Emergency ACpower supply, uninterruptible power supply (UPS) (alat untuk menyimpan arus listrik), DCregulator power supply (adaptor), automatic voltage control stabilizer (alat pengatur tegangan listrik otomatis), automatic battery charger (alat pengisi accu otomatis), transformer, inverter, emergency lamp (lampu darurat), ACvoltage regulator, step up & down, excessive high & low voltage protected (alat kontrol tegangan listrik), battery (accu), starter-starter