NB-9L Rechargeable Lithium-Ion Replacement Battery Pack (3.7v, 1200 mAh) Replaces Canon NB-9L Battery Replacement battery for the Canon NB-9L, Lithium-Ion (Li-ion) 3.7V (1200mAh) This Synergy Digital battery is fully compatible with the original Canon NB-9L Battery. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark