Mertrado DMW-BLD10 / 10E battery (850 mAh, 7.4 V) for Panasonic Lumix DMC-G3 / Lumix DMC-GF2 / Lumix DMC-GX1 / Lumix DMC-GX1X (Accessories)
+ More power than the original battery (felt are really 1800mA) + Good workmanship - No capacity indicator in the camera display (unfortunately is in the specification are not well understood)