a continuous, slow charge supplied to a storage battery to keep it in a fully charged state.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use trickle charge in a sentence
Every two months interrupt the trickle charge long enough to add water to bring the electrolyte up to the proper level.The Automobile Storage Battery | O. A. Witte