The Kastar V-Mount battery only about 26.4 Oz, 4' x 2.8' x 3' (102 x 72 x 75.5 mm), it is a compact battery, portable for on-the-go shooting. Easy to pack and portable for use. Battery Type: Li-ion, Battery Voltage: 14.8V, Battery High Capacity: 10.2Ah/ 150Wh. With OLED display, it can display battery voltage, capacity and USB output voltage. Multiple charging option, Micro-USB Input: 5V/3A; Type-C Input: 5V/3A 9V/3A 12V/3A 15V/3A 20V/2.2A; D-Tap Input: 16.8V/10A (MAX); BP Input: 16.8V/10A (MAX). [Note: Only one of them can be used to charge the battery at the same time]. D-Tap Output 14.8V/10A (MAX); Type-C Output: 5V/3A 9V/3A 12V/3A 15V/3A 20V/2.2A; BP Output 14.8V/10A (MAX); USB-A Output: 5V/3A. Built-in intelligent control system protects the battery from over-voltage, under-voltage, over-current and over-temperature.