400A Lithium-Ion Battery

Product Specifications

  • Model Number: UPL48400F
  • Battery Type: LiFePO4
  • Nominal Voltage: 51.2V
  • Nominal Capacity: 400Ah
  • Internal Impedance: ≤20mΩ
  • Nominal Charge Voltage: 58.4±0.4V
  • Discharge Cut-off Voltage: 40V
  • Max. Charge Current: 250A
  • Max. Continue Discharge Current: 400A
  • Charge Method: CC (constant charge) | CV (constant voltage)
  • Cycle Life: After 2,000 cycles, capacity > 80% nominal capacity
  • Weight:  502 lbs. (228kg.)
  • Size (L*W*H): 28.3.″ x 15.8″ x 21.7″ (721 x 403 x 551.5 mm)

Operating Temperatures

  • Operating Temperature Charge: 32-113F (0-45 C)
  • Operating Temperature Discharge: 4  – 140  F (0-20-60  C)
  • Storage Temperature: 14-35F (-10 – 35 C)
  • Relative Humidity: 65% +(or minus) 20%

Product Features

Unit Details

Cycle Life
Temperature: 77-86  F(25-30 C); Charge, 1C CC to 58.4V, and CV to 200mA cut off; Discharge, 1C DC discharge to 40.0V, 80% or more of 1st cycle capacity at 1C discharge of operation, cycles quantity must not less than 2,000 cycles.
Remarks: Rest 10 min. after charge and discharge
Standard Charge: Charging the cell initially with constant current at 1C and then with constant voltage at 58.4V (accuracy +(or minus) 0.4V) until charging current declines to 1C at 77-86  F(25-30C)
Standard Discharge: Discharging the cell with constant current at 1C till cut-off voltage at 40.0V. Temperature: 77-86  F (25-30C)
Initial Internal Impedance: This means AC impedance of the pack measured at 1KHz after half fully charged. Initial Internal Impedance < (or equal)25m(ohm)
Initial Capacity: The capacity means the discharge capacity of the battery, which is measured with discharge current of 1C with 40.0V cut-off voltage after the standard charge.
Initial Capacity: @95% normal capacity. Temperature: 77 -86  F(25-30  C).
Charge Choice
Standard charger: 58.4V/100A
Charging mode: CC/CV
CC: charging current <(or equal) 150A
CV: constant voltage 58.4V
Charging cut off condition <(or equal) 200mA

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