Package include
 
1 pc x 1300 mAh Battery use for 510 interface Tank
 
Power LED Colors: Red=3.6v; Purple=3.8v; Blue=4.2v
How to use battery?
Turn on press the button、you can adjust the voltage by again press button times.
The Button Light indicates Your Voltage Setting
Red = 3.6v / Purple = 3.8v / Blue = 4.2v

Five Button Presses Will Power Your Battery On & Off

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