ATC via Amazon offers the Lumsing 13,400mAh Portable Battery Pack
in Gold or Black for $23.99. Coupon code "CQQGIYGU" cuts that to $13.99
. Plus, Prime members bag free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.52.) That's $23 off list and the lowest total price we could find, although we saw it for a buck less a month ago. It features two charging ports and an LED flashlight. Deal ends September 25.