Preliminary Specification
1.General:
Battery with safety circuit and wires
Cell: IFR26650-8S1P 2400mAh 25.6V
PCM: Seiko IC is available
NTC: 10 kOhm or 100 kOhm (available)
Configuration: 8S1P
Weight: approx. 656g
2.Electrical Specification:
Rated Capacity: 2350 mAh min, 2400 mAh typical
Nominal Voltage: 25.6V
Watt-hour rating: 61.5 Wh
Charging Method: Constant Current + Constant Voltage
Max. Charge Voltage [V]: 32 (±50MV)
Max. Continuous Charge Current: 2400 mA
Rec. Charge cut off: by current 48mA or timer 2.5h
Max. Continuous Discharge Current: 2400 mA
Rec. Discharge cut off: 24.0V
Internal Impedance: tbd
Exp. Cycle Life: 400 cycles ＞ 80% of initial cap. (1C at 20ºC)
Cell protection
Overcharge Detection: 34.8±0.025V
(0.5 to 1.5 sec. delay, resume 33.6±0.05V or at discharging current)
Overdischarge Detection: 24±0.05V
(0.1 to 0.2 sec. delay, resume 24.0±0.1V)
Overcurrent Detection: 28A to 35A (5 to 30msec. delay at discharge)
3.Ambient Conditions:
Temperature Range
-Charge: 0 to +45ºC
-Discharge: -20 to 60ºC
-Charge Retention/Storage[%]: 1 year at -20 to +25ºC
3 month at -20 to +45ºC
Humidity: 65±20%RH
4.Environmental and Safety:
Please follow Hypercell Handling and Safety Precautions for Li ion and Li polymer
The cell is approved according UL 1642.
This battery meets the requirements of Battery Directives, and the battery parts are RoHS-Compliant.
