Kastar 3-Pack 7.4V 4000mAh Lithium-Ion Batteries + LTD2 Dual USB Charger for JVC GZ-MG37EK GZ-MG37EX GZ-MG37EY GZ-MG37EZ GZ-MG37U GZ-MG37US GZ-MG39 GZ-MG39AA GZ-MG39E GZ-MG39EK GZ-MG39EX GZ-MG39U GZ-MG39UC GZ-MG40

Replacement kit includes three 7.4V Lithium-Ion batteries, each 4000mAh, together with the LTD2 dual USB charger. The charger can power two batteries simultaneously and features a removable plate so you can switch to different battery types. Portable and lightweight for travel. Charging options include Micro-USB input and Type-C input; a Micro USB cable is included. Intelligent LED indicators on the dual USB charger show charging progress and remaining battery capacity. Electrical specifications: Charger Input: 5V 2-3A 15W; Output: 8.4V 800mA(x1) 800mA(x2).