XX2040 Series

XX2040 series have a combination of high energy density, super light and ultra thin. It’s a perfect power source solution for bluetooth headset ,MP3,wireless mouse and other low power consumption device .

Specifications

Nominal voltage	3.7V	Cut-off voltage	3.0V
Standard charge method	Charging the cell initially with constant current at 0.5C and then with constant voltage at 4.2V till charge current < 0.05C
Max. charge current	1C	Max. discharge current	1C
Standard charge	0.5C × 3hrs	Rapid charge	1C × 2hrs
Operating temperature		°C	°F
Operating temperature	Charging Discharging Storage	10°C ~ 45°C -20°C ~ 60°C -20°C ~ 45°C	32°F ~ 113°F -4°F ~ 140°F -4°F ~ 113°F
Cell dimension		mm	inch
Cell dimension	Length Width	40.0 ± 1.0 20.0 ± 1.0	1.57 ± 0.04 0.79 ± 0.04
Cycle Life	>=500 Cycles (@0.2C discharge, 23°C)
Self-discharge	Residual capacity > 90% (@25°C±2°C, 30 days)

Model	UL CERT	Max Thickness		Capacity (mAh)^*1		Impedance ^*2 Max (mohm)	Cell Weight ^*3
Model	UL CERT	mm	inch	Minimum	Typical	Impedance ^*2 Max (mohm)	Gram	Ounce
382040	Yes	3.80	0.150	250	260	150	6.0	0.21
402040	No	4.20	0.165	280	300	150	7.0	0.25
502040	Yes	5.10	0.201	400	450	150	9.0	0.32
622040	No	6.20	0.244	420	470	150	10.0	0.35

Remark:

^*1 @ 0.2C discharge, 23°C

^*2 Impedance is measured at AC 1KHz after Standard Charge.

^*3 Cell weight is the approximate value for reference.

Cell Dimension Drawing (unit: mm)

Model:402040