LumsingDirect via Amazon offers the Lumsing Ultrathin 8,000mAh Portable Battery Pack in Black, model no. 206-1008-1070, or White, model no. 206-1008-1071, for $12.99. Coupon code "LUMS8000" cuts it to $8.05. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.99.) That's tied with our mention from last month and the lowest total price we could find by $2. It features two USB ports and LED indicators. Deal ends March 20.