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CHARGE AND DISCHARGE TIME
(Reference for 2 rechargeable batteries only)
Battery Size Capacity(mAh) Approximate Charge
Time
AAA/Micro 180 17min
240 22min
AAA/Mignon 500 47min
1100 103min
C/Baby 1800 2 4/5hr
2000 3 1/8hr
D/Mono 2000 3 1/8hr
4000 6 1/4hr
9V/Block 100-120 10 to 14hr
Note: The charge time varies with brand/age/condition of
rechargeable battery.
The charge and discharge time for the batteries can be estimated
by the following equation:
(Battery Capacity /800mA) /80% × 60
This means that the charge time for 2 AAA size 180mAh batteries
is approximately 17 minutes (the time differs if batteries are old,
and not at optimal conditions).
Discharging time = (the remaining capacity of the batteries / discharge
current 300Ma)
If the capacity of the batteries is 2000mAh, the discharging time is
2000mAh / 300mA= 6.7hours