Best Reverse Voltage Protection Method || How to charge a ups battery at home ?

In this youtube video, i will show you how to start a dead battery plus how you can charge a 12v ups, motorcycle, bike or car battery at home yourself . This is gonna be the simplest and easiest battery charging plus repair method without acid. Mr Electron - My channel involves Genius Homemade Electric al Project ideas and info on how to conduct brillint project experiment s . These awesome Do It Yourself Project DIY Idea s will help you better understand the physics behind it .