Datasheet
4.1.2 Ambient conditions:
Temperature +20±5
Humidity +65%±20%
4.2 Testing Tools
4.2.1 Voltage meter:
0.5 level or higher as required in IEC51/IEC485. Internal impedance exceeds 10KΩ/V.
4.2.2 Current meter:
0.5 level or higher as required in IEC51/IEC485. Internal impedance should be less than
0.01Ω/V(including wires).
4-2.3. Micrometer caliper:
With precision of 0.02mm.
4-2.4. Internal impedance meter:
Alternating current of 1000HZ, connector measuring equipment with sin wave of 4.
4-2.5: Impedance loaded meter:
Value of impedance is with +5% error allowed (including external wires).
4.2.6 Incubators Accuracy ±2
4.3 Test methods and benchmarks
Item Test Method Benchmark
1.Appearance:
eyeballing
batteries shall be free from any
stains; scratches or deformations,
which may reduce the commercial
value when visually inspected
2.Size: caliper measurement。
The size shall comply with the
specified size as the attached
drawing
3.Insulate
impedance
measured with a Megger overpack and
battery electrode between the degree of
insulation。
outer sleeve shall exceed 10
MΩ。
4.Weight using disk-scale measurement。 approximate 25.5 g。
5.Charge Voltage
Following a period of discharge at
0.2CmA down to a terminal voltage of
1.0V, standard charge, the cell or battery
shall be checked at 5 minutes before
finish charging。
The voltage shall be less than 1.6
V。
6.Open circuit
voltage: (O.C.V.)
Following a standard charge period, the
open circuit voltage of the cell or battery
shall be checked within 1 hour.。
The O.C.V. shall exceed 1.25 V
7.Closed circuit
voltage: (C.C.V.)
Following a standard charge period, the
closed circuit voltage of the cell or battery
shall be checked with a 0.86 Ω per cell
load within 1 hour。
The C.C.V. shall exceed 1.2 V。
8.Internal
impedance
Following a standard charge period, the
internal impedance of the cell or battery
shall be checked at 1000Hz within 1 hour
The internal impedance shall not
be more than 35mΩ。
9.Capacity
Following a standard charge period, the
cell shall be stored for a period of 1 hour.
The capacity shall be equal or more than
minimum capacity when discharged at
0.2C mA down to a terminal voltage of
The capacity is greater than or
equal to the minimum capacity。






