Preliminary Specification

1.General:

Battery with safety circuit and wires

Cell: HPL435085

PCM: Seiko IC

Configuration: 4S1P

Weight: approx. 170g

2.Electrical Specification:

Rated Capacity: 2000 mAh min, 2100 mAh typical

Nominal Voltage: 14.8V

Watt-hour rating: 30 Wh

Charging Method: Constant Current + Constant Voltage

Max. Charge Voltage [V]: 16.80 (±50Mv)

Max. Continuous Charge Current: 1000 mA

Rec. Charge cut off: by current  40mA or timer 2.5h

Max. Continuous Discharge Current: 2000 mA

Rec. Discharge cut off: 12V

Internal Impedance: tbd

Exp. Cycle Life: 400 cycles ＞ 80% of initial cap. (1C @ 20ºC)

Cell protection

Overcharge Detection: 4.35±0.025V

(0.5 to 1.5 sec. delay, resume 4.15±0.05V or @discharging current)

Overdischarge Detection: 2.30±0.05V

(0.1 to 0.2 sec. delay, resume 2.90±0.1V)

Overcurrent Detection: 2.6A to 3.3A (5 to 30msec. delay @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.