- Reconditioning Battery How To Fix br br What Will You Learn?br br Before you start reconditioning your dead batteries you need to know what types of batteries can be reconditioned. br In this guide you're going to learn how to recondition the following types of batteries.br br Lead acid car batterybr Li-Ion Laptop batterybr Ni-Cd Old Style Rechargable batterybr Ni-MH Newer Rechargeable Batteriesbr br Testing The Batteriesbr br Once you know what types of batteries can be reconditioned the next step is to test the battery to make sure it can be reconditioned.br br In the guide we teach you how to test the battery using a cheap multi-meter or a battery analyzer.