Maximal Power DB OLY BLM5 Replacement Battery Olympus BLM5 for Olympus DSLR E3, E5, E-30 Cameras Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty Capacity: 7.4V, 1750mAh Compatible with OLYMPUS E3/E5/E30 camera Premium Japanese cell Limited 3 years warranty