Syma s107 battery upgrade mod

Since Syma s107 is so addictive that the flight time can hardly satisfy us, it is also true for its long charging time.
So here is a tutorial for the battery upgrade so that you can elongate the time to play with this remote control helicopter. This mod require only simple soldering, very easy and worth to make it.
First of all, cut off the leads connect with the original 150 mah Lipo battery.

Connect and solder the new 240 mah Lipo battery to the leads.


Do not forget to wrap it with tapes.

Put the battery to the original position and try to push it towards the back. Then, put the canopy back and check the balance of Center of Gravity (CG).

credit to ragnarok
For the 240 mah Lipo battery, you may check the price here.
Need s107 spareparts? Check this out!

Alternatives

Solutions is always more than problems. Below you will found this guy convert the original Lipo into a removable one.

Someone even claimed that he doubled the flight time by owning one more s107 !! Hahaha

LEDS Removal

To increase the flight time, you can also reduce little weight of s107 by removing its blue red flashing leds in the nose.

Off Topic

Just found one more video about the amazing stability of Syma s107, it flies on a moving train!

Finding s107 spareparts? Check this out!