In needs an external n-channel power mosfet, and can implement buck, boost, buck-boost or SEPIC (single-ended primary-inductance converter, pictured) topologies. Operation is from 4.7 to 85V, covering ...
The umbrella is made with the Anker SOLIX EverFrost Electric Cooler in mind. One of its main features is special solar cells called perovskite, which Anker claims are 30% more effective than regular ...