Mighty Max Battery MM-H6 Start and Stop Car BCI Group Size 48 12V 70 AH, 120RC, 760 CCA Rechargeable AGM Car Battery
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, May 5
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Style: Group 48
Features
- 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 youre powered to the max.
Brand: Mighty Max Battery
Vehicle Service Type: Golf Cart
Size: Group 48
Voltage: 12 Volts
Battery Cell Composition: Lead Acid
Item Weight: 12 Pounds
Product Dimensions: 10.94"D x 6.88"W x 7.48"H
Number Of Cells: 6
Resistance: 144 Ohms
Terminal: Stud Terminal
Compatible with Vehicle Type: Golf Cart
Voltage: 12 Volts
Number Of Cells: 6
Resistance: 144 Ohms
Terminal: Stud Terminal
Battery Capacity: 70 Amp Hours
Automotive Fit Type: Universal Fit
Size: Group 48
Item Weight: 12 Pounds
Item Dimensions D x W x H: 10.94"D x 6.88"W x 7.48"H
Battery Type: Lead Acid
Brand Name: Mighty Max Battery
Manufacturer Part Number: MM-H6
Model Number: MM-H6
Manufacturer: Mighty Max Battery
UPC: 850054073426
Item Type Name: Battery
Manufacturer Warranty Description: 1 Year Manufacturers Warranty
Included Components: Battery
Unit Count: 1.0 Count
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, May 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Financing
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- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Style: Group 35
The cost of this MM-G35 battery was a big factor in my decision to purchase it, as it costs literally half of what some of the big name brands do! I am a great fan of AGM batteries. I’ve used the “yellow top” brand in my heavily modified 2002 Silverado one ton diesel truck since it was just a year old. My first set (Diesel engines require two batteries) lasted an unbelievable 14 years! AGM batteries typically have a much greater service life than lead-acid batteries. I also use an AGM battery in my heavily modified 2005 Jeep TJ. So when my wife’s 2021 Subaru Ascent Touring was ready to a new battery, it was a no-brainer decision that I was going to purchase another AGM battery. The battery was delivered within 36 hours of my purchasing it with zero damage to neither the battery, nor even to the outer packaging. It also arrived fully charged and ready to install. The fit was perfect and installation took less than 10 minutes. I’m very happy to be done with my wife’s old lead acid battery and I hope she has many, many years of trouble free service from her new Mighty-Max battery. 😀 Also, simply by registering your purchase, via the included QR code, the manufacturer’s warranty will be extended an additional three months, 👍 I will also be adding a photo of the installed battery to this review very soon, as the warranty period will be increased by an additional three months by the manufacturer, just for doing so. 👍 I’m very happy with this purchase and I highly recommend this AGM battery!!! 😀
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Reviewed in the United States on February 15, 2026 by Kevin C.
Style: Group 31
A Group 31 AGM battery is appealing because it gives you more capacity and strong starting performance, which matters a lot if the vehicle has added accessories, audio, lighting, or other electrical demand. On paper, this looks like a strong value if you want solid battery specs without jumping straight to very high-priced options. Good fit for people who need more than a basic replacement battery. Pros: ✅ Strong capacity and CCA specs ✅ Good for higher electrical demand setups ✅ AGM style is appealing for many builds ✅ Nice value compared to some premium brands Cons: ⚠️ Battery fitment and tray compatibility matter ⚠️ Real-world value depends on use case and charging setup Overall, this looks like a strong battery option for the right application.
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Reviewed in the United States on April 3, 2026 by Zane
Style: Group 35
If zero stars were available, that would be the right rating. Do not get tempted to save money and be stranded with no car for work or be able to pick up your kids. 1) Car would not start one morning after 4 months with battery. Had it jumped roadside (1.5 hour wait) and drove it for 30 minutes. Parked to drop off kids. It would not start again. Jumped it again with roadside (1 hr wait) and drove to shop. Uber to work. Shop tested, battery will not hold charge. Rent car to pick up kids and get to work until this is figured out. 2) There is no 'warranty' from Mighty Max. Just offer to replace after you have tested. Run that scenario: battery is dead and won't charge. They want you to have print out from retailer so, get it jumped to drive it to retailer. They say, this is used/refurbished battery. Stickers don't match. Only read out test they can give is Charge and Retest because the thing is dead./zero charge. Car won't start to drive home. Retailer won't let you leave it in lot. Get it jumped to drive home. Send results to Mighty Max. They say: please charge and test again. No. Car won't start again. Can't drive it. Mighty Max just says, we will send replacement no refund. Who wants this again?. Terrible con. Don't buy. My out of pocket for saving $100 = $250. Mighty Max should be ashamed.
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Reviewed in the United States on March 18, 2026 by Jasmine
Style: Group 35
Great replacement battery for my SUV. Shipping was fast and the battery was secured tightly in the box. It has plenty of cranking power (650 CCA) and works perfectly with my vehicle's start-stop technology. Much more affordable than the name brands but performs just as well so far.
Reviewed in the United States on April 18, 2026 by shang chieh liao
Style: Group 140
I own a 2022 Hyundai ioniq phev. It was extremely difficult to find this battery outside of the dealership which was 3-4x more expensive. But this one fit perfectly, including the specific location and polarity of the terminals, and the necessary hydrogen gas release valve since the battery is in the trunk compartment. The terminal diameter is the only thing that didn't fit perfectly as they are just a bit too small. But it's easy to find terminal shims at a car parts store. It was a great price and so much cheaper to install than from your dealer.
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Reviewed in the United States on February 27, 2026 by Amazon Customer
Style: Group 24
New, This is the 2nd one we have ordered for on the farm, very impressed and they have better and longer warranty than any other batteries. I would only buy Die Hard before but I am so far sold on the quality of this battery. Very fast shipping, came sooner than expected. Thank you
Reviewed in the United States on April 24, 2026 by David
Style: Group 140
Perfect fit in 2020 Ioniq PHEV. Replaced Hyundai 37110-G2410 which is discontinued. Most bad review are because Amazon lists it as fitting replacement for battery with positive on the right terminal. The Ioniq actually needs the harder to find positive terminal on left. Installation took 5 minutes. Dealer was going to charge $600 for battery and install. 4 stars because newly installed and no idea about long term reliability.
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Reviewed in the United States on July 22, 2025 by Joseph Reading
Style: Group 151R
I drive a Honda CR-Z and I’m really glad I chose this battery. It’s been a great help, especially when it comes to saving money. I use my car for work, so having a reliable and affordable battery was important. At local stores, replacement batteries were going for around $300, which seems to be the new normal. Finding this option online was a huge relief—it saved me a lot compared to buying in-store. So far, it’s been working well, and I’m happy with the purchase. Definitely a good option if you’re trying to save money without sacrificing reliability.
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Reviewed in the United States on April 18, 2026 by Adrian