Hello Rzed Perc 4e/Si on a PE1850 - G3399 Perc 4e/DI on a PE2850 - G3399 Perc 3/DC on a PE2650 & PE6650 - 9M912(Part # for controller card) Perc 3/Qc on a 6450 - 9M907(Part #'s for controller card)  The battery is integrated into the cache of the 3/DC and 3/QC. The battery cannot be replaced on those cards. You would need to replace the entire card to replace the battery. Thanks
What is the part #'s for the following Percs? Perc 4e/Si on a PE1850 Perc 4e/DI on a PE2850 Perc 3/DC on a PE2650 & PE6650 Perc 3/Qc on a 6450   Thanks
Batteries for Percs?