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Factory Price 12.8V300Ah LiFePO4 Battery 5000+ Cycles for Solar Energy Storage/Off-Grid Home System
Product Overview
WBDP LK12.8-300B is our high-capacity lead-acid replacement lithium battery designed for large off-grid home solar energy storage systems. Measuring 522240218mm with net weight 26.7kg and built-in side handle for easy movement, this 12.8V 300Ah LiFePO4 pack integrates intelligent full-protection BMS. It delivers over 5000 deep cycles at 80% DOD, offering stable long-duration power supply for full-house off-grid solar, farm energy storage and large standby power projects.
Technical Specifications
Model: LK12.8-300B
Rated Parameter: 12.8V 300Ah / 3840Wh
Dimension: 522 * 240 * 218 mm
Net Weight: 26.7 kg
Built-in Smart BMS: Overcharge, over-discharge, over-current, short-circuit & temperature full protection
Charge voltage: 14.2–14.6V, Max charge current: 150A
Discharge cut-off: 10V, Max discharge current: 300A
Cycle Life: ≥5000 cycles @80% DOD
Certifications: CE, UN38.3, MSDS
Core Advantages
Ergonomic side carry handle, convenient for single-person installation and maintenance
Standard lead-acid shell size, direct plug-and-play upgrade without cabinet modification
5000+ ultra-long cycle life, 5–10 times longer than lead acid, cutting long-term replacement cost
Much lighter than same-capacity lead-acid batteries, reducing load on solar equipment racks
Maintenance-free & leak-proof LiFePO4 material, safe for indoor household storage space
Stable high-current discharge, supports full-house appliances including air conditioners, refrigerators
Complete export certifications for global sea and land customs clearance
Application Scenarios
Off-grid residential full solar storage, rural household independent power systems, farm solar power stations, large caravan & yacht energy backup, commercial off-grid standby power.