Which of the following energy transformations best describes the operation of a solar powered battery charger?
Solar Energy Charger?
yes, but very slowly. not nearly fast enough to keep up with battery draw when they’re in use.
preferably find a local supplier who can assess your requirements. Definitly recomend a visit to CAT if you are in UK
there are whole ranges of devices available and may ways of using them, eg to top up 12V car batteries, then use a car adapter (lighter socket) to run your appliance
Solar battery charger?
you can try this wensite, it has different kinds of solar charger, the price is about $25 and free shipping,