Hello i designed this travel fan…. u can use it for example on the beach to cool your child as i did :) It can run up to 3 hours and with power bank all day…chargeble with phone charger usb-C

Parts needed :

1: https://www.aliexpress.com/item/1005005195434497.html?spm=a2g0o.productlist.main.11.4903ORozORoz26&algo_pvid=0a4b4323-6bcf-47d7-b7aa-a3011b52ad9f&algo_exp_id=0a4b4323-6bcf-47d7-b7aa-a3011b52ad9f-5&pdp_npi=4%40dis%21CZK%2177.68%2166.80%21%21%2123.63%2120.32%21%40211b617a17195791650883502e4588%2112000032087994939%21sea%21CZ%21761695262%21&curPageLogUid=ZVNycWgVG00x&utparam-url=scene%3Asearch%7Cquery_from%3A

2: https://www.aliexpress.com/item/1005005824724009.html?spm=a2g0o.productlist.main.27.5e693c49vcAcLv&algo_pvid=d383ccdc-a0d0-498a-8f9d-509bf2095fb0&algo_exp_id=d383ccdc-a0d0-498a-8f9d-509bf2095fb0-13&pdp_npi=4%40dis%21CZK%21124.27%21124.27%21%21%215.18%215.18%21%402103835c17195793208462176e2e19%2112000034483879173%21sea%21CZ%21761695262%21&curPageLogUid=df51Bf4Grs5l&utparam-url=scene%3Asearch%7Cquery_from%3A

3: https://www.aliexpress.com/item/1005006994127730.html?spm=a2g0o.productlist.main.7.62f02eeaqNBSM6&algo_pvid=186f2407-9ea7-439c-9162-79eed6eeac11&aem_p4p_detail=202406280605426464526265620000001522341&algo_exp_id=186f2407-9ea7-439c-9162-79eed6eeac11-3&pdp_npi=4%40dis%21CZK%2169.36%2169.36%21%21%2121.10%2121.10%21%40211b813b17195799422946154e119e%2112000038983309959%21sea%21CZ%21761695262%21&curPageLogUid=gf8WYjirWOq2&utparam-url=scene%3Asearch%7Cquery_from%3A&search_p4p_id=202406280605426464526265620000001522341_1

4: 6 m4 screws 2x 30mm

4x 40mm

5: 2x 18650 battery

Later i post foto of wiring but it is simle …