and no damage to starters or infotainment systems. Perfect as a powersports battery, 4 wheeler battery, or motorcycle battery for consistent performance
• -𝟯𝟬°𝗖 𝗜𝗻𝘀𝘁𝗮𝗻𝘁 𝗦𝘁𝗮𝗿𝘁: Engineered for extreme cold, our 12v rechargeable battery delivers full 1200 CCA output at -30°C, enabling one-click instant ignition in snowy garages or outdoor parking. No warm-up, no jump start needed—ideal for truck battery, ATV battery, or snowmobile use in northern regions, outperforming optima batteries and AGM battery in low-temperature performance
• 𝗭𝗲𝗿𝗼 𝗟𝗲𝗮𝗸 & 𝗘𝘅𝗽𝗹𝗼𝘀𝗶𝗼𝗻 𝗣𝗿𝗼𝗼𝗳: With solid electrolyte technology (no liquid electrolyte), our solid state battery eliminates leakage, corrosion, and thermal runaway risks. Even under extreme impact, drop, or puncture, it will not explode or catch fire—safer than lithium-ion battery or AGM battery. This makes it a trusted car battery for family cars, RVs, and modified vehicles
• 𝗨𝗹𝘁𝗿𝗮-𝗟𝗼𝘄 𝗦𝗲𝗹𝗳-𝗗𝗶𝘀𝗰𝗵𝗮𝗿𝗴𝗲: Featuring an ultra-low self-discharge rate (≤0.04%/month), our H6 battery retains over 97% capacity after 6 months of parking. No dead battery, no jump start rescue—perfect for long business trips, winter storage, or RV use. As a reliable battery for car, kayak battery, or fish finder battery, it stays ready whenever you need it
• 𝗩𝗲𝗵𝗶𝗰𝗹𝗲 𝗦𝗽𝗲𝗰𝗶𝗳𝗶𝗰 𝗙𝗶𝘁: Our Group 48 automotive battery fits 90% of mainstream vehicles, including luxury cars, heavy-duty trucks, RVs, and SUVs, even in heavy snow conditions. It works as a direct replacement for H6/L3 battery, truck battery, ATV battery, scooter battery, and lawnmower battery 12v, meeting diverse power needs for daily commuting, off-roading, and long-distance travel
• 𝗜𝗕𝗦 & 𝗦𝘁𝗮𝗿𝘁-𝗦𝘁𝗼𝗽 𝗥𝗲𝗮𝗱𝘆: Fully compatible with IBS intelligent sensors and auto start-stop systems. CRITICAL STEP: Mandatory OBD battery registration is required post-installation to sync the car's ECU. Skipping this will trigger error lights and shorten battery life. 2 Ways to Register: 1. DIY: Use an OBD2 scanner for adaptation, then drive 20-30 mins； 2. Local Service: Code it at any auto shop

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TPE AGM Battery BCI Group 48 – Balanced Performance with Extra CCA

This TPE AGM battery offers a sweet spot between price and performance, with a rated 800-900 CCA — higher than the typical 760 from many competitors. The 120 RC ensures ample reserve power. It’s designed for vehicles with start-stop technology and recharges faster than conventional lead-acid batteries.

Dimensions are standard H6 (10.95 x 6.88 x 7.48 inches) and the terminal layout is left negative, right positive. The self-discharge rate is less than 8% after 90 days, so it holds its charge well during storage. With a leak-proof, vibration-resistant design and a price lower than many premium brands, this is a strong all-arounder for daily drivers who want a little extra starting power.

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• 【Reliable Performance】Rated at 120RC, this battery provides long service life and up to 2x the cycle life of conventional batteries, ensuring dependable power for your vehicle
• 【Powerful Specification】 Nominal Voltage 12V, Capacity 70AH, 800-900CCA, Dimensions: 10.95 inches x 6.88 inches x 7.48 inches, Terminal Layout: Left Negative, Right Positive, Fast startup even in cold weather, Self-discharging rate less than 8% after 90 days
• 【Advanced Technology】Designed for vehicles with start-stop technology, this battery efficiently powers accessories and recharges faster, making it ideal for cars and SUV
• 【Low Maintenance Design】Featuring a leak-proof and non-spillable design, this battery offers safer maintenance-free power and enhanced durability with increased vibration resistance
• 【Perfect Fit】To ensure the perfect fit, 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.our customer service team is here to help with any questions or concerns you may have. Buy with confidence

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Buyer’s Guide: What to Consider

Choosing the right Group 48 car battery involves more than just matching the size. You need to consider the climate you drive in, the electrical demands of your vehicle, and your budget. Below are the key factors that will help you make an informed decision.

• Battery Group Size and Fitment: Group 48 (also known as H6 or L3) has specific dimensions around 10.9 x 6.9 x 7.5 inches. Always measure your existing battery tray and compare terminal positions (left negative, right positive) to ensure a perfect fit. Even slight differences can cause installation issues.
• Cold Cranking Amps (CCA): CCA measures a battery's ability to start an engine in cold temperatures. For most cars, 760 CCA is sufficient, but if you live in harsh winters, look for 800+ CCA or consider lithium/solid state options that deliver 1100+ CCA. Higher CCA also helps in hot climates by reducing strain.
• Reserve Capacity (RC): RC indicates how long a battery can run essential accessories if the alternator fails. A higher RC (120 minutes or more) means you can keep lights, wipers, and electronics running longer. This is important for emergency situations or if you often use power while the engine is off.
• Battery Chemistry: AGM vs. Lithium vs. Solid State: AGM batteries are affordable, reliable, and work with most vehicles. Lithium batteries offer massive weight savings and high CCA but require compatible charging systems. Solid state batteries promise extreme longevity and cold performance at a premium price. Choose based on your budget and driving conditions.
• Vibration Resistance and Durability: If you drive on rough roads, off-road, or in a vehicle that vibrates heavily, look for AGM batteries with reinforced construction (like 18x vibration resistance). Lithium and solid state designs are inherently more resistant due to their non-liquid internal structure.
• Warranty and Brand Reputation: Most premium batteries offer 36-month warranties. Longer warranties (like 60 months for some lithium batteries) indicate confidence in longevity. Choose a brand with good customer service and readily available replacements to avoid headaches if something goes wrong.
• Maintenance and Installation: AGM and lithium batteries are maintenance-free and spill-proof, making installation safer. Some models allow mounting in multiple positions. Lithium batteries require no activation and are ready to use. Always check that your alternator and charging system are compatible, especially for lithium upgrades.

Conclusion

After reviewing nine Group 48 car batteries, it’s clear that there is no single best option for everyone. Your ideal choice depends on your vehicle’s starting requirements, your local weather, and how much you’re willing to invest upfront.

If you want a reliable AGM without spending much, the Weize Platinum AGM is a great value. For long-term ownership in extreme cold, the Lipower solid state battery stands out. Enthusiasts seeking performance and weight savings will love the TPE lithium battery. Whichever you choose, matching the fitment and specs to your car ensures years of trouble-free starts.