Pentax Optio 550 Digital Camera Battery Lithium-Ion (1800 mAh) - Replacement for Fuji NP-120, Pentax D-L17 & Contax BP-1500 Replacement battery for the Fujifilm NP120, Lithium-Ion (Li-ion) 3.7V (1800mAh) This Synergy Digital battery is fully compatible with the original Fujifilm NP120 Battery. You can rest assured that this battery will work with your Fujifilm Cameras that use NP120 and it can be charged with the original manufacturers charger. We use only high quality Japanese cells, so you are sure this battery will last for years to come. Synergy Digital is a very high reputable company that manufactures batteries and other electronic accessories for over 2 decades, all our products come with a 3 year manufacturer warranty.