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The DJLBERMPW 12V 30Ah is a LiFePO4 battery with a built-in BMS rated for 30A continuous discharge and 384Wh of energy. It is rated for 4000+ deep cycles and an IP65 dust and water resistance rating, which puts it well ahead of lead-acid batteries on lifespan and weight. It suits small solar setups, trolling motors, campers and backup power where a compact 12V pack is enough. The catch is the modest 30A discharge limit, which rules out high-draw inverters and larger motors.
In stockSold by DJDCPOWER
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Lowest price we've seen: $66.49 on Nov 12 at Walmart. Tracked across 1 store since Nov 12.
Ratings are mixed at 3.8 out of 5 from 10 buyers, with too few reviews to draw firm conclusions. The built-in BMS and cycle life are the main selling points; the low discharge current is the usual concern.
This is a 12V, 30Ah lithium iron phosphate (LiFePO4) battery with 384Wh of energy. It has a built-in battery management system (BMS) that provides over-voltage, over-current, overload, short-circuit and temperature protection. The BMS also handles battery balancing and power protection.
The outer layer of the battery pack is PVC, which insulates and resists corrosion and wear. The pack is rated IP65 for dust and water resistance. It is rated for 4000+ deep cycles and a service life of up to 10 years.
To clean it, wipe it with a damp cloth. Don't use a steam pressure washer, and don't submerge the battery in water. Store it in a cool, dry place.
