A good backpack and port are really handy. But it's just a charging port. Not the charger itself. So you must have a portable battery to charge with
Backpack Xiaomi Mi City Backpack 2 dark gray
38 Review
16" Apple MacBook Pro 16 Late 2019 3072x1920, Intel Core i7 2.6 GHz, RAM 16 GB, DDR4, SSD 512 GB, AMD Radeon Pro 5300M, macOS, RU, MVVJ2RU/A, space gray
58 Review
10.3" Lenovo Tab M10 FHD Plus 2nd Gen TB-X606F (2020), RU, 2/32 GB, Wi-Fi, Silver
47 Review
16" Notebook Apple MacBook Pro 16 Late 2019 3072x1920, Intel Core i7 2.6 GHz, RAM 16 GB, DDR4, SSD 512 GB, AMD Radeon Pro 5300M, macOS, MVVL2LL/A, silver, English layout
55 Review
π VINTRONS FLUKE 3105035 Ti20-RBP Replacement Battery - Ti10, Ti20, Ti25, TiR Models
3 Review
π HQRP 2-Pack Gumstick Battery Compatible with Sony NC-5WM, NC-6WM, WM-701C & More - Long-lasting Power for Multiple Sony Devices
5 Review
π DJI Osmo Battery Health Analyzer
3 Review
π Tri-Tronics G3 Field, G3 Pro Battery
4 Review