POWER BANK 20KWH (B20K)

BigBox-20000

BigBox is a battery energy storage system that stores solar energy for peace of mind in the event of a power outage. It provides a reliable, autonomous energy source that keeps your devices running.

Electrical specifications

• Nominal voltage (V): 51.2
• Nominal capacity (Ah): 400
• Operating voltage range (Vdc): 42-58.1
• Internal resistance (mΩ) ≤ 32 at 50% state of charge (SOC)
• Peak current (A): 450 A at 2 s
• Efficiency > 95%
• Self-discharge < 3% per month
• Short-circuit protection (µs): 200-600
• Battery capacity (kWh): 20.48

Mechanical specifications

• Dimensions: (L*W*H) 1200*900*400 mm
• Weight (kg) 125 ± 2
• Housing material: Sheet metal