HRB 3S 4S 4000mah Lipo Battery 14.8V 7.4V 11.1V Deans XT60 T 5S 6S 2S 22.2V 18.5V 1S RC FPV Airplanes Drone Truck Car 60C Parts Color:1S 3.7V Cell There are many payment methods

There are many payment methods available

If starting helicopter must use small diameter version

The voltage should be maintained between 3

- Left / Right throttle control switch mode

All dimensions are measured by hand

HRB 3S 4S 4000mah Lipo Battery 14.8V 7.4V 11.1V Deans XT60 T 5S 6S 2S 22.2V 18.5V 1S RC FPV Airplanes Drone Truck Car 60C Parts Color:1S 3.7V Cell There are many payment methodsHRB 3S 4S 4000mah Lipo Battery 14. 8V 7. 4V 11. 1V Deans XT60 T 5S 6S 2S 22. 2V 18. 5V 1S RC FPV Airplanes Drone Truck Car 60C Parts Caution: Don't over charge more than 4. 2V and dont over discharge below 3. 7V Don't put it beside the high temperature condition. Don't throw it into fire. Don't throw it into water. Useful Knowledge: The easiest way to determine the remaining capacity of a battery is to measure the voltage (for example 4. 2V battery):