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Does your phone battery run down more if you charge it when it's not almost dead?
Wiki User
∙ 14y ago
IF the battery is the Nickle-Cadmium [Ni-Cad] type, then they are known for "developing a memory" for how much charge is installed, and they need to be "run down" almost fully before recharging.
If not, and you recharge when they are only slightly run down, then "they remember" that, and that's all the power they will deliver! Ni-Cads work best if "deeply" cycled [discharge/charge].
Thus, for Ni-Cads, it is recommended that you not "top off" when they are only barely discharged. Use Ni-Cads until they are almost fully discharged before recharging.
A far as I know, no other batteries suffer from this problem.
Wiki User
∙ 14y ago
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