Forget power banks, Shin is basically a 3-pound portable wind turbine that fits in your backpack. This 40-watt device is capable of charging mobile devices directly or it can store power in its 12,000 mAh internal lithium-ion battery for later use. Have an outlet available? It can also be pre-charged using a standard wall outlet.
The Anker 757 PowerHouse is the company’s largest power station yet, and it boasts a Lithium Iron Phosphate (LiFePO4) battery, similar to those used in modern long-range electric vehicles. What sets LiFePO4 batteries apart from others is that they have longer life spans and offer improved discharge as well as charge efficiency compared to Lithium Ion.
The Sunslice Photon may not be the first solar power bank, but it’s unofficially the world’s smallest. When folded up, this wallet-sized device easily fits into your pocket, backpacks, etc. After opening it up, you’ll find five weatherproof solar panels designed to capture twice as much energy as its competition. This is made possible with highly optimized back-contact monocrystalline solar cells.