Items

Parameter

Battery model

MC-4815HL

Nominal voltage

48V

Minimum capacity

Charging voltage

54.6V

Discharging cut-off voltage

39V

Standard charging

0.2C /54.6V

Max charging

1.0C /54.6V

Standard discharging

1C/39V

Max discharging

continuous discharge

1.0C/39V

non-continuous discharge

2.0C/39V

Operating temperature

Charging: 0°C ~ 45°C

Discharging: -20°C ~60°C

Storage (At 50% SOC and specified temp,
recoverable capacity in % vs time )

-10ºC~25ºC

(12 months ≥85% )

-10ºC ~45ºC

(6 months ≥85% )

-10ºC~55ºC

(1 month ≥90% )

20±5ºC is the recommended storage temperature

Visual Inspection

There should not be any remarkable scratches, cracks,
bolts, cauterization, deformations, swelling, leakage
and so on the surface of the cell.