Cordless phone machine, rechargeable battery, how to use the science? How long is the service life of it?
If it has been on the charging seat, it will have an impact on life, but it doesn't affect much. Digital cordless for rechargeable lithium batteries, the machine has a charge control circuit, has been placed on the charging seat, there is no impact.
The analog cord less battery is generally nickel hydrogen battery, and its service life is 500 times charge and discharge. (about two years) can be charged at night, during the day.