battery adapters; battery boxes; battery chargers for cell phones; battery packs; chargers for electric batteries; electric storage batteries; ignition batteries; inverters [electricity]; lithium batteries; lithium ion batteries; mobile power supply [rechargeable batteries]; photovoltaic cells and modules; portable external batteries; portable power supplies [rechargeable batteries]; portable solar panels for generating electricity; power adaptors; solar cells; solar panel installations for generating electricity; solar-powered rechargeable batteries; wireless chargers