9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, namely, battery chargers, wireless chargers for battery-operated equipment, power supplies, batteries; wireless and induction chargers and rechargers for battery-operated electronic device; Car battery chargers, power supply cables and connectors; Adapters, namely, power supply adapters, electric adapters, adapter plugs, and interchangeable power adapter tips for use with power supply and connector cables; battery life enhancers and wireless repeaters for chargers; Accessories for use with portable and hand-held electronic devices, mobile phones, tablet computers and hand-held computers, namely, protective cases, audio speakers, earphones and headphones, memory modules, transformers, optical filters