"There is always batteries available when something runs out." Shopper shares simple money-saving hack to never buy batteries ...

So when I discovered this hack that turns your AAA batteries into AA batteries, it not only blew my mind, but saved me from making emergency battery runs on numerous occasions. What is the Hack ...

The original battery housing is similarly ... full week without running out of power. The hack could become popular with chiptuners who often knock AA cells out of their handhelds during the ...

Hit your parts bin and set aside an afternoon to build a wind turbine that recharges batteries. You can see two AA batteries hanging off the side of this small generator. You only need a few parts ...