Two Halcyon 1400 mAH Lithium Ion Replacement Battery and Charger Kit for Nikon D3100 14.2 MP Digital SLR Camera and Nikon EN-EL14 Package Includes: 2 Halcyon Brand Battery & 1 Halcyon Brand Wall & Car Rapid Charger Battery Specs: 1400 mAh with Premium Japanese Cells Halcyon Support: Includes 5 Year Halcyon Replacement Warranty. Full Membership Access to Halcyon Customer Support Website Frustration Free Packaging. No wasteful and dangerous plastic blister packs. Compatible with all cameras which take Nikon EN-EL14 Batteries