**********Compatible Original Battery EN-EL15/15a battery charger is compatible with Nikon D750 D7500 D850 D810 D810A D800 D800E D7200 D500 D610 D600... Bigger capacity of 2000mAh/ 14.8W Battery, can charge inside the camera, or using the 2.1A USB input charger to maximize charging efficiency*****Super Large Capacity Triple your camera runtime with a complete backup package including two replacement battery and a dual battery charger to keep the empty ones charging*****Two Charge Ports micro USB and type c interface, more charging options, but note that only one ports can be used to charge, prohibiting to use them all*****Versatile Charging Option Common Micro-USB input and the ability to charge with a USB wall charger, car charger, or external battery gives you more options than a standard battery charger.