Kastar 4-Pack Battery and LTD2 USB Charger Replacement for Sony DSLR-A850Q, DSLR-A900, 900, Alpha, a900, DSLR-A900B, Alpha 57 a57, SLT-A57,...

Battery Type: Lithium-Ion; Battery Voltage: 7.4V; Battery Capacity: 2400mAh. Can charge 2 batteries at the same time; Can change the plate to charge different batteries. Easy to carry, the Charger Input: 5V 2-3A 15W; Output: 8.4V 800mA(x1) 800mA(x2). Intelligent LED USB dual charger displays charging status and battery capacity. Multiple charging option, Micro-USB input and Type-C input, come with a Micro USB cable.