1. ENEL15 Batteries with Charger Set: 2 PCS 2500mAh EN-EL15 EN-EL15a ENEL15 Battery with Charger for Nikon D7000 D7100 D7200 D850 D750 D7500 D810 D500 D800 D610 D600 EN-EL15b Battery L5 D810A 2. Multi-Function Battery Charger Case: Four-in-one charger is EN EL15 battery charger,(1)could as a camera storage case to store 2 batteries, (2)and is 2 SD card storage case. (3)have a phone power bank function(4)Can be used as a card reader to read camera memory card information. 3. Fast Charging: battery output:8.4V 1A*1 0.5A*2 Input, USB OUTPUT:5V/2A, Input:5V/2A,It takes about 1-2 hours to charge one battery, and about 2-4 hours to charge two batteries at the same time;LCD screen,You can directly know the electricity status of the battery on the battery charger. 4. Three Charging Way: The EN EL15 lcd battery charger built with a Double-Sided Plug USB Cable (34.5cm length) and Type-C port Input power up your camera's batteries,with a good-charging efficiency, only 2 hours to fully charge