trickle charge

American  

noun

Electricity.

1. a continuous, slow charge supplied to a storage battery to keep it in a fully charged state.

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Etymology

Origin of trickle charge

First recorded in 1955–60

Example Sentences

When driving, we kept the battery between the front seats for easy access and to trickle charge it off the car’s cigarette lighter output.

From The Verge • Sep. 10, 2022

You can wire the Google Nest Doorbell to your doorbell wiring, but it will only trickle charge the battery, not power the doorbell camera directly.

From The Verge • Feb. 18, 2022

A trickle charge, enough to throw Australia to the Moon, is needed to get things going.

From Nature • Mar. 31, 2020

The best ones trickle charge, which extends battery life and ensures that the engine will start at 4:00 a.m. on Saturday.

From Time Magazine Archive

Normally they picked up a trickle charge from broadcast power, on Walden, but there was no broadcast power on the liner, nor any on Darth.

From The Pirates of Ersatz by Freas, Kelly