Promate Bolt-10 Dual USB Power Bank 10000mAh – Black  designed for those who look for portable and powerful backup battery options. The high capacity 10000mAh power bank ensures faster charging speeds with dual USB output ports. The voltage regulation makes sure that optimum current supplied as per the device. Bolt-10 is compatible with all USB-powered devices.
Most modern devices can be charged around 4 times depending on their battery capacity. Featuring 2 built-in USB ports, the Promate power bank will recharge any device that charges via a USB cable, making this power bank ideal for use with your own smartphone as well as lending some power to your friends and families’ devices. Fast dual USB outputs support simultaneous charging: an outstanding feature of the Promate portable charger is that it includes two USB output ports, which share a 2 amp output.