Hubsan X4 Spare Battery

If you're a fan of the Hubsan X4 quadcopter then this'll be the perfect accessory for you.

So you've flown your X4 Quadcopter, had loads of fun doing it, but now you have to wait for its battery to recharge. There’s no fun in waiting and now, there’s no need! With this useful spare battery, you can stay up in the air for twice as long as before.To charge this battery simply splace it in your X4 and racharge the device with the USB cable included with your X4 quadcopter.

This would be a fantastic replacement for an old battery and is equally great to use alongside a working battery to double your flight time.