This appears to be a Sunmate SMS Lithium Iron Phosphate Battery
Specifications
- Battery Type: Lithium Iron Phosphate (LiFePO₄)
- Energy: 15.5 kWh
- Nominal Voltage: 51.2V
- Nominal Capacity: 300Ah
- Cycle Life: $\ge$6000 times at 80% depth of discharge
- Max. Continuous Charge Current: 200A
- Installation Method: Standing or Wall Mounted
- 116 kg Weight (Gross weight):