Product Specifications

  • Model Number: UPL-2440F
  • Battery Type: LiFePO4
  • Nominal Voltage: 12.8V
  • Nominal Capacity: 40 amp
  • Internal Impedance: < or equal (don’t have symbol) 60m(ohm symbol) Nominal Charge Voltage: 14.6+ (or minus) 0.05V Discharge Cut-off Voltage: 9.2 + (or minus) 0.05V Max. Charge Current: 100 amps Max. Continue Discharge Current: 100 amps Charge Method: CC (constant charge)CV (constant voltage) Cycle Life: After 2,000 cycles, capacity > 80% nominal capacity
  • Weight:  34 lbs. (15.5 kg.)
  • Size (L*W*H): 12.9″ x 6.8″ x 8.5″ (327 x 172 x 216 mm)
  • Operating Temperatures
  • Operating Temperature Charge: 32-113F (0-45C)
  • Operating Temperature Discharge: 14  – 140  F (-10 – 60  C)
  • Storage Temperature: 41-95F (5-35 C)
  • Relative Humidity: 65% +(or minus) 20%

Product Features

Unit Details

  • Temperature: 77-86  F(25-30 C); Charge, 0.2C CC to 14.6V, and CV to 200mA cut off; Discharge, 0.2C DC discharge to 9.2V, 80% or more of 1st cycle capacity at 0.2C 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 0.2C and then with constant voltage at 14.6V (accuracy +(or minus) 0.05V) until charging current declines to 0.02C at 77-86  F(25-30C)
  • Standard Discharge: Discharging the cell with constant current at 0.2C till cut-off voltage at 9.2V. Temperature: 77-86  F (25-30C)
  • Initial Internal Impedance: This means AC impedance of the pack measured at 1 KHz after half fully charged. Initial Internal Impedance < (or equal)60m(ohm)
  •  Initial Capacity: The capacity means the discharge capacity of the battery, which is measured with discharge current of 0.2C with 9.2V cut-off voltage after the standard charge.
  • Initial Capacity: @95% normal capacity. Temperature: 7 -86  F(25-30  C).
  • Charge Choice
    • Standard charger: 14.6V/10A
    • Charging mode: CC/CV
    • CC: charging current <(or equal) 10A
    • CV: constant voltage 14.6V
    • Charging cut off condition <(or equal) 200mA
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