subject: Ni-Cd rechargeable battery which is now out of the market has been gradually [print this page] rechargeable battery life of nickel-cadmium rechargeable batteries generally longer than the 40%. These outstanding features make the Ni-MH rechargeable battery has now become one of the mainstream of digital camera batteries. Major drawback is the depth of discharge, overcharge and over discharge, at 100% discharge depth of up to 500 times more than under the charge and discharge cycle. So this battery charger to automatically power off, or easily damage the internal battery, so can not use ordinary nickel-cadmium battery charger. In addition, the NiMH rechargeable battery volume and weight compared with the lithium ion battery, some big, is not conducive to compact digital cameras.
Ni-Cd rechargeable battery which is now out of the market has been gradually