2 Packs 12.8V 50Ah LiFePO4 Battery:12.8V voltage with 50 amp hour large capacity, providing stable and efficient power output, using lithium iron phosphate (LiFePO4) technology, more than 4000 times deep cycle , more than 5 times the life of traditional lead-acid batteries, only 1/3 the weight of lead-acid batteries, portable and easy to install, suitable for all kinds of outdoor scenarios, Ideal choice of camping equipment, electric scooters, fishing boat motors.

Intelligent BMS Protection System: High-quality lithium iron phosphate prismatic cells are used in this 12V 50Ah Li-ion battery portfolio, and the built-in intelligent BMS protection system prevents overcharging/over-discharging/short-circuiting/overheating and ensures stable operation in extreme temperatures.UL Listed and safe for indoor home installations or extreme outdoor environments to protect your valuable equipment.

Expandable Series/Parallel Connection：Build 48V systems (4 in series) or expand capacity (4 in parallel) but it is recommended not to exceed 4. Supports a wide range of devices such as solar systems, RVs, marine power, etc. Compatible with mainstream inverters and chargers.

Operates flawlessly from -40°C to 60°C (-40°F to 140°F) with ABA casing offering impact resistance. Passes rigorous vibration/IP67 tests, ensuring reliability in marine applications, polar expeditions, and alpine regions. Solves cold-weather failure issues of conventional batteries.

Cost-Effective Power Solution:Featuring premium LiFePO4 cells delivering 4000+ cycles at 100% DOD and 15,000 cycles at 60% DOD .Maintains stable voltage through deep discharges, ideal for home backup and solar energy storage.12.8V 50AH LiFePO4 batteries are designed solely for energy storage. Do not use them for starting devices, golf carts, or jacks.