Real 2600mAh Battery: This small deck fan is powered by USB or Battery. It can be charged by computer, laptop, power bank, car charger etc. The build-in rechargeable Li-ion battery has real 2600mAh, not fake capacity. 3.5hours for full recharge, 3~8 hours working time depends on speed.
https://www.amazon.com/Handheld-Personal-Portable-Stroller-Flexible/dp/B083HRT9N9

