2400mAh EN-EL15c Replacement Batteries】 These batteries offer an impressive capacity of 2400mAh and operate at a reliable 8.4V for backup power supply as portable outdoor travel photography and videography accessories. They use advanced Li ion cells for consistent, high performance power with no memory effect. NOTE: For optimal battery longevity, please fully charge the battery before first use 【Seamless Compatibility】 Compatible with Nikon Z8 Z7 Z7 II Z6 Z6 II Z5 D850 D810 D810A D780 D750 D610 D600 D500 D7500 D7200 D7100 D7000 1 V1 professional DSLR mirrorless digital cameras, MB-D18 MB-D17 MD-D16 MB-D15 MB-D14 MB-D12 MB-N11 MB-N10 multi battery power packs, and WT-7 wireless transmitter. The batteries are versatile camera accessories compatible with Nikon MH-25a original battery charger. Note: Not compatible with Nikon Z f camera 【Versatile Charging Case】 This multi use camera battery charger can simultaneously charge two included lithium ion batteries, also features two SD card holders, and works as a portable charger for smartphones when batteries are installed inside 【Full Charging Protection】Designed with an advanced protection system, the charging case effectively prevents overcharging, overheating, overcurrent, overvoltage, electric shock, and short circuits for safe charging 【Efficient Charging Process】 The charging case is equipped with two input ports and can receive power from micro USB or USB Type C cables. It fully charges one battery in 2.5 hours and two batteries in 5 hours. A USB Type A output port can be used to charge your smartphone on the go