Brand new never used. Won in a contest.
VPP-008-E

From the website:
The dual USB output ports mean you can charge 2 devices simultaneously, and includes USB-C™ input port. The fast 2.1A shared output from the Pebble Endurance is capable of charging an Apple® iPhone® 8 up to 8 times, and a Samsung Galaxy S8 up to 5 times.
The Pebble Endurance features a rugged, rubberised finish that’s designed to be taken outdoors. The Endurance has a handy karabiner loop and built-in LED torch for using the Pebble at night. With an IPX4 water resistant rating, meaning the power bank is protected from splashing water, no matter the direction – Perfect for taking in conditions such as camping, trekking and festivals

$40