Three Halcyon 2400 mAH Lithium Ion Replacement Battery for Canon EOS 5D Mark III Digital SLR Camera and Canon LP-E6 Package Includes: 3 Halcyon Brand Battery Battery Specs: 2400 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 Canon LP-E6 Batteries