Battery charging circuit including a current limiter which compa

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries

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320 15, 320 56, 307 66, H01M 1046

Patent

active

057866821

ABSTRACT:
In a system including a power supply, such as a rectifier, which supplies power to a load and in which a back-up battery is arranged between the power supply and load, a current controller is configured to control the recharging current supplied to the back-up battery. The current controller includes a variable resistance which is altered dependent upon whether more or less current is to be used for recharging of the back-up battery. The use of the current controller ensures that sufficient current is available for the load during the recharging process, even in a situation where the back-up battery requires a high level of recharging.

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