Big Mike's BM Premium DMW-BCG10 Battery for Panasonic Lumix DMC-ZS20 Digital Camera + Micro Fiber Cleaning Cloth DMWBCG10 DMW-BCG10 Li-ion Battery for Panasonic Lumix DMCZS20 DMC-ZS20 Digital Camera Battery Specifications - Energy Storage Capacity: 1200mAh /Voltage: 3.7 volts, Chemistry: Li-ion 100% Memory Free Super Long Time Recording Battery has a one-year warranty Includes DMWBCG10 Battery + Micro Fiber Cleaning Cloth