Convert 2pcs NP-F series batteries to V-mount battery. It is recommended to use 2pcs batteries of same type, such as 2pcs NP-F550. Can be applied to devices powered by V-mount battery, such as LED light, monitor, 5D2 & etc. Input voltage 7.4V, output voltage DC 13-16.8V, output current max. 8A. Circuit protection design. With power indicator light. Application: NP-F to V-Mount Battery Converter Battery Type: 2 * 7.4V NP-F Series Output Port: D-TAP, SON V-Lock Output Voltage: DC 13.0-16.8V Output Current: Max. 8A Working Temperature: 0 to 40 Storage Temperature: -10 to 50 Item Size: 15 x 9.1 x 2cm / 5.9 x 3.5 x 0.8 inch Item Weight: 135g / 4.7oz Colour:black Material:plastic Package Contents: 1 * Battery Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.