There are heaps of 10,000mAh power banks on the market today, which means mountains of plastic that will end up in a landfill one day. Now, Harman is getting into charging accessories with a greener approach. InfinityLab’s InstantGo line of power banks boasts up to 90% recycled plastic, but can it compete against the big names? Find out in our InfinityLab InstantGo power bank review.