I wanted to run 2 lipo's in my Inferno GT2. One is 4000mah and one is 5000mah. Both are 5s and both have a 30C discharge.

1. Is it ok to mix and match the mah when running parallel ?.

2. Will the 4000mah battery drain before the 5000mah when run in parallel or will both drain at the same rate ?.