Promate Bolt-20 20000mAh Compact Smart Charging Power Bank with Dual USB Output White

Powerful 20000mAh li-polymer backup batteryBolt-20 is designed for those who look for portable and powerful backup battery options.Ensures faster charging speeds with dual USB output ports.The voltage regulation makes sure that optimum current is supplied as per the device.Bolt-20 is compatible with all USB-powered devices.