Sealed lead-acid battery float charger and power supply

Details Sealed lead-acid battery float charger and power supply Sealed lead-acid battery float charger and power supply

H - Electricity

02

J

320/10

H02J 7/04 (2006.01) H01M 10/44 (2006.01) H02J 7/00 (2006.01)

Patent

CA 1291789

Abstract of the Disclosure A power supply is provided with a predetermined nonlinear temperature coefficient for float charging sealed lead-acid batteries and providing power to a load. A temperature compensation network in the power supply provides the predetermined nonlinear temperature coefficient by using a linear temperature coefficient element (forward biased silicon diode) and a nonlinear temperature coefficient element (thermistor) in combination. Additionally, an over-voltage protection circuit, to disable the power supply should the output voltage exceed a predetermined value, is disclosed having a second temperature compensation network to compensate for the output voltage variation with temperature of the power supply.

526693

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