Thumb Score: +45 AnkerDirect via Amazon has Anker PowerCore Slim 10000 PD 10000mAh Portable Charger USB-C Power Bank (Black) on sale for $19.99 when you clip the $5 off coupon on the product page and apply promo code ANKER1231 at checkout. Shipping is free. Thanks DJ3xclusive Deal Editor's Notes & Price Research: