Runs 56 hours at full speed. You can connect it to a USB charger and use it at the same time. The manual says it has a 16850 battery, but that should be the really high capacity version, it's not available to the end user; To get to it, you had to disassemble it with a screwdriver.
USB Rechargeable Portable Handheld Mini Fan, 3 Speed Foldable Desk Fan With Battery Operated Hanging Personal Fan For Home Office Indoor And Outdoor Travel
41 Review
Xiaomi Solove F5 RU desktop fan, pink
47 Review
Misby Rose Portable Bladeless Desk Fan - Quiet And Rechargeable With 3-Speed Control, Perfect For Home, Office, Bedroom And Desktop Use
35 Review
Xiaomi Solove F5 Global desktop fan, white
35 Review
Split system Roda RS-AL09F / RU-AL09F
37 Review
π₯Ά LG TC09GQR Split System Air Conditioner - White
11 Review
Senville AURA: Energy Star Mini Split Heat Pump W/ 9000 BTU & Alexa Compatibility
13 Review
UL Certified 120V Unheated Awoco 48 Super Power 2 Speeds 1650CFM Commercial Indoor Air Curtain With Free Door Switch
23 Review