Warranty Period Like New Batteries:
12V (≤20Ah): 2 years · 12V (>20Ah): 2 years
24V (≥25Ah) / 36V (≥50Ah) / 48V (all) / 51.2V (≥30Ah): 3 years

The like new batteries: These are open-box returns due to sizing errors. They may show slight cosmetic wear but function perfectly. Buy with confidence.

The very good batteries: These have been tested to ensure full functionality and normal performance.
(1) Cosmetic imperfections may be present, such as visible signs of prior use, light wear, minor scratches, or small areas of label damage, which do not affect product information identification.
(2) Non-personal markings or identifiers may also be present.
These cosmetic conditions do not affect performance, reliability, or normal use.

May be missing accessories (e.g., user manual, bolts). Please contact us directly with any questions prior to purchase. If bolts are missing upon arrival, please contact us and we will ship them to you.

One 12V 400Ah Battery to Be Your Final Solution

-Equal to the energy of 4*12V 100Ah LiFePO4 batteries
-5120Wh Usable Energy, 3200W Load Power
-250A BMS, 20+ Protection Secure Battery's Health
-Max.  250A Continuous Dis/Charge Current, 500A(5s) of High Continuous Discharge Current
-EV Grade-A Cells, 4000+ cycles @100%DOD
-Max 81.92kWh Usable Energy (4P4S)
-40% Lighter than 4* 12V 100Ah Lead-acid Batteries in parallel
-61Wh/lbs High Energy Density
-Suitable for solar systems/RVs/marine/heavy-duty truck/off-grid and home storage
-IP65 Waterproof & Dustproof
-4 Charging Ways (LiFePO4 charger, Solar, Generator, Alternator)
-Free Maintenance, Lower Maintenance Fee-Fast Delivery & Excellent Customer Service
-DO NOT use as Starter Battery