Upgrade MJX F45 F645-7.4V-2200mah-35c battery for the MJX F45 F645 rc Helicopter parts Aeromodelling special lithium battery

 The Aeromodelling special lithium battery

  Genuine batteries

Super power ,Fly time about 17 minutes, Motor micro-hot, not hot...Strongly recommended！

Reminder

1.Excessive discharge will cause permanent damage of the lithium.

2.Should be avoided completely lost power and then end the flight, Also ,When you want to charge your battery ,you need wait at least 20 MInute  after you have  exhausted your battery fo the helicopter.