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Trickle charging is the process of charging a fully charged battery at a rate equal to its self-discharge rate, enabling the battery to remain at its fully charged level. This state occurs almost exclusively when the battery is not loaded, as trickle charging will not keep a battery charged if current is being drawn by a load.
A trickle charger is typically low-current (usually between 5–1,500 mA). They are generally used to charge small capacity batteries (2–30 Ah). They are also used to maintain larger capacity batteries (> 30 Ah) in cars and boats. In larger applications, the current of the battery charger is only sufficient to provide trickle current.
Very small trickle chargers are intended only to maintain a charge on a parked or stored vehicle, but larger chargers can put enough charge into a battery to allow a start within a few minutes. Battery chargers may be strictly manual, or may include controls for time and charging voltage.
Battery chargers (2 C, 6 P) Charging stations (51 P) W. Wireless energy transfer (27 P) Pages in category "Battery charging" ... Trickle charging; U. Universal charger;
It consists of three phases (or stages), to be executed by a battery charger. The three phases are: I-phase (constant electric current), Uo-phase (constant over-voltage), and U-phase (constant voltage). The purpose is to fully charge the battery in a relatively short time without reducing its life span and to keep the battery charged ...
[citation needed] This effect is very common, [citation needed] as consumer trickle chargers typically overcharge. Nickel–metal hydride batteries, for example, are known to experience this form of capacity loss [citation needed] often mistakenly attributed to memory effect. [2]
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