1. 【Compatibility】This Battery Charger Box Compatible with DMW-BLK22/BLF19E, Suitable for battery charging of Panasonic DMW-BLK22/BLF19E and Panasonic Lumix DC-S5, DC-S5 II, DC-S5 IIX, GH5 II, GH6, S5II, S5IIX, S5M2, S5M2X, GH5M2 etc cameras 2. 【Function Introduce】This battery charging box can simultaneously charge two DMW-BLK22/BLF19E batteries; Comes with a 34cm USB charging cable, and can also be charged with a TYPE-C charging cable; The automatic SD card reader function allows you to directly read the content of the SD memory card by linking it to a computer; LCD display, real-time display of battery level; It can be used as a power source to charge other devices through USB; Comes with two SD memory card storage slots 3. 【Materials and Features】High quality ABS die-casting, durable and wear-resistant; Portable storage, compact and lightweight; LCD display, clear battery level at a glance; Input/OUTPU/SD three display lights prompt; The charging speed is increased by 30%, and the charging efficiency is higher; Compatible with original batteries; SD card read and write speed 25MB/S R&W; Working temperature -10 ℃~50 ℃; 4. 【Product parameters】USB input 5v/2A, type-c input 5V/2A; USB-B output 8.4V/2A, charging output 5V/(0.5A-1A) X2; SD read and write speed 25Mb/S R&W; Charging box size: 137 * 78 * 29 (MM); Charger weight: 100g 5. 【Package】Color box packaging, instruction manual * 1, multi-functional charging box * 1, Excluding batteries