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

If you have doorbell wires or want to use a power extender kit, you can attach them to the Ring 2020 to trickle charge the battery.

From The Verge • Jun. 8, 2022

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

From Nature • Mar. 31, 2020

It was also possible that the craft's batteries had been completely discharged, that they had to wait patiently until solar panels generated enough electrical current to replenish them with a slow, "trickle" charge.

From Time Magazine Archive

When this has been done, continue the trickle charge.

From The Automobile Storage Battery Its Care And Repair by Witte, Otto A.