# Does Leaving A USB Charger Plugged In Drain Your Car Battery? It Depends

> We may receive a commission on purchases made from links. More than 200 million vehicles today offer USB ports, according to ZDNet.

- **Source:** [SlashGear](https://www.slashgear.com/1931964/does-leaving-usb-charger-plugged-in-drain-car-battery-explained/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=689795b62ef7fed69087411d)
- **Published:** 2025-08-09
- **Category:** Cars
- **Tags:** #nintendo-switch #nintendo #battery #charger #depends #does #drain #leaving
- **Canonical:** http://localhost:4321/a/689795b62ef7fed69087411d

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_GearOpen's distilled summary. The full original article is published at SlashGear (source link above); GearOpen does not republish the source's full text._