- 充电器 chōngdiànqì chargerbattery charger; a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it
- 家用电器 jiāyòngdiànqì home appliancehousehold electrical appliance; domestic electrical equipment; abbreviated as [[家电|家電|jia1 dian4]]
- 继电器 jìdiànqì relayAn electrical component used in automatic control systems and communication equipment that connects or breaks a circuit when variables like voltage, current, or temperature reach a preset level.
- 松下电器 sōngxiàdiànqì PanasonicPanasonic Corporation; formerly known as Matsushita Electric Industrial Co.
- 变电器 biàndiànqì transformerAn electrical device that uses electromagnetic induction to change the voltage of alternating current from one level to another; same as [[变压器|變壓器|bian4 ya1 qi4]]
- 验电器 yàndiànqì electroscopeInstrument used to detect the presence and type of electric charge on an object.
- 通用电器 tōngyòngdiànqì General ElectricGeneral Electric (GE)
- 通用电器公司 tōngyòngdiànqìgōngsī General ElectricGeneral Electric (GE); a major American multinational conglomerate founded in 1892.
- 配电器 pèidiànqì distributordistributor in an internal combustion engine
- 电器器材 diànqìqìcái electrical equipmentelectrical appliances and materials; electrical goods and hardware
- 容电器 róngdiànqì capacitor, condenserA component used in an electrical circuit to store energy; also known as a [[电容|電容|dian4 rong2]] or [[电容器|電容器|dian4 rong2 qi4]]
- 检电器 jiǎndiànqì rheoscopean instrument used for detecting the presence and direction of an electric current
- 国美电器 guóměidiànqì GOME Electrical AppliancesGOME Electrical Appliances, a major Chinese retail chain founded in Beijing in 1987
- 苏宁电器 sūníngdiànqì Suning ApplianceSuning Appliance; a major Chinese retailer of electrical household appliances headquartered in Nanjing