Here's the finished product first. A brand new 1:43 scale Grave Digger, converted from 2 AAA to 1s LiPo batteries. This is a super simple project that you can do it almost any kid's toy that runs on 2x AA/AAA batteries. Each AA is 1.5v, so toys that run on two are usually running at 3v. The 1s LiPo ... By: PoppaFixIt