The cold-free power bank not only charges your mobile devices on the go, but also keep your hands warm in winter. Damon Lin, a Chinese designer designed Beam 2s portable charger featuring a sleek stone-lije design. Its built-in 2500mAh rechargeable battery can charge your smartphone and other mobile devices, and it also doubles as a hand warmer that can work up to 4 hours on a full single charge. After the break, check out the images about the versatile power bank.
Source: Behance
