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Ruggedized PDAs

Ruggedized PDAs face a critical shortage of power particularly at low temperatures. The high pulse power needed for the radio frequency transmissions or new display technologies such as OLED can strain existing batteries. This overload situation quickly lowers voltage and triggers premature shut-down (leaving spare energy in the battery), thus decreasing overall communications time and the useful life of the battery.

A supercapacitor can eliminate this problem. Working in tandem with the battery, the supercapacitor discharges its power during peak loads and recharges between peaks, provides the support power needed to operate the PDA for much longer periods, enables memory back up, battery chatter recovery, and battery hot-swapping capabilities, and reduces excessive power load which extends the battery’s life cycle.

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