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EV charging glossary

Charging rates

Trickle charger

Trickle charging is an informal term for charging at very low power. In EV discussions it is sometimes used for domestic-socket charging, although that charging method is more accurately described by its charging mode and power. "Trickle charger" also has a separate established meaning in low-voltage battery maintenance, where a charger supplies a small current to maintain a battery. For traction-battery charging, use terms such as Mode 2, Mode 3 and the actual kW rating where technical precision matters.

Related terms

Mode 2 charging

Slow charging

Charging rate
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