your next step is to check the batteries. Solar lights run off rechargeable batteries, and these can often be replaced. Professor Krishnamoorthy told me that 'you may be able to replace the ...

Modern solar lights don't have disposable batteries. They have rechargeable lithium-ion packs that you juice up by leaving the flashlight in the sun. This alone makes them worth picking up.

This often means battery-powered items ... Regarding weight, the B2000 is both light and compact for its capacity. We tested solar charging on a cloudless, winter day in Northeast, PA.