Having an electric shaver start slowing down on us can be most annoying. Especially when we are getting ready for a date, or are already late for work on a Monday morning.
Batteries are stores of energy that become electricity when we release it. This amount of energy is tiny when we compare it to the grid.
The primary difference between a single-cycle and a re-chargeable battery is that single-cycle ones can only take a charge once.
The race is on to discover better batteries for electronic devices. Batteries that will charge faster, discharge slower
Phone batteries are not that expensive if we know where to look. And that’s not always on the original manufacturer website, either.
Batteries are electro-chemical reactions between terminals via an electrolyte. This reaction continues for as long as the terminals connect via a suitable resistor.
Urban legend is a persistent thing. What was once true, or thought correct, is no longer valid. Yet it still pops up, as if throwing salt over our left shoulder will chase away bad luck.
We need to separate this question into two components. These aspects are first, would the battery suffer physical damage.
If you find your auto starter motor turning slower on winter mornings, you are not imagining things. Because batteries feel the cold like us.
A warranty is a conservative prediction by a manufacturer concerning how long a solar battery should last. This assumes responsible use and maintenance.