Your Jeep Grand Cherokee is a beast on and off the road, but even the toughest SUV can let you down when its battery starts to fade. Whether you’re dealing with a sluggish start on a cold morning, a dead auxiliary battery that kills your stop-start system, or a key fob that only works from three feet away, the right battery can solve all those headaches. Choosing the wrong one, though, can leave you stranded or wasting money on a part that doesn’t fit.
In this guide, we’ve rounded up the best battery options for your Grand Cherokee, covering everything from the main starting battery under the hood to the tiny coin cell inside your key fob. You’ll also find battery hold downs and a current sensor to keep your electrical system in top shape. We break down each product’s features, pros, cons, and ideal use case so you can pick the perfect match for your driving needs and budget.
| Pick | Product | Best For | Pros | Cons | Check Price |
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| Best Overall | UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA, AGM Maintenance Free Rec… | Auxiliary battery for start-stop systems |
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| Best Budget | Key Fob Replacement Batteries for Jeep Dodge Ram Chrysler Remote Fobik (2-P… | Key fob battery replacement for older G… |
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| Best Value | Mighty Max Battery MM-H7 Start and Stop Car BCI Group Size 94R 12V 80AH, 14… | Main starting battery for daily drivers |
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| Best Premium | Weize Platinum AGM Battery BCI Group 94R – 12v 80ah H7 Size 94R Automotive … | Long warranty and cycle life for freque… |
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| Best Heavy-Duty | Key Fob Battery Replacement for Jeep, Dodge, and Chrysler Vehicles – CR2032… | Key fob battery for 2014-2022 Grand Che… |
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| Best for DIY | Pinochi Key fob Battery Replacement for Jeep Dodge Chrysler Cherokee Challe… | Key fob battery with included pry tool |
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| Best Compact | Lucrum Key Fob Battery Replacement for Jeep, 2PCs CR2032 Batteries for Car … | Extended-life key fob battery for 2005-… |
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| Best Beginner | YUANCHINB Battery Current Sensor Compatible with Dodge Durango 2017-2020, J… | Battery current sensor replacement for … |
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| Best Pro Pick | ARONOVA Battery Hold Down With 18-8 Stainless Steel Bolt Kit Compatible wit… | Battery hold down for 2001-2004 Grand C… |
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| Best Alternative | Dorman 00592 Battery Hold Down Replacement Compatible with Select Jeep Models | Battery hold down for multiple Jeep models |
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UPLUS AUX14-UP Auxiliary Battery – Reliable Backup Power for Start-Stop Systems
Brand: UPLUS NEW TECHNOLOGY BATTERY
A solid, high-quality auxiliary battery that restores stop-start function and handles cold winters without fuss.
If your Grand Cherokee is equipped with a start-stop system, you know how frustrating it can be when the auxiliary battery dies and the feature stops working. The UPLUS AUX14-UP is a direct replacement for the AUX14 group size, designed to handle the constant cycling of modern start-stop technology. With 200 CCA and a 14Ah capacity, it provides enough juice to keep your electronics running and your engine restarting smoothly, even in freezing conditions down to -30°C. The AGM construction is maintenance-free and spill-proof, so you can install it and forget about it.
What sets UPLUS apart is their use of 99.99% pure primary lead instead of recycled lead. This means faster charging, no toxic fumes, and better overall efficiency. The battery is also vibration-resistant, which matters when you’re tackling rough trails. At just under 10 pounds, it’s easy to handle during installation. Just make sure your vehicle calls for the AUX14 group – it fits many 2014-2021 Grand Cherokee models with the 3.6L engine.
- High 200 CCA for reliable restart
- Pure lead construction for efficiency
- Excellent cold-weather performance
- Maintenance-free AGM design
- Only fits specific AUX14 group size
- Not for use as main starting battery
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- APPLICATIONS: The AUX14-UP Auxiliary Car battery is a high-performance unit engineered to provide backup power or supplement the starter battery for enhanced performance in challenging conditions.
- SPECIFICATION: UPLUS AUX14-A battery is a 12V 14AH(20hr) 200A CCA AGM (Maintenance Free) Battery. Dimensions: 5.91L × 3.43W × 5.71H(inches). Weight:9.91 lbs. Polarity: [+,-].
- SAFE AND TRUSTWORTHY: All Uplus batteries use 99.99% pure primary lead – it's a long-standing feature. It means they charge better, don't release toxic fumes and are more efficient & reliable than batteries using recycled lead.
