12.8V 50Ah Lithium LiFePo4 Battery Customizable Maintenance Free Solar Batteries For Solar Energy Storage

WBDP LK12.8-50B is a direct lead-acid replacement lithium battery designed for off-grid solar energy storage. Equipped with an integrated portable lifting handle, it measures 229*138*208mm and weighs only 6.1kg. Built-in smart all-protection BMS, it delivers ultra-long deep cycle life and stable outdoor performance for home solar systems, RVs and remote off-grid power projects.

• Model: LK12.8-50B
• Rating: 12.8V 50Ah / 640Wh
• Size: 229*138*208mm | Net Weight: 6.1kg
• Built-in BMS: Overcharge, over-discharge, over-current, short-circuit & temperature protection
• Charge voltage: 14.2–14.6V, Max charge current: 25A
• Discharge cut-off: 10V, Max discharge current: 50A
• Cycle life: ≥6000 cycles @80% DOD
• Certifications: CE, UN38.3, MSDS

1. Built-in carry handle for easy one-person installation and transport
2. Much lighter than equivalent lead-acid batteries, reducing installation load
3. Standard cabinet size, plug-and-play upgrade without equipment modification
4. High temperature resistance, stable performance under outdoor sunlight
5. Maintenance-free, no acid leakage, long service life to cut replacement costs
6. Full global transport certifications for sea & land delivery

Household off-grid solar storage, solar power stations, RV & marine backup power, rural remote off-grid power supply, large solar street light projects.