Update: This popular deal is still available.Mirabox Official Store via Amazon has Select Mirabox Portable TV Dock Charger for Nintendo Switch w/ USB-C to USB-C Cable on sale as listed below when you apply promo code 50Z2VU4B during checkout. Shipping is free.

Thanks to Deal Hunter Navy-Wife for finding this deal.

Available (prices after applying 50% off code 50Z2VU4B):36W w/ USB-C to USB-C Cable $19.99BlueBlackWhite
65W w/ USB-C to USB-C Cable $24.99BlueWhite