Compatibility: Nikon EN-EL15 EN-EL15a EN-EL15b battery charger. Suitable for Nikon Z6 III Z7 II Z6 II Z6 Z7 D850 D810A D810 D800E D800 D750 D610 D600 D500 D7500 D7200 D7100 D7000 Fast charger: 5V 2.2A input, 2 batteries can be fully charged simultaneously in 2.5 hours. 【 Safe and Portable 】: Made of ABS material, lightweight and durable. The charger will automatically detect when the battery is fully charged and stop charging to prevent damage to the battery. Travel is more convenient: This battery charger comes with a 60CM USB cable for easy portability. Make your charging more convenient. Multiple charging methods: Powered by a USB power source, you can use an AC adapter, laptop, power bank, or car charger to charge the battery and refresh it anytime, anywhere.