Negative Positive
Title: Mine too have very fast self discharge
Review: I bought about 20 of these to use in my flashes (Nikon SB800 and SB900) after reading all of these good reviews. I ignored the few bad ones. I also purchased the Maha MH-C800S charger and I use a radioshack battery tester to gauge the charge.After only 5 months of use, say about 10-15 cycles, they do not hold a charge for very long. Even after one day it goes down to 1.1 volt. After 3-4 days they are useless. Heck the energizer batts I have from over a year ago work far better than these. If I leave them for a couple weeks they go down to 0. I mean ZERO, no charge left at all. And I use the Maha charger on slow charge, every time. Maybe they have batch issues, or quality control problems, I don't know, but my powerex batteries are useless.In summary, I am highly disappointed in these and would advise to get any of the other name brand rechargeable batteries.
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