Deye SE-F5 Plus 5.1kW Lithium Battery Wall Mount

Parameter Value / Range
Nominal Voltage 51.2 V

Operating Voltage Range ~ 44.8 V to 57.6 V
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Nominal Capacity 100 Ah

Energy / Usable Energy 5.12 kWh (some sources state usable = 5.12 kWh)
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Max # in Parallel Up to 32 units in parallel, per some listings

Charge / Discharge Currents Nominal discharge: 50 A; max discharge: 75 A; nominal charge: 120 A; max charge: 150 A
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Dimensions (L×W×H) 370 × 548 × 140 mm

Weight ~ 41 kg
Cooling / Enclosure Natural cooling, IP21 rating
Warranty / Cycle Life Some sources list a 10-year warranty

Strengths & Use-Cases
The 5.12 kWh capacity is suitable for small-to-medium household backup loads (lighting, fridge, small appliances) during short outages.

The ability to parallel up to 32 units allows scaling to larger systems (if your inverter/BMS supports it).

LiFePO chemistry gives better thermal stability and longer cycle life than many older battery chemistries.

The voltage (51.2 V) is compatible with many inverters and hybrid systems designed for low-voltage battery banks.