Kastar 4-Pack NP-F750/NP-F770 Batteries with LTD2 USB Dual Charger — Compatible with GVM T20R GVM-TD-JY258 GVM 12D GVM-50M GVM-50RS GVM-110S GVM-R500R GVM-680RS GVM-800D GVM-850D GVM-880RS LED Video Light

Includes four Kastar replacement batteries (Battery Type: Lithium-Ion) rated at 7.4V and 5800mAh each. The bundled LTD2 USB dual charger supports simultaneous charging of two batteries and features an interchangeable charging plate to accept different battery configurations. Charger Input: 5V 2-3A 15W; Output: 8.4V 800mA(x1) 800mA(x2). A compact, portable design makes it easy to carry; built-in LED indicators on the intelligent USB dual charger show charging progress and battery capacity. Multiple input options are provided with Micro-USB input and Type-C input, and a Micro USB cable is included.