Invention Grant
US09002413B2 Battery cell phone combination 有权
电池手机组合

Battery cell phone combination
Abstract:
A battery cell phone combination for use in a cell phone or other electronic device having a case or housing is provided. The battery cell phone combination has a primary battery and a secondary battery each being shaped so as to be able to be received in the case. When the primary battery is drained the user can enable the secondary battery in a rapid manner and for a fee or for free. The primary and secondary batteries are isolated from each other such that there is no current seepage between the two. The cell phone is continuously powered when switching from the primary battery to the secondary battery such that calls are not dropped during the switching process.
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