- EXCELLENT STABILITY: Excellent Leak and Vibration Resistant. It has strong low-temperature starting ability and can easily start the vehicle at -30℃.
- LOCAL AFTER-SALES SUPPORT: 36 Months Warranty – 60 day refund window.
Deluxe Batteries Key Fob 2-Pack – Simple DIY Replacement for Most Jeep Fobs
Brand: Deluxe Batteries
An affordable, reliable way to revive your key fob range without a trip to the dealership.
Nothing kills your morning commute like a key fob that barely unlocks the doors from arm’s length. The Deluxe Batteries 2-pack is designed for a wide range of Jeep, Dodge, Ram, and Chrysler fobik remotes, including many Grand Cherokee models from 2005 to 2021. Each pack comes with two CR2032 batteries and a handy compatibility guide in the product images, so you can confirm fit before buying. The batteries are OEM-quality lithium cells that deliver consistent power for up to a year or more.
Replacing the battery takes only a few minutes with a small flathead screwdriver or a pry tool – no programming required. The manufacturer includes a step-by-step guide in the description to walk you through the process. Just note that this pack is not compatible with 2023-2024 Grand Cherokee fobs or some 2021-2022 models, so double-check the guide. For older Grand Cherokees and most other Jeeps, this is an affordable, dealer-cost-saving solution.
- Two batteries included
- Covers many Jeep/Dodge models
- Easy DIY installation
- Compatibility guide provided
- Not compatible with 2023+ Grand Cherokee fobs
- No pry tool included
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- **To confirm compatibility please use the picture guide located in the product images**
- Compatible with Most ✔ Jeep ✔ Dodge ✔ Ram ✔ Chrysler ✔ Fiat and ✔ Mopar ✔ Stellantis key fob remotes and fobiks, however please confirm your fit using our compatibility guide.
- Not compatible with ✘ 19-24 Ram 1500 Pickup, ✘ 20-24 Ram 2500/3500/4500 Pickup, ✘ 23-24 Grand Cherokee (and some 21-22 fobs), ✘ 18-24 Wrangler, ✘ Gladiator, ✘ Wagoneer, ✘ Dodge Neon, ✘ Dodge Intrepid, ✘ Fiat Spider
- Avoid expensive dealer service charges and easily replace your key fob battery yourself – only takes a few minutes – no programming required – easy do-it-yourself guide to changing your key fob battery available in the description
- Includes (2) original premium Deluxe CR2032 3V batteries. Does not include actual key fob
Mighty Max Battery MM-H7 Group 94R – Powerful AGM for Daily Driving
Brand: Mighty Max Battery
A dependable, high-performance AGM battery that delivers strong starts and long accessory run time for everyday driving.
When your Grand Cherokee’s main battery starts struggling on cold mornings, the Mighty Max MM-H7 is a strong replacement candidate. This Group 94R (H7) battery delivers 850 CCA and 80Ah of capacity, with a 140-minute reserve capacity that keeps your accessories running longer if the alternator fails. The AGM design is completely sealed and spill-proof, so you can mount it in any position without worrying about acid leaks – perfect for off-road angles or tight engine bays.
Mighty Max builds this battery with rugged internal construction to resist shock and vibration, which is critical if you take your Jeep on bumpy trails. It also has excellent deep discharge recovery, meaning it can handle being drained and recharged better than a standard flooded battery. The dimensions (12.4 x 6.89 x 7.48 inches) match the OEM 94R group size, so it drops right into most 2014-2023 Grand Cherokees with the 3.6L or 5.7L engine. Just verify terminal orientation – left negative, right positive – before ordering.
- 850 CCA for reliable cold starts
- 140-minute reserve capacity
- Vibration-resistant construction
- Sealed AGM, no maintenance
- Heavy at around 50 pounds
- Not ideal for extreme deep-cycle use
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- Fast Starting Power: This 12V 80Ah 850 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 140-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-H7 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 12.50 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.
Weize Platinum AGM 94R – Long-Lasting Power with 36-Month Warranty
Brand: WEIZE
A premium AGM battery with outstanding warranty and longevity, ideal for drivers who want set-and-forget reliability.
If you want a main battery that offers exceptional longevity and a rock-solid warranty, the Weize Platinum AGM 94R is worth serious consideration. It matches the OEM Group 94R size with the correct terminal layout (left negative, right positive) and provides 850 CCA and 80Ah capacity. The reserve capacity is also 140 minutes, giving you plenty of buffer if you leave your lights on or run the radio while parked. Weize claims up to twice the cycle life of conventional flooded batteries, which means it can handle more charge/discharge cycles before degrading.
