For a limited time the XTAR SN4 modular camera battery fast charger for Nikon cameras is 50% off with this exclusive coupon code 50U72G5J (compatible with D7500/D7200/D7100/D7000/D850/D810/D810A/D800/D800E/D780/D750/D610/D600/D500/Z7/Z6/Z5/V1, available also for Sony and Canon):