NP-40 Lithium Battery - Rechargeable Ultra High Capacity (710 mAh) - replacement for Fuji NP-40, Pentax D-LI8 & Panasonic CGA-S004 , Minolta NP-1 Battery Replacement battery for the Fujifilm NP40, Lithium-Ion (Li-ion) 3.7V (710mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark