Read more: Battery Brands Ranked From Worst To Best To understand how a solar panel phone charger works, you really just need ...

There are a lot of things I carry around with me, but one thing I’ve found especially helpful is a solar charger that juices my phone when there are no outlets in sight. That’s why I’ve been ...

The design is now mature, and the High Efficiency MPPT Solar Charger is full of features like data logging, boasts a 97% efficiency over a range of 1 to 75 Watts, and can be used as a standalone ...