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There shall be no such defect like scratch, flaw, crack, rust, discoloration
and leakage which may affect commercial value of the CELL.
5. APPEARANCES
6.1
Standard Charge
The "Standard Charge" means charging the CELL with initial charge
o
current 20mA and with a constant voltage 4.2V at +25 C for 6.5hours
6.2
Rapid Charge
The "Rapid Charge" means charging the CELL with initial charge current
o
50mA and with a constant voltage 4.2V at +25 C for 2.6hours
6.3
Nominal Capacity
The nominal capacity is the initial discharge capacity of the CELL, which is
o
measured at discharge current 20mA with 2.75 cut-off at +25 C within 1
hour after the Standard Charge.
6.4
Cycle Life
Each cycle has each phase of charge current 20mA and discharge current
o
20mA with 2.75V cut-off voltage at +25 C.
Capacity after 499 cycles and plus one day, measured under the same
conditions stated in 6.3.and the capacity is over 95mAh.
6.5
Temperature Dependence of Capacity
The capacity varies under various temperatures.
Capacity at each temperature, measured with discharge current 20mA with
o
2.75V cut-off voltage at +25 C within 1 hour after the standard charge are as
follows:
6. CHARACTERISTICS
o
o
o
o
Temperature
-20 C 0 C +20 C +50 C
Capacity Retention
75% 90% 100% 105%
o
Percentage is an index as the capacity at +20 C is 100%.
6.6
Storage Characteristics
o
Capacity after 30days storage period at +25 C after the Standard Charge,
measured under the same condition stated in 6.3
o
Remaining Capacity (after +25 C storage ) is no less than 110mA
EEMB Li-ion Products Abstracts Edition V Nov. 2000