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HP 40gs Power Plant

power plant for HP

The HP 40gs is powered by 4 x AAA batteries and 1 x CR2032 as a data backup when the main batteries is low or in the pit-stop between batteries change. With 4 AAA batteries, it should give you a longer time running time between pit-stops. Besides, the older design with 3 x AAA batteries, I always ended up not knowing what to do with the extra battery that comes in the 4-packs.

Updated On: 13.09.15

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