https://www.ebay.com/itm/3065600684...=5337259887&toolid=10001&customid=dbe1f64e3ac Baseus Blade 20000mAh 100W USB-C 4-Port Power Bank (Black, Certified - Refurbished) on sale for $40 - 10% coupon auto-applied in cart - 20% with coupon code TECHREFURB20 at checkout = $28.80. Shipping is free.