SDNP70 Lithium Battery - Rechargeable Ultra High Capacity (3.7V 1300 mAh) - Replacement for Fuji NP-70 Battery For Fujifilm FinePix F20, F40fd Replacement battery for the Fujifilm NP70, Lithium-Ion (Li-ion) 3.7V (1300mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark