Amazon.com : Nikon MH-24 Quick Charger for EN-EL14 Li-ion Battery compatible with Nikon D3100 DSLR, D5100 DSLR, and P7000 Digital Cameras : Electronics
Amazon.com : Battery Grip Bundle for Nikon D3100/D3200/D3300 Includes Vertical Battery Grip, 1 ENEL14A Long-Life Battery, Charger, More : Electronics
Amazon.com : BoxWave Charger Compatible with Nikon D3100 (Charger by BoxWave) - Digital Camera Battery Charger, Car Charger for Camera Batteries for Nikon D3100, Nikon D3100 | Coolpix P7000 : Digital Camera
Amazon.com: Battery Charger for Nikon D3100 : Electronics
Amazon.com : MaximalPower Rapid Travel Battery Charger for Nikon EN-EL14 Battery Works with Nikon D3100, D3200, D5100, D5200, P7000 and P7100 Camera : Camcorder Battery Chargers : Electronics
Amazon.com : Gonine EH-5 Plus EP-5A Power AC Adapter Kit (NIKON EL-14/ EL-14a Battery Charger Replacement) For Nikon D3100,D3200,D3300,D5100,D5200,D5300,D5500,Df,P7000,P7100,P7700,D7800 Digital Cameras : Electronics
Amazon.com : EN-EL14 EN EL14A Battery USB Charger and 2-Pack Rechargeable Li-ion Batteries Compatible with Nikon D3100 D3200 D3300 D3400 D3500 D5100 D5200 D5300 D5500 D5600 DF Coolpix P7000 P7100 P7700 P7800 :
Amazon.com: Battery Grip Kit for Nikon D3100 D3200 D3300 D5300 Digital SLR Camera - Includes BG-N12 Battery Grip Replacement + Qty 1 BM Premium EN-EL14 Battery + Battery Charger : Electronics