Battery chargers; Chargers for batteries; Chargers for electric batteries; Battery packs; Battery packs for electric bicycles; Auxiliary battery packs; Smartphone battery chargers; Solar-powered battery chargers; Renewable battery system to provide backup power; Battery chargers for tablet computers, laptop computers, mobile phones, camping equipment, car battery charging, lighting and handheld electronic devices; Battery packs for tablet computers, laptop computers, mobile phones, camping eq...