XX3759 Series

XX3759 series have a combination of high energy density, super light and ultra thin. It’s a perfect power source solution for mobile phone, PDA ,GPS and other handheld 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	59.0 ± 1.0 37.0 ± 1.0	2.32 ± 0.04 1.45 ± 0.04
Cycle Life	>=500 Cycles (@0.2C discharge, 23°C)
Self-discharge	Residual capacity > 90% (@25°C±2°C, 30 days)

Model	Max Thickness		Capacity (mAh)^*1		Impedance ^*2 Max (mohm)	Cell Weight ^*3
Model	mm	inch	Minimum	Typical	Impedance ^*2 Max (mohm)	Gram	Ounce
303759	3.20	0.126	670	700	70	15.0	0.53
403759	4.00	0.157	900	940	60	18.0	0.63
423759	4.20	0.165	930	960	200	20.0	0.71
503759	5.05	0.199	1150	1200	55	26.0	0.92
553759	5.50	0.217	1280	1350	50	30.0	1.06
623759	6.40	0.252	1500	1560	55	35.0	1.23
823759	8.20	0.323	1800	1850	60	40.0	1.41

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:503759