Here is an energy saving solar inverter battery charger. It harvests solar energy to replenish 12 volt inverter battery. It has auto cut off facility to stop charging when the battery attains full ...

This is the most simple and affordable solar battery charger that the hobbyist can make. It has a few drawbacks over other similar controls, but offers numerous advantages. It is intended for charging ...

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. The dark side of owning a car jump starter? Its battery can die ...