Opolar ODP 0693 10,000mAh Rechargeable Battery for Opolar Opolar 10,000mAh Battery Can be used as a Power Bank Match With Product: -10,000mAh Portable Mist Spray Clip Fan WH61 -10,000mAh Oscillating Camping Clip Fan WH81 -10 Inch 20000mAh Tripod Fan WH91 What’s in the box: Battery