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1.Nominal Capacity
Typ:260mAh@ 0.5C
Discharge Min250mAh
0.5Crate,3.0V cut-off
2.Nominal Voltage3.7V
3.MAX Charge Voltage4.2V
4.Discharge Cut-Off Voltage3.0V
5 Charge current
Standard charge: 0.2C
Rapid charge: 0.5C
6 Standard charging
0.2C CC (constant current) charge to4.2V, then 4.2V CV(constant voltage)
charge till charge current decline to≤0.02C
7 Discharge Current
Standard Discharge: 0.5C
Max Discharge: 1C
8 Storage temperature
1 month : -10~45℃ 6 month : -10~35℃
9 Weight
Approx:6.0g
10 Operating temperature
Charging :0~+45 ℃,RH≤85%RH Discharge :-10~+60 ℃,RH≤85%
<0℃Charge shall
be prohibited.
11
Cell Voltage
3.80~ 4.00V As of shipment
1.Visual inspection
visual inspection
Not allowing any visual defects
which will affect the electronic
characteristics, such as leakage
and damage.
2.Battery Dimension
Digital Calipers
Length :32.0mm Max
Width :25.5mm Max
Thickness :4.0mm Max
3.Initial Impedance
Internal resistance measured at AC
1KHz after 50-60% charge
4
Rated Capacity
The capacity means the discharge
capacity of the cell, which is measured
with discharge current of 0.5C with 3.0V
cut-off voltage after the standard
charge.
5 Cycle Life
Test condition:
Charge:0.2C to 4.2V
Discharge:0.5C to 3.0V
When the discharge capacity reduced to
80% of rated
capacity, Stop testing
The cycle times is not less than 300
6..High Temperature
A charged battery is placed in an oven
for 2 hours at 55ºC±2ºC, then discharged
at a 0.5C current to the termination
voltage.
Discharge 90 percent of the original capacity.
7. Low Temperature
A charged battery is placed in a thermal
chamber for 4 hours at -10ºC±2ºC; then
discharged at 0.5C to the termination
voltage.
Discharge 60 percent of the original capacity.
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