No.1 Ni-Mh
Voltage:1.2V
Cycle life:1000times
The temperature of discharge: -10~45 degree
The temperature of charge:10~45 degree
Note: The current maximum capacity is around 2100 mAh
No.2 Ni-Cd
Voltage: 1.2V
Cycle life: 500 times
The temperature of discharge: -20~60 degree
The temperature of charge: 0~45 degree
Note: Having a height ability to endure Over-charging
No.3 Sealed
Voltage: 2V
Cycle life: 200~300 times
The temperature of discharge: 0~45 degree
The temperature of charge: 0~45 degree
Note: It is the general car battery (which uses six 2V series to 12V), the water-free battery life is up to 10 years, but the volume and weight is the biggest.
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