i have no idea so plzzz give idea about this....
step one, go to the search box. step two, type 'solar battery charger' step three, click one of the listings that shows a well documented, photographed, possibly even videographed instructable. step four, do what the instructable says. Step five. win.
Select as Best AnswerUndo Best Answer
Step six, ??? Step seven, Profit!
I think china has the market cornered on profiting from solar battery chargers.