https://sellout.woot.com/offers/baseus-picogo-10000mah-power-bank-45w-4 Baseus Picogo 10000mAh 45W 3-Output Portable Charger Fast Charging External Battery Pack w/ Built-in USB-C Cable (Black) on sale for $17.99. Shipping is free w/ Amazon Prime or is otherwise a flat $6 per order.