SmallRig VB50 mini V Mount Battery, 3400mAh(50Wh/14.8V) with OLED Screen and Muti-interfaces - 3579 Key Features: 1. Compact and lightweight to be carried around:designed to lighten the burden of the film industry, the VB series are approximately 30% smaller than traditional V-mount batteries! 2. Intelligent BMS chip for efficient and safe use:a built-in highly integrated BMS chip takes up less space while supporting varied fast-charging protocols and bi-directional 45W (Max) USB-C PD fast charging! 3. Various interfaces for high compatibility: compatible with camera/ camcorder / monitor / wireless video transmitter / video light, etc. 4. Practical OLED display for precise control:keeps track of the battery's working status at all times! 5. Premium li-battery with great quality and life time: built-in high-capacity premium li-battery, brings you longer battery life time! Capacity:14.8V 3.4Ah 50Wh Rated Power:Discharge: 50W, Charge: 45W Interfaces: D-TAP Input/Output USB-A Output USB-C Input/Output 8V DC Output 12V DV Outpur Note: 1. Please keep it clean, dry area, and away from corrosive substances to reduce the risk of short circuits. 2. Please check its battery life regularly in case you need it anytime anywhere. 3. If the battery is left unused for a long time, please charge it to about 70% every three months and put it in a dry and ventilated environment for a longer lifespan. 4. It is normal for the battery to heat up slightly during charging or using. 5. When using the D-TAP connector, please distinguish the positive and negative terminals, and do not reverse the battery. 6. It's normal that for long time storage the battery will lose some power cause it has self-consumption. 7. Do not exceed its rated output when powering up other devices. 8. Keep it away from water or fire when using. 9. Please avoid dropping