In article ,
justice080 wrote:

What is the best way to store Lithium Ion power tools battery?
Lithium-ion power tools battery can hold a charge for many months.

My experience is that battery "powered" tools, possibly with the
exception of screwdrivers, are under powered, and the eventual,
replacement battery is about the same price as the tool itself.
Essentially, battery operated tools are really battery consuming devices.
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- Billy

E pluribus unum