Tricks extend battery life
Battery as a current source, it is important we consider that our batteries to be durable. level of durability is how we maintain, as I will explain how to extend battery life for cylindrical flashlight.
if a battery is discharged what is done of course we dislodged the batteries, then we are basking in the sun. Or if the first way you can not, use two-way to the rather complicated aga.
first prepare the nails, then salt
two holes in the battery with nails
The third input of salt into the hole. then dried
good luck
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