Trickle Charging means a continuous, slow charge supplied to a fully charged battery under no-load at a rate equal to its self-discharge rate. A Trickle Solar Charge controller or charge regulator is basically a voltage or current regulator to keep batteries from overcharging.
Trickle Charging
ThePD (The Project Definition)
ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.