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The Mighty Max ML5-12 is a pack of six 12V 5AH sealed lead acid rechargeable batteries, UL certified for safety and reliability. Designed for high discharge rates and wide operating temperatures, these maintenance-free batteries resist shocks and vibrations, making them ideal for professional-grade UPS systems and power tools. Compact and versatile, they come with a full one-year warranty to keep your critical equipment powered with confidence.





| ASIN | B0883XBH2G |
| Amperage | 5 A |
| Antenna Location | Power Tool |
| Battery Capacity | 5 amp_hours |
| Battery Cell Composition | Lead Acid |
| Battery Cell Type | Lead Acid |
| Battery Weight | 21 pounds |
| Best Sellers Rank | #5,842 in Health & Household ( See Top 100 in Health & Household ) #5 in 12V Batteries |
| Brand | Mighty Max Battery |
| Compatible Phone Models | No Phone Models |
| Customer Reviews | 4.1 out of 5 stars 17 Reviews |
| Item Dimensions | 3.58 x 2.76 x 4.21 inches |
| Item Weight | 21 pounds |
| Manufacturer | Mighty Max Battery |
| Model Name | ML5-12MP660279213331301 |
| Model Number | ML5-12MP660279213331301 |
| Number of Batteries | 6 12V batteries required. |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| Unit Count | 6 Count |
| Voltage | 12 volts |
| Warranty Description | 1 Year Manufacturers Warranty |
G**Y
Perfect replacement in my Powerware online UPS
The battery swap was painless - just done, so can't comment on longevity, but other Mighty Max batteries have worked well for me.
T**M
Failed within two months in APC SMT2200RM2U
Bough to refurb an aging battery pack in one of two UPS units I have for a server rack. Showed 100% charge, passed forced self-test, and failed during the next scheduled test. Ended up buying better batteries from another supplier online (not via Amazon). Recycled these batteries, and remembered to do a review now that I've had to replaced the batteries in the other unit. Guess that was $102.80 wasted.
W**M
Not suitable for UPS
These batteries come up as a direct replacement for the batteries in my UPS. These are suitable for an alarm system, but not the high capacity and discharge requirements of a UPS. Each battery weighs 70% of the weight of my originals, have 55% of the maximum discharge capacity in amps, and have a much smaller “F1” terminal. These should not be sold in multi packs as UPS battery replacements. Unfortunately the return policy on these is also poor and I’ll get pennies back on what I spent.
B**S
Bad choice
Bought a six pack of these last year...only 3 left running...very dissapointed....i only use them for deer cameras in a dry box with solar chargers...and charge them up when drained....but there's no saving 3 already....other quality brands run 3-4 years for me normally but not these. Go with something else!
C**H
Did exactly what they were built to do
Great!
Trustpilot
5 days ago
3 weeks ago