Battery adaptors; Battery cables; Battery chargers; Battery packs; Charging systems for battery operated appliances; Electric battery chargers; Power supply devices for battery chargers; Uninterruptible power supply apparatus (battery); Electric power supply units; Electrical power supply apparatus (other than generators); Portable power supply apparatus (batteries); Power supply apparatus (batteries); Power supply devices (batteries); Power supply units (batteries); Uninterruptable power supply apparatus; Uninterruptable power supply instruments; Reserve electrical power supply apparatus (other than generators)