This battery revive set-up worked on a Trinity Reference 3600mah 6-cell Battery Pack.

You can try to revive the battery-pack by first charging it at 0.5Amps and 5Mv.
-waited 1-hour
-then I tried a charge at 1-amp. It took the charge for over 30-minutes
-waited another hour
-then I gave the battery-pack 30-minute test charges with higher and higher amps; until it took a full charge at 3.6amps - 5mv