CoalBit
Portable Power Bank
Power banks are no longer an innovation, but a Latvia-based firm designed a new device it hopes will differentiate itself from the rest. Draugiem Grupa came up with CoalBit, a 23-gram, 2×1.4-inch coal-shaped portable power bank which features a 560mAh battery, enough to juice your smartphone with three hours of talk-time, two hours of surfing […]













