Powermonkey-Explorer V2 - Yellow
Replaced this with a Brunton Inspire and USB Solar panel when it failed to take a charge after only three months of use.  The seller will do nothing for you after 14 days, and the manufacturer is in the UK and a few reviewers here report that they do not respond.  I doubt I will buy another monkey battery to use with all the junk it came with because so far the Brunton products are working very well. Of course the Inspire is a closeout and any lithium battery has a typical lifespan even on the shelf but so 