1.NP-FW50 Battery Replacement:NP-FW50 2250mAh high capacity replacement battery.Voltage:7.4V 2.USB-C Fast Charging:This NP-FW50 battery has a USB Type-C charging port that reduces charging time by 40% compared to other USB-C camera batteries, and reduces charging time by 65% compared to conventional charging. With high current charging (5V/2A), you can have a full battery in 2.5 hours. And it comes with a charging indicator to clearly show the charging progress. Red indicator for charging, green indicator for fully charged. 3.Compatible Model:for Sony ZV-E10, Alpha A6000 A6300 A6400 A6500 A5000 A5100 A7 A7II A7R A7RII A7S A7SII RX10 II III NEX-3, NEX-3N, NEX-6 Camera 4.Multiple Charging Options:The NP-FW50 USB-C Rechargeable Camera Battery can be charged from a power bank, power strip, car charger or other dedicated charger. Quickly charge the battery by connecting to a portable charger or wall charger using the supplied USB Type A to Type C charging cable.