MyDiyAddiction This time I show you how $20 builds a simple battery charger that can recharge just about any battery you have, including Alkaline, Ni-Cd, Ni-MH, and Li-ion cells — correctly and effectively. No expensive parts, this is a budget-friendly, beginner-safe build using easy-to-find components. Perfect for DIYers, preppers, tinkerers, and anyone tired of throwing away “dead” batteries. If you’re into battery hacking, solar charging, recycling electronics, or simple DIY projects, this one’s for you. Click the picture for the video….
