Anker 20000 mAh battery

Anker PowerCore Select portable charger with a capacity of 20000 mAh - black Specifications: - High capacity in a portable device: enough power to keep you going for more than 46 additional hours. - Fast charging technology: IQ technology ensures your devices charge quickly at 12 watts. - Excellent output: provides enough power to charge any two devices at the same time at maximum speed simultaneously. - Lithium polymer battery: these lighter batteries provide higher specific energy than other lithium batteries.