Kastar Ei-D-Li1 LTD2 USB Battery Charger Replacement for BIOCHEM - BCI CAPNOCHECK II, 8400, 8401 CAPNOGRAPH PULSE OXIMETER, Molicel MCR-1821J 1-H...

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.