The battery operates in a wide temperature range from -22°F to 158°F, so it’s equally at home in a Canadian winter or an Arizona summer. Self-discharge is less than 8% after 90 days of storage, making it a good choice if your Grand Cherokee sits for weeks at a time. The 36-month warranty is one of the longest in this category, giving you peace of mind. Just double-check the dimensions (12.4 x 6.89 x 7.48 inches) to ensure a perfect fit in your vehicle’s battery tray.
- 36-month warranty
- Up to 2x cycle life of conventional batteries
- Wide operating temperature range
- Low self-discharge
- Slightly more expensive than entry-level AGMs
- Heavy (approx. 50 lbs)
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- ✅Batter dimensions: 12.4" 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.
- 140RC rating： Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries. Nominal Voltage: 12V, Capacity: 80 Ah, CCA: 850A, Self Discharge: <8% after 90 days storage, Operating Temperature Range: -22°F~158°F, Acceptable Charging Current: 0～24 A, Charging Voltage: 14.4~15.0 V, Terminal:
- 80AH capacity: Delivers consistent power over time, Cycles more, and recharges faster than conventional batteries.
- 850 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 140RC 80AH 850CCA 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 designed for Stop/Start applications that have higher electrical accessory loads or performance vehicles that require a higher CCA starting battery with improved cyclic abilityand are not suitable for deep-cycle use in solar projects or marine applications.
Key Battery Outlet CR2032 2-Pack – OEM-Quality for Modern Grand Cherokee Fobs
Brand: Key Battery Outlet
A simple, cost-effective way to restore full key fob range and reliability on modern Grand Cherokees.
For 2014-2022 Grand Cherokee key fobs, the Key Battery Outlet CR2032 2-pack is a perfect match. These OEM-standard lithium batteries are designed to fit the fobik remote with no programming required – just pop the old one out and slide the new one in. The pack includes two batteries, so you have a spare for your second fob or for another device like a garage door opener. The manufacturer provides a detailed video guide to walk you through the replacement process, which takes less than five minutes.
These batteries are engineered for consistent power output, reducing the risk of intermittent fob performance or sudden failure. They also have a long shelf life, so the spare will still be good when you need it. Compatibility extends beyond the Grand Cherokee to the Compass, Patriot, Dodge Caliber, Durango, and Chrysler PT Cruiser. Just ensure your fob uses a CR2032 (most do) – check the product images for a fitment guide if you’re unsure.
- Two OEM-quality batteries
- Video guide included
- Wide compatibility across Jeep/Dodge models
- Long-lasting power
- No pry tool included
- Not for older fobs that use CR2025
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- Compatible with Multiple Models – Designed for Jeep Compass, Patriot, Grand Cherokee, Dodge Caliber, Durango, and Chrysler PT Cruiser key fobs, ensuring a precise fit and reliable performance.
- Premium CR2032 Battery Pack – Includes two high-quality, OEM-standard lithium batteries to power your vehicle's key fob with dependable efficiency.
- EASY DIY REPLACEMENT VIDEO – Comes with a detailed video guide, no programming required. Simply follow the instructions to replace the old battery and restore full key fob functionality in minutes.
- Reliable & Durable Performance – Engineered for longevity, these batteries provide consistent power output, reducing the risk of key fob malfunctions.
- Cost-Effective Solution – Avoid expensive dealership replacements by keeping this affordable 2-pack on hand for future battery needs.
Pinochi Key Fob Battery – Versatile Fit with Free Pry Tool
Brand: Pinochi
A convenient all-in-one kit with a pry tool and video guide, perfect for DIY key fob battery swaps on older Grand Cherokees.
Pinochi’s CR2032 key fob battery pack comes with a handy opening/pry tool and an installation video, making it one of the most user-friendly options for Jeep owners. It’s compatible with a huge range of vehicles: Grand Cherokee (2005-2021), Cherokee (2014-2022), Compass (2007-2024), Wrangler (2007-2017), and many Dodge, Chrysler, and Ram models. The battery itself is the same OEM-grade CR2032 used in original fobik remotes, so you get the same performance as the factory battery.
The included pry tool helps you open the fob without scratching the plastic, which is a nice touch. The installation video is clear and straightforward. This pack is not compatible with 2022+ Grand Cherokee fobs or newer Wrangler/Gladiator models, so check the product image compatibility guide before ordering. For most pre-2022 Grand Cherokees, this is an excellent value that saves you a trip to the dealer.
