The versatile USB Dedicated Duo Charger for Panasonic DMW-BLF19E Batteries from Jupio is an intelligent charger for digital camera and camcorder batteries. It will charge up to two lithium-ion batteries from a 5V, 2A USB power source via the integrated male USB Type-A cord, USB Type-A port, USB Type-C port, or mini-USB port. Each battery charges independently, and each battery's charge status is displayed on the large illuminated LCD screen.