Sorry I can't help you on that one. I have never tried Powerex battery, I use only Sanyo Eneloop (white).
Thanks you, Sir.
I ask, Because of Higher cost, Powerex = 2700 mAh, 8 = $ 29.95 ( Amazon)
And Eneloop white, = 2000 mAh, 8 = 20.19 ( Amazon)
Nice to talk to you, Sir, Have a great Sunday.