Although smartphone batteries continue to get better with each new model released, they have still not reached the point where we aren't constantly nagged by worry of a dead smartphone after a long day. And until the day that a smartphone integrates a solar panel directly into its design, Danish startup infinityPV's HeLi-on novel portable battery featuring a retractable solar panel is the closest we will get to an unlimited charge. Touted as the world's most compact solar panel, the HeLi-on weig...
Although smartphone batteries continue to get better with each new model released, they have still not reached the point where we aren't constantly nagged by worry of a dead smartphone after a long day. And until the day that a smartphone integrates a solar panel directly into its design, Danish startup infinityPV's HeLi-on novel portable battery featuring a retractable solar panel is the closest we will get to an unlimited charge. Touted as the world's most compact solar panel, the HeLi-on weig...
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