Tutorial of How to Upgrade the Helicopter’s Battery

Do you think your helicopter can play just a short time? If you want to extend the flight duration, with the same voltage, you can replace the original battery to a more powerfull one. The modification is easy and short, I will take X902A as an example, let’s start it.



Other than the helicopter, all you need to prepare just as above, the main focus is the “Li-Polymer Battery 3.7V 240mAh For Micro RC Helicopters”.

Use the screwdriver to remove screw and you can see the original battery.


Just take it out and then cut it, remain longer wire in the helicopter.

Cut the plastic part and then you can see the metal wire. Do the same for the new battery.
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Twist the wire to connect the helicopter and new battery.

Have the protection of the wires’ connecting parts.

Place the battery in a suitable position that you can place back the canopy.

Finished! You can see a more powerful X902A with the old battery. You can use this method on others helicopter with 3.7V battery. Buy the new battery form here