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Model: ONI9137
DescriptionEasily check theck the voltage of your banana plug batteries with this lightweight aluminum checker. With plugs that be used with both 4 and 5mm battery holes!..
Model: ONI9105
DescriptionForgot if you charged your battery? Use this checker to find out! Also check each cell's individual cell voltage to know if any cell has gone bad beforehand! Also a programmable beeper to use as a low voltage warning if your ESC does not have a similar function!..
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