YX F06 Battery 7.4V 1200mAh 25C (Battery is Yellow)

I've had four of these batteries and only three have any capacity left today. Unfortunately, two of the three, the ones I'm actually reviewing have only had one cycle each. Actually, the last one spoiled up once, flew for less than a minute and spooled down. Never to spool up again. The heli, also of poor quality, let out the magic smaell of ozone... now it doesn't work at all. So yeah, batteries aren't great and heli is even worse. Maybe 10 flights? No crashes.

Pass on the heli definitely. If you have one and need batteries, test them as soon as you get them in case you have a problem.

Spare battery works great as it should! I have heard people having issues with this helicopter but mine has been working flawlessly. Maybe I’m one of the lucky ones. Heli direct seems to take good care of their customers from my experience.

The EC 135 is a great and fun helicopter. I only had one pack to start with and bought another pair because you get so much more flying time. Batteries work very well and are a good price too.

The replacement battery for the helicopter fits as good as the original and works just as good too.