- Includes pry tool
- Very wide vehicle compatibility
- OEM-grade CR2032 battery
- Installation video provided
- Not for 2022+ Grand Cherokee fobs
- Only two batteries per pack
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- Please check product image to confirm compatibility.(Opening/Pry Tool + Installation video included)
- COMPATIBLE WITH JEEP / CHRYSLER / DODGE SMART KEY REMOTES – Cherokee (2014-2022), Compass (2007-2024), Grand Cherokee (2005-2021), Liberty (2005-2012), Liberty (2005-2012), Patriot (2007-2017), Renegade (2015-2023), Wrangler (2007-2017) / 200 (2011-2017), 300 (2005-2023), Aspen (2007-2009), Pacifica (2004-2024), Pacifica Hybrid (2017-2024), PT Cruiser (2006-2010), Sebring (2006-2010), Town & Country (2001-2016), Voyager (2020-2024)
- Avenger (2008-2014), Caliber (2007-2012), Caravan (2004-2020), Challenger (2008-2023), Charger (2006-2023), Dakota (2004-2011), Dart (2013-2016), Durango (2004-2024), Grand Caravan (2004-2020), Hornet (2023-2024), Magnum (2005-2008), Nitro (2007-2012), Ram (2006-2010), Viper (2013-2017)
- ORIGINAL OEM CR2032 BATTERY – Same batteries as provided by OEM original manufacturer in Fobik and Fobik Smart Key Remotes (all button types). ( Works with FCC ID : M3N5WY783X ; Q4-53T ; GQ4-53T ; GQ453T ; M3N32297100 ; IYZ-C01C ;M3N-40821302.)
- SIMPLIFIES BATTERY REPLACEMENT – No need to schedule battery replacement service, no need to reprogram remote control.The included tool helps to open the remote control and remove the batteries without damaging the remote control case.Tested under Strict Quality Control Standards. Long Battery Life and Long Lasting Power.
Lucrum CR2032 2-Pack – 240mAh Extended Lifespan for Jeep Fobs
Brand: Lucrum
A slightly higher-capacity CR2032 that keeps your key fob working longer, ideal for those who want maximum battery life.
Lucrum’s CR2032 batteries boast a 240mAh capacity, which is slightly higher than standard CR2032s (typically 220-230mAh). That extra capacity can translate to longer battery life in your Grand Cherokee’s key fob, meaning fewer replacements over time. The batteries are engineered for consistent voltage output, so your fob won’t start acting flaky as the battery ages. They fit a wide range of Jeep models including Grand Cherokee (2005-2022), Cherokee (2014-2022), Compass (2007-2024), and Renegade (2015-2023).
These coin cells are also useful for other small electronics like pet collars, food scales, and medical devices, so the spare battery won’t go to waste. The pack includes two batteries with a standard CR2032 form factor. Lucrum doesn’t include a pry tool, but you likely already have a small screwdriver. For Grand Cherokee owners with fobs from 2005 to 2022, this is a reliable, long-lasting battery option.
- 240mAh capacity for longer life
- Wide Jeep compatibility
- Stable voltage output
- Versatile for other devices
- No pry tool included
- Not compatible with 2023+ fobs
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- Extended Lifespan: Our CR 2032 battery for key fob is engineered for longevity, offering a reliable 240mAh power source for your key fob and more, ensuring your devices run longer.
- Precise Compatibility: Ideal for Jeep models, this CR 2032, 3 volt coin battery matches OEM specifications for Cherokee (2014-2022), Compass (2007-2024), Grand Cherokee (2005-2022), Renegade (2015-2023) and other models listed in the description
- Peak Performance: Experience consistent power with our 2032 battery CR2032 3V, crafted to keep your key fob and small electronics operating smoothly in any situation
- Versatile Utility: Not just for cars, our CR 2032 battery powers a range of devices, from food scales to pet collars, offering the CR2032 3v battery's versatility you can depend on
- DIY Replacement: Save on service fees with our easy-to-install for Jeep Cherokee key fob battery, simplifying DIY replacements for a hassle-free experience
YUANCHINB Battery Current Sensor – Accurate Monitoring for 2017-2019 Grand Cherokee
Brand: YUANCHINB
A cost-effective fix for battery management issues on late-model Grand Cherokees, easy to install and reliable.
If your Grand Cherokee (2017-2019) is throwing battery or charging system warning lights, a faulty battery current sensor could be the culprit. The YUANCHINB sensor replaces OEM part numbers 68318616AC, 68318616AB, and others. It measures the electrical current flowing in and out of the battery and sends real-time data to the vehicle’s PCM, helping manage charging voltage and battery health. A failing sensor can cause overcharging, undercharging, or false low battery warnings.
