Kastar NP-F770 4-Pack 5800mAh (7.4V) Lithium-Ion Batteries + LTD2 Dual USB Charger — Compatible with Sony NP-F330 NP-F550 NP-F570 NP-F730 NP-F750 NP-F770 NP-F780Exp NP-F930 NP-F950 NP-F960 NP-F970 NP-F970Pro NP-F980Exp NP-F990

Battery Type: Lithium-Ion; Battery Voltage: 7.4V; Battery Capacity: 5800mAh. This kit includes four Kastar NP-F770 replacement batteries and an LTD2 USB dual charger. The charger can charge 2 batteries at the same time and features a changeable plate to accept different NP-F series batteries as needed. Charger Input: 5V 2-3A 15W; Output: 8.4V 800mA(x1) 800mA(x2). An intelligent LED on the USB dual charger shows charging status and remaining battery capacity. For flexible powering options the unit accepts Micro-USB and Type-C inputs, and a Micro USB cable is included. The compact design makes the set easy to carry for shoots and travel.