Charge Dead Batteries With A Cordless Drill
You can turn any cordless drill into a makeshift battery charger in just a few minutes. It is capable of charging both rechargeable and non-rechargeable batteries, and this is one resource that everyone should have at their disposal if the SHTF. You can use this trick on any kind of battery with the exception of lithium ion packs, and smaller batteries only take a few minutes to fully charge.