Installation is straightforward: disconnect the negative cable, remove the old sensor bolts, swap in the new one, and reconnect. The sensor is made from premium materials to meet OEM standards and fits not only the Grand Cherokee but also the 2017-2020 Durango, 2017-2024 Pacifica, and 2017-2024 Ram 1500/2500/3500. If you’ve already replaced your battery and still have electrical gremlins, this sensor is a smart diagnostic step before spending on a new alternator.
- Direct OEM replacement
- Wide fitment across Chrysler/Dodge/Ram
- Restores accurate battery monitoring
- Easy DIY installation
- Only for specific model years
- Not a battery itself, just a sensor
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- 【Fitment】Compatible with Dodge Durango (2017-2020); Ram 1500 (2017-2018), Ram 1500 Classic (2019-2024), Ram 2500 / 3500 (2017-2018); Jeep Compass (2017-2024), Jeep Grand Cherokee (2017-2019); Chrysler Pacifica (2017-2024), Chrysler Voyager (2020-2024).
- 【Replace Part Number】Replaces OE Part Numbers: 68318616AC, 68318616AB, 68318616AA, 68322481AA, 68322481AB. Direct replacement for the original battery current sensor.
- 【Function】This battery current sensor features premium materials, meets strict OEM standards. It can measure electrical current flowing into and out of the battery, and provide real-time data to the vehicle’s control systems, enabling accurate monitoring of the battery’s charge state, health state and overall energy balance.
- 【Installation steps】1. Disconnect the negative cable and loosen the bolts with a bolt wrench. 2. Use a bolt wrench to remove the bolts on the other side of the wiring. 3. Remove the old battery sensor, replace with the new battery sensor, and reconnect the cables and bolts.
- 【Buy With Confidence】Our battery current sensors have been extensively tested during manufacturing to guarantee performance. And we provide 12-month warranty, if you have any questions please feel free to contact us!
ARONOVA Battery Hold Down – Secure Fit for 2001-2004 Grand Cherokee
Brand: ARONOVA
A simple, durable hold down that keeps your battery secure and vibration-free, perfect for older Grand Cherokees.
A loose battery can vibrate and damage its internal plates, leading to premature failure. The ARONOVA battery hold down is designed for 2001-2004 Jeep Grand Cherokee, as well as 2004-2006 Wrangler and 2002-2007 Liberty. It replaces OEM part 55136959AC and includes a 304 stainless steel mounting flange bolt and a premium rubber base clamp. The stainless steel bolt resists corrosion, which is important in salt-belt winters, and the rubber clamp holds the battery firmly without cracking.
Installation takes just a few minutes – remove the old hold down, position the new base clamp, tighten the bolt, and you’re done. The kit is a direct replacement, so no modifications are needed. If your current hold down is rusted, stripped, or missing, this ARONOVA unit will keep your battery securely in place, reducing vibration and extending battery life. It’s a small part that makes a big difference.
- Stainless steel bolt resists rust
- Direct OEM replacement
- Includes rubber base clamp
- Easy installation
- Only fits specific model years
- Not adjustable for aftermarket battery sizes
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- Durable Construction:304 stainless steel mounting flange bolt and a premium rubber base clamp
- Fitment:Compatible for 2004-2006 Jeep Wrangler,2001-2004 Jeep Grand Cherokee,2002-2007 Jeep Liberty
- OEM Part Number:55136959AC,a good replacement for the old or broken one
- Replacement:This battery hold down kit replaces your original equipment to keep your battery properly secured and maintain its longevity.
- NOTE: Please carefully check your vehicle type with our fitment, and please compare our part pictures with your old part to avoid the wrong purchase
Dorman 00592 Battery Hold Down – Trusted Replacement for Select Jeep Models
Brand: Dorman
A dependable, budget-friendly battery hold down from a reputable brand that keeps your battery secure and extends its life.
Dorman is a well-known name in automotive replacement parts, and their 00592 battery hold down is designed to fit a range of Jeep models, including the Grand Cherokee (specific years – check fitment). It replaces a worn, stripped, or missing OEM hold down to keep your battery properly secured. The hold down is built with a sturdy steel bracket and a threaded rod, with a plastic wing nut for easy tightening. It’s designed to reduce battery movement, which helps prevent internal damage and ensures maximum battery life.
