Heaps of stock available .. I thought it was a good deal at $40 ( Almost half price) for 15000mah.
Key Features
15000mAh Lithium-Ion Battery technology
Compact design that is easily portable
Fast and powerful powerbank with soft touch finish
Offers up to 7.5 phone charges before needing to be recharged
Features LED light display so you know when it’s time to recharge
Features 2.4 Amp for fast charge capabilities
Dual USB outlets
Will power your smartphone, tablet, camera, portable speakers and fitness trackers
Pre-charged and ready to use - power at your fingertips as soon as you open the box
Includes Micro-USB cable so you can connect straight to your Android device; also compatible with iPhone cable or Apple certified MFI Lightning Cable
Reviews on JB's website not great.