Konica KD-400Z Digital Camera Battery Lithium-Ion (1000 mAh) - Replacement for the Konica-Minolta DR-LB4, NP-500 & NP-600 Replacement battery for the Minolta NP500, Lithium-Ion (Li-ion) 3.7V (1000mAh) This Synergy Digital battery is fully compatible with the original Minolta NP500 Battery. You can rest assured that this battery will work with your Minolta Cameras that use NP500 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.