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I couldn't find an official 15 kWh Welion residential battery datasheet. Welion's current published residential model is 16 kWh, so many sellers referring to a "15 kWh Welion battery" are likely describing a 15.36–15.5 kWh (51.2 V, 300–314 Ah) battery or rounding the capacity. �
Welion Battery Europe +1
Typical specifications for a Welion 15–15.5 kWh LiFePO4 battery are:
Specification
Typical Value
Battery chemistry
LiFePO4 (Lithium Iron Phosphate)
Nominal voltage
51.2 V
Capacity
300–314 Ah
Energy
15.3–15.5 kWh
Maximum charge voltage
57.6–58.4 V
Discharge cut-off
43.2 V
Maximum charge current
200 A
Maximum discharge current
200 A
Cycle life
6,000+ cycles (typically at 80% DoD)
Communication
CAN, RS485
Protection
Smart BMS with overcharge, over-discharge, overcurrent, temperature protection
Operating