Dual Battery to Electric AA Converter - Convert Any Dual AA Battery Clock/Device to Electr

Product Description

An innovative electric conversion kit for dual battery AA clocks or other dual AA driven items. The conversion is achieved by an external AC to DC power supply simultaneously powering and trickle charging internal NiMH Batteries. In the case of a power loss, the converter will act as a power back up and immediately switch to the Ni-MH batteries. Once power is restored, the device automatically switches back to electric and then re-charges the NiMH batteries for the next outage. The fully charged NiMH batteries can last for up to 3 weeks.

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