Quick Rechargeable Battery 18V Lithium Ion 2.2Ah PDS-36-C

Battery Design: Provides all the power you need no matter what your application, Interior or Exterior: 18 volt DC Lithium Ion, Last a full day on 1 charge. Fast charger can operate from low cost inverters, plug into your USB port or cigarette lighter holder and charge from your truck. Batteries are stored in a closed compartment that is located between your back and the tank when worn, totally protecting the electrical components from moisture and sun.