Maximalpower DMW-BCK7 Replacement Battery for Panasonic 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 Replacement battery for Panasonic DMW-BCK7, fits Panasonic DMW-BCK7E, DMW-BCK7PP, NCA-YN101F, YN101G, YN101H, Lumix DMC-FH2, FH5, FH7, FH25, FH27, FP5, FP7, FS16, FS18, FS22, FS35, FS37, FX77, FX78, FX90, S1, S3 camera Chemistry: Lithium-Ion, Output Volts: 3.7V, Capacity: 850mAh Premium Japanese cells for longer battery life with no memory effect 3 years limited warranty Charges Cannon NB 5L Battery 1 Yr Warranty Pod Removable for future update