A solar charger employs solar energy to supply electricity to devices or charge batteries. They are generally portable.
Solar chargers Battery are small solar panels that collect solar energy from the sun. Charge
your USB devices directly or store the power in a portable power pack
These solar charger batteries range from units
with stands, mountable units, and panels that plug into car cigarette
lighters, all are small and designed to maintain batteries that have no
load. They are not meant to re-charge drained batteries.