Powerextra MB-D15 Vertical Battery Grip + AA-Size Battery Holder Compatible with Nikon D7100 D7200 Digital SLR Camera Work with EN-EL15 Battery or 6 pcs AA-Size Batteries

About Powerextra: Powerextra is a famous trademark who specializes in offering digital camera batteries and photo accessories on Amazon.We always try our best to make sure customers have a happy shopping experience with us by providing good quality products with pretty price. Specification: Battery: one EN-EL15 battery or 6*AA/LR6 alkaline batteries Working temperature: 0C°to 40C° Dimensions : 138.2*49.7*75.5?mm? Weight : 165g More Battery Choice: The product can be used with one EN-EL15 rechargeable Li-ion battery or 6*AA batteries. EN-EL15 battery The performance of EN-EL15 battery drops at temperatures below about 10C .Be sure the battery is fully charged and keep a warm spare battery on hand ready to exchange as nessessary.cold batteries will recover some of their charge when warmed. AA batteries Due to their limited capacity,AALR6 alkaline batteries should be used only when no other alternative is available. The capacity of AA batteries varies with make and storage conditions and may in some instances be extremely low;in some cases,AA batteries may cease to function before their expiry date.Note that the capacity of AA batteries may drop at temperatures below 20C.Use is not recommended at low temperatures. Package Includes : 1 x Battery grip 1 x Magazine for EN-EL15 battery 1 x Magazine for AA batteries 1 x Instruction manual