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XS Power 598 D3100 Aluminum Hold Down Battery Mount | Audio Savings
4pcs En-el14 En El14 En El14a Battery + Usb Led Dual Charger For Nikon D3100 D3200 D5100 D5200 Df P7000 P7100 P7200 P7700 P7800 - Digital Batteries - AliExpress
Jupio Battery Grip for Nikon D3100/D3200/D3300/D5300 - fotocamera - Grobet