guver,

Thanks for the welcoming

The larger battery (1250 mah) would indeed do the job, but the flight time would be alot shorter... about 1/3 of the time shorter, right? Another problem is that this is for an older Great Wings Slow Stick, that was originally intended for a brushed NiMh setup that I converted to a brushless lipo setup which is alot lighter. The first few flights I used a smaller battery and had to add lead to compensate (center of gravity balancing) for the heavier battery, etc, but later decided to fill up the lead weight with battery weight, and more flying time. So, if I go with just one of the batteries, then I'll have to add extra weight again.

I could just go and buy another 1800 mah battery, but thought Id try to use these other batteries that are just sitting around collecting dust.

A funny story about the Slow Stick: I used to take it to work and fly at an empty field nearby over my lunch break. One day I was charging the battery while it was still attached to the plane and I had the hood up with the plane on top of the motor. A friend of mine came running in and as a joke, said "come quick, there's a huge mosquito on your car sucking from your battery..."

Brady