A battery charger amusement has a receptacle adapted to receive a rechargeable battery and an electronic circuit communicating information stored within the device that is independent of charge status. The battery charger can include a motion actuator so as to move during the battery recharge process or includes a synthesizer so as to utter spoken utterances that are independent of charge status during the process. The device is intended to encourage the use of rechargeable batteries over a disposable counterpart.

 
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< Apparatus for refreshing batteries

< Integrated circuit implementing protection switch for battery charging and discharging with enhanced reverse voltage protection

> Multiple path variable speed constant frequency device having automatic power path selection capability

> Pulse width modulator and loading system thereof

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