7.0V 1900mAh EN EL15 EL15 Battery + Dual USB Charger for Nikon D800E D810A D7000 D7100 D7200 D7500 Z6 Z7|Digital Batteries| - AliExpress
Nikon MB-D15 Multi Battery Power Pack for D7100, D7200 at KEH Camera
2050mAh Nikon D7100 D500 camera accu EN-EL15b EN-EL15c
Amazon.com : Nikon D7100 24.1 MP DX-Format CMOS Digital SLR with 18-105mm f/3.5-5.6 Auto Focus-S DX VR ED Nikkor Lens : Point And Shoot Digital Cameras : Electronics