Mighty Max Battery MM-H4L Start and Stop Car BCI Group Size 140 Positive Terminal on Left Side [+ -] 12V 50 AH, 80RC, 570 CCA Rechargeable AGM Car Battery
Condition: New
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This item is eligible for return within 30 days of receipt
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Thursday, Aug 7
Features
- Fast Starting Power: This 12V 50Ah 570 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 80-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-H4 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 8.00 x 6.75 x 7.44 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the left and the negative on the right.
- 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
Size: Standard
Product Dimensions: 8"D x 6.75"W x 7.44"H
Automotive Fit Type: Universal Fit
Manufacturer: Mighty Max Battery
UPC:
Manufacturer: Mighty Max Battery
Brand: Mighty Max Battery
Model: MM-H4
Item Weight: 35.7 pounds
Product Dimensions: 8 x 6.75 x 7.44 inches
Country of Origin: Vietnam
Item model number: MM-H4
Batteries: 1 12V batteries required. (included)
Manufacturer Part Number: MM-H4
Wattage: 600 watts
Date First Available: May 7, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Aug 7
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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Top Amazon Reviews
The dimensions are correct but the +/- terminals are on opposite sides. It also pops up that it will fit the 2017 Bolt EV, and this is unfortunately not the first time Amazon says something will fit one of our vehicles and it does not. Very disappointed with the return process and the experience as a whole, the return label provided "requires postage", so you are expected to pay the entire return shipping which for this weight and being a "hazardous item" is expensive, I had to file a claim with Amazon as the seller did not respond attempt to contact about this. This does not seem like a standard Group 140R as all of the 140R batteries I have looked up have the terminals on the opposite side. The seller needs to update their listing to clearly show the terminal orientation, the replacement I ordered and many other listings show this clearly. Unfortunately in looking closer at the negative reviews, there is a history of this, this could easily be avoided by the seller being more clear in the listing and Amazon failing in the sense that it clearly says it will fit my vehicle when it will not. 6-23-25 - After chatting with Amazon different times about this return and Amazon claiming they would refund the shipping as well, they have not. I have been a Prime member for years and have never had issues resolving any problems that were generally few and far between with Amazon orders. This has also resulted in lost trust with Amazon and leaves me questioning if continuing Prime membership is worth it and their "A-to-Z Guarantee" has been a complete failure in this case.
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Reviewed in the United States on June 10, 2025 by Matt
This battery said it was compatible with a 2021 Chevy Spark but the ports are not only backwards…the battery arrived damaged and a terminal eroded off. I tried to return it, they said if I paid for shipping, I paid for shipping and then it was rejected due to being damaged when I received it the same way I sent it back 😡😡😡
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Reviewed in the United States on June 29, 2025 by DD
The battery is not fitted my 2021 Prius, and when I tried to return it, the seller made it like yours fault the battery didn’t fit ( the negative and positive on the reverse). It says it will fit my car when I try to buy it.
Reviewed in the United States on May 28, 2025 by Thomas
Did not fit even though stated “guaranteed to fit” with exact make/model of vehicle. Otherwise it would have been a great deal if it could be used
Reviewed in the United States on July 4, 2025 by Nancy Condell