One of the best things about Dorman parts is their quality control – each component is backed by a team of engineers and inspectors in the United States. The hold down is straightforward to install, though you may need to adjust the J-hook length to fit your specific battery tray. Dorman provides a fitment guide to confirm compatibility. If you need a reliable replacement that won’t break the bank, this is a solid choice for many Grand Cherokee model years.
- Trusted Dorman quality
- Reduces battery vibration
- Easy to install
- Affordable price
- Check fitment for specific model year
- Plastic wing nut may not be as durable as metal
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- Secure replacement – this battery hold down replaces a worn, stripped or missing original equipment hold down
- Maintains battery – reducing battery movement helps ensure maximum battery life
- Check fit – to see if you have correct hold down, check application fit, size or style
- Trustworthy quality – backed by team of engineers and inspectors in the United States
- Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Buyer’s Guide: What to Consider
Choosing the right battery for your Jeep Grand Cherokee isn’t just about picking the one with the highest CCA or the lowest price. You need to consider the battery’s type, size, and intended role – whether it’s the main starting battery under the hood, the auxiliary battery that powers the stop-start system, or the tiny coin cell inside your key fob. Even the hold down bracket and current sensor can affect performance. Here are the key factors to keep in mind when shopping for your Grand Cherokee’s electrical needs.
- Battery Type: AGM vs Flooded vs Lithium: For the main starting battery, AGM (Absorbent Glass Mat) is the top choice for modern Grand Cherokees because it's spill-proof, handles vibration, and supports start-stop systems. Flooded batteries are cheaper but require maintenance and are less durable. Lithium batteries are lighter but much more expensive and may need a special charger. Stick with AGM for best all-around performance.
- Group Size and Fitment: Your Grand Cherokee likely uses a Group 94R (H7) for the main battery. Always check your owner's manual or the existing battery's label. The wrong size may not fit the tray or have reversed terminals. For auxiliary batteries, the AUX14 group is common. Measure your battery tray dimensions and terminal orientation (left negative/right positive) before purchasing.
- Cold Cranking Amps (CCA): CCA measures the battery's ability to start the engine in cold weather. For the Grand Cherokee's V6 or V8, 800-850 CCA is recommended. Higher CCA is better if you live in a cold climate. The auxiliary battery only needs around 200 CCA for its restart function.
- Reserve Capacity (RC): RC tells you how long the battery can run essential electronics if the alternator fails. A 140-minute RC is standard for Group 94R batteries. If you often run accessories with the engine off, look for a higher RC. This is less critical for auxiliary or key fob batteries.
- Key Fob Battery Compatibility: Most Jeep key fobs use a CR2032 coin cell, but some older models use CR2025. Check your fob's battery compartment or the owner's manual. Also note that 2023+ Grand Cherokee fobs use a different battery type (often CR2450) and are not compatible with CR2032 packs. Always use the compatibility guide provided by the seller.
- Battery Hold Down and Sensor Needs: A loose battery can fail prematurely due to vibration. If your hold down is rusted or missing, replace it with a model that fits your Grand Cherokee's year. A faulty battery current sensor (common on 2017-2019 models) can cause charging issues even with a new battery. If you see battery warning lights, consider replacing the sensor.
- Warranty and Brand Reputation: AGM batteries from reputable brands like Weize, Mighty Max, and UPLUS offer warranties from 1 to 3 years. Longer warranties often indicate higher quality. For key fob batteries, even cheap packs work, but OEM-grade cells from Deluxe or Lucrum tend to last longer. Dorman and ARONOVA are trusted for hold downs.
Conclusion
Your Jeep Grand Cherokee deserves a battery that matches its rugged capability. Whether you need a reliable main AGM battery like the Mighty Max or Weize Platinum, a dedicated auxiliary battery such as the UPLUS AUX14-UP, or a simple key fob battery from Deluxe or Lucrum, each product we’ve covered serves a specific purpose. Don’t overlook the small parts – a battery hold down from ARONOVA or Dorman keeps your main battery secure, and the YUANCHINB current sensor can solve mysterious electrical issues.
To recap: for the main starting battery, go with a Group 94R AGM with at least 850 CCA and a warranty you trust. For the auxiliary battery, choose the UPLUS if you have a start-stop system. For key fobs, pick a CR2032 pack that matches your model year – and grab one with a pry tool if you don’t already have one. And if your battery is rattling around or throwing warning lights, a hold down or sensor is a cheap fix. Invest in the right components, and your Grand Cherokee will start strong every time, whether you’re heading to work or off the beaten path.