This Heated Jacket Battery power Bank CAN NOT support Milwaukee/ Bosch/ Matabo/ Ravean/Craftsman /AEG 12V heated jacket working. CAN NOT support heated gloves, Socks, Hats working. 7.4V 5000mAh Heated Jacket Battery Pack was designed specifically for 7.4v/ 8.4v heated vest, heated jacket, heated pants, heated hoodies. （Only support DC 4mm jacket connector） This Heated Jacket Battery Pack input charging voltage is 5v micro USB and design 2 output port. 5V USB outport and DC 4.0mm outport support most of 5V heated jacket and 7.4v/ 8.4v heated jacket. Can be as heated jacket replacement battery pack support Kobalt or Smarkey heated jacket working. (More brand can use this battery, please contact seller for double confirm) The increased capacity of the 7.4v 5000 mAh battery can provide up to 5-8 hours of long-lasting working time as the same quality like original heated jacket battery. Heated Jacket Battery for Heated Clothing Compatible with most heated devices (heated jackets, vests, and pants) on the market , it can be taken as an additional heated jacket battery pack.