Amazon.com: Nikon 1 J1 Digital Camera Battery Charger (110/220v with Car & EU adapters) - UltraPro Replacement Charger for Nikon EN-EL20 / EN-EL20a Charger : Electronics
Amazon.com: Nikon J1 Battery
Camera Battery ENEL20 for Nikon EN-EL20 EXTENDED 1 J1 J2 J3 S1 Li-Ion 1250mAh 804051315713 | eBay