Kastar 4-Pack NP-F750 / NP-F770 Batteries with LTD2 USB Charger — Compatible with GVM (GVM-7W, GVM-RGB9S, GVM RGB-9W, GVM-6W, GVM FS03R, GVM-Y1, GVM S200, GVM-5W) and Rotolight NEO 3 On-Camera RGBWW LED Video Light

Battery Type: Lithium-Ion; Battery Voltage: 7.4V; Battery Capacity: 5800mAh. This kit includes four NP-F750/NP-F770 batteries plus the LTD2 USB dual charger. The charger can charge 2 batteries at the same time and features a replaceable plate to accept different battery styles. Charger Input: 5V 2-3A 15W. Output: 8.4V 800mA(x1) 800mA(x2). Intelligent LED indicators on the USB dual charger show charging status and battery capacity. Multiple charging options are supported with Micro-USB input and Type-C input; the package comes with a Micro USB cable.