Power Li-ion battery PS-BLS1 (not original) for Olympus DSLR E400 E410 DSLR DSLR DSLR E420 E450 E620 DSLR Pen E-P1 Pen E-P2 Pen E-PL1 (Electronics)
Self-discharge to 0 in 3 weeks. When using about 20% of the capacity of the original battery. After 2 years of complete failure. By contrast, the original battery lasts for 3 years, almost as in the beginning and self-discharge is virtually non-exist