21 of 21 people found the following review helpful
Good battery upgrade for the S107,
= Durability: = Fun: = Educational:
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This review is from: Syma S107 / S107G Upgrade 3.7V Lithium Polymer 240 mah Battery for Remote Control Helicopter Helizone RC Firebird (Toy)
This battery gives my S107G more speed and longer flying time. This has been a nice upgrade for my S 107. It changes the center of gravity so the helicopter now drifts very slowly forwards when hovering with neutral stick. I actually prefer it like this, but if you want a totally neutral hover, you can always add a little weight to the end of the tail. The further out, the less weight you need.
The battery is a tight fit and installing it is a skilled job which requires partly dismantling the helicopter and soldering the wires. A perfect installation requires taking the receiver board out of the helicopter, unsoldering the the old battery wires and soldering the wires from the new battery to the board. If you do not feel confident to do this, you could also cut the original wires and splice them to the wires from the new battery. Make sure to insulate the splices, but keep it light.
I installed it with the lighter end where the cables are connected facing forwards to minimise the effect on the center of gravity of the helicopter.