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17 · EV System
EV and hybrid
4 part types · what each does and where to compare prices
- 01Charging cable or adapterCheck the connector standard, such as J1772, CCS, or NACS, and the current rating.
- 0212-volt auxiliary batteryPowers the computers that switch the high-voltage system on. A weak one causes no-start messages.
- 03Inverter or battery coolant pumpElectric pumps keep the inverter and battery pack cool.
- 04Hybrid battery packThe high-voltage pack. Reconditioned and new packs are sold; compare warranties closely.
Before you order
- High-voltage parts should only be serviced by someone trained to work on them, with the system powered down as the maker describes.
- Many hybrids and EVs still use ordinary 12-volt batteries, filters, and brakes.