I got my new packs ready to go. Got them all on the battery trays. I am also using some sample cooling plates that just came in. With the addition of these cooling plates I will be able to remove heat from 2 sides of the batteries. The overall weight of the battery tray cooling plate and Velcro is 62g. This gives me the same amount of mass I used in my first prototype tray which worked well.

So so overall the old battery weighed 1299.90 grams on the tray ready to fly

The new batteries rtf weigh 1247.83. This includes both plates and Velcro.

Weight savings is a whopping 51.07 rtf!

Im really impressed with these batteries and will hopefully be flying them tomorrow.