Battery charger for charging a stack of multiple lithium ion bat

Details Battery charger for charging a stack of multiple lithium ion bat Battery charger for charging a stack of multiple lithium ion bat

1999-03-11

2000-09-19

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

H02J 700

Patent

active

061217514

ABSTRACT:
A battery charging apparatus for charging a stack of multiple lithium ion battery cells charges the stack by a combination of switched capacitance cell balancing and cell voltage monitoring to provide a charge cycle that starts with a nominally constant current charging and easily shifts to constant voltage taper charging.

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