PANASONIC Li-ion 17500 Cylindrical Rechargeable Cell: 3.7V 830mAh (A size, 3.07Wh) (0.25)

Original brand and replacement also avalibale on request.

Parameters

Cell Model	LI-ION 17500
Voltage	Nominal Voltage: 3.7V Charge Voltage: 4.2V±0.05V Discharge Cut off Voltage: 2.5V or 2.75V optional
Capacity (0.2C Discharge)	Nominal Capacity: 830 mAh Minimum Capacity: 800mAh
Standard Charge (25°C±2°C)	CC/CV Current: 0.3C (240mA) Voltage: 4.20V End of current: 50mA
Charge Current	0°C ≤ T ≤ 25°C, 0.3C (240mA) 25°C < T ≤ 50°C, 0.5C (400mA) recommended
Standard Discharge	CC Current: 0.2C (160mA) End of Voltage: 2.5V
Pulse Discharge current	≤ 2.4A (SOC 80%), 5 sec, 25°C±2°C max.
Continuous Discharge Current	-20°C < T ≤ 5°C, 0.3C (240mA) max. 5°C <T ≤ 60°C, 1.0C(800mA) max.
Cycle Life (25°C±2°C, 0.5C Charge/1C Discharge)	≥ 80% Capacity after 500 cycles
Temperature	Charge: 0 to +45ºC Discharge: -20 to +60ºC Storage: 1 day: -40ºC 1 month: -20 to + 60ºC 3 month: -20 to + 45ºC 12 month: -20 to + 20ºC
Dimension (DxH)	17.0mm(0.67″) x50.0mm(1.97″) * tolerance ±0.2mm
Weight	22.7g (0.8 Oz) * tolerance±2g