4S 40A Li-ion Lithium Battery Charger Protection Board 18650 BMS 11.1V 12.6V/14.8V 16.8V Enhance/Balance Fan 5015 12V 0.15A Sleeve Bearing Brushless Fan Test the complete system on

Test the complete system on a flat surface first

while fail-secure mechanisms remain locked without power

These are cosmetic and do not affect functionality

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Avoid routing antenna cables near power lines

4S 40A Li-ion Lithium Battery Charger Protection Board 18650 BMS 11.1V 12.6V/14.8V 16.8V Enhance/Balance Fan 5015 12V 0.15A Sleeve Bearing Brushless Fan Test the complete system on4S 40A Li ion Lithium Battery Charger Protection Board 18650 BMS 11. 1V 12. 6V 14. 8V 16. 8V Enha This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel metal hydride batteries, 18650 and polymer lithium battery packs, lead acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the