SmallRig 3580 V-Mount Battery Mini VB99 Its customized intelligent BMS system ensures faster and safer charging by providing multiple protections against overcurrent/short circuit/overheating/overvoltage etc. Made of PC heat-resistant and fire-safe material, it provides safe protection during charging.Also includes connections such as USB-A / USB-C / D-tap / DC 8V / DC 12V / V Mount for efficient charging / powering of camera / camcorder / monitor / wireless video transmitter / video light / mobile phone / laptop etc. without the need to convert the V-mount plate! The BMS chip features a 16-bit ADC / power meter algorithm together with MCU and OLED digital display to monitor the battery status all the time. Built-in 3500mAh high capacity lithium battery provides high charge and discharge rate, excellent cycle performance and efficient power while adding less weight to the camera mount.Built-in high quality high performance battery (no inflated capacity), which are rechargeable and stable, meet MSDS/UN38.3/IEC62133/UL2054/UL62368 and other internationally recognized standards, allowing you to capture every moment without burden! Capacity 14.8V 6.7Ah 99WhNominal power discharge: 65WV Mount / D-TAP input 8A (Max)V Mount / D-TAP output 14.8V / 14A (Max)USB-A outputUSB-C input/output Max input/output 65WDC1 output 8V / Max3ADC2 output 12V / Max3Valternative charging method 16.8V D-TAP charger, USB-C charger as GaN charger with PD fast charging technology (up to 65W). Package includes.