My e-revo brushless edition build

[mistercrash]

I'm having a little fun with my CBA II Battery Analyzer right now, I just analyzed a pair of NEU 5500 mah 2S lipos. From the results, it seems one of the packs (black graph) is failing me. And what do you think of the other one (red graph).

NEU #1 (in black)
Discharge rate: 10 A
Starting voltage: 8.36 V
Ending Voltage: 6.00 V
Total Time: 28 min. 48 sec.
Tested Capacity: 4796 mah

Neu #2 (in red)
Discharge rate: 10 A
Starting voltage: 8.43 V
Ending Voltage: 6.00 V
Total Time: 31 min. 56 sec.
Tested Capacity: 5314 mah