Motorhome Solar Panel Kits to Charge 1 Battery. This is typically a single leisure battery or even a pair of leisure batteries as long as they are connected together on the same circuit. This is then described as a battery bank. With a motorhome solar panel kit to charge one battery the advantage is an easy install with only one battery to connect to. All the power form the panel will end up in the battery of choice and be maintained all year round. There is a choice of regulators and monitors available with every kit.