Specification

Lithium Polymer Battery Pack 501318 55mAh 3.7V with Protection Circuit Module (PCM)

This data sheet describes the requirements and properties of lithium polymer rechargeable

battery pack manufactured by XPOWER.

Mechanical Characteristics

Cell : 501318

PCM :Yes

NTC : No

Configuration : 1S1P

Weight : appr 9g

Connector :JST PHR-2

Dimension:Thickness 5.0 * Width 13* Length 20mm (Including PCB)

Electrical Specification

Rated Capacity: 55mAh

Nominal Voltage :3.7V

Watt Hour : 0.203Wh

Max Operating Voltage Range : 2.75V~4.2V

Max Charge Voltage: 4.2V±50mV

Max Charge Current :27.5mA (0.5C)

Standard Charge Current: 11mA (0.2C)

Max Continuous Discharge Current: 55mA (1C)

Standard Discharge Current: 11mA(0.2C)

Discharge Cut-off Voltage: 2.75V

Initial Cell Impedance: ≤150mΩ

Expected Cycle Life (0.5C|0.5C, 23±5℃):300 cycles ≥ 80% Capacity

Cell Protection

Over Charge Detection: 4.280±50mV (0.08~0.2sec delay, release 4.08±50mV)

Over Discharge Detection: 2.4V±100mV (0.04~0.12sec delay, release 3V±100mV)

Over Current Detection: 3.2A to 4.5A

Short Circuit Protection: Available (Delay time: 500µs)

Working and Storage Condition

Charge Temperature Range:10 to +45℃

Discharge Temperature Range: -20 to +60℃

Storage Temperature Range: <1 month: -20℃~+45℃, >3 months: -10℃~+45℃

Recommend Storage Temperature: 15℃~35℃

Humidity: 85%~90% RH Max.