A method includes determining that a battery has entered a transition phase based on the occurrence of a change in direction of current flow through the battery. In response to determining that the battery is in the transition phase, a capacity of the battery is determined based on a transition phase battery capacity model of capacity-vs.-voltage.

 
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< Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction

> Autonomic battery reconditioning

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