Floor Scrubber / Sweeper Lithium LiFePo4 Battery 12V 20Ah High Power Battery

WBDP LK12.8-40B is a drop-in lithium replacement for 12V lead-acid batteries, specially designed for off-grid solar energy storage. It measures 195*130*154mm with light weight of only 3.14kg, built-in intelligent BMS for full safety protection. With long deep cycle life and stable discharge performance, it is widely used in household solar systems, solar street light projects and rural off-grid power supply.

• Model: LK12.8-40B
• Nominal: 12.8V 40Ah / 512Wh
• Dimension: 195*130*154mm, Net Weight: 3.14kg
• Built-in smart BMS: overcharge, over-discharge, over-current, short-circuit & temperature protection
• Charge voltage: 14.2–14.6V, Max charge current: 20A
• Discharge cut-off: 10V, Max discharge current: 40A
• Cycle life: ≥6000 cycles @80% DOD
• Certifications: CE, UN38.3, MSDS

1. Lightweight design, much lighter than same-capacity lead-acid battery, easy to transport and install
2. Standard size for direct lead-acid replacement, no cabinet modification required
3. Excellent high-temperature resistance, stable performance under outdoor sunlight
4. Ultra-long cycle life, effectively lowering long-term replacement cost for solar projects
5. Maintenance-free, no acid leakage or corrosion risks
6. Complete export certifications, supports global sea & land shipment

Off-grid home solar storage, solar street lights, garden solar power systems, rural remote power supply, small RV & boat energy backup.