Durable 20000mAH polymer battery PP-20 has 20000mAH polymer battery which has high efficiency and charging conversion rates, the battery is much more durable, reliable and safer than the non-branded lithium ion batteries Dual USB output - PP-20 power bank lets you charge two devices at the same time through dual USB ports, the maximum current output is 2.1A, it is compatible with all types of smart phones, tablets, Bluetooth speakers and other USB port devices Dual input PP-20 has dual input options – micro USB and type C ports, this allows the power bank to charge with any of the micro or type C cable Compatibility with high-speed charging technology, P-11 rapidly charges your mobiles, tablets and other USB enabled devices with a maximum of 2.1A output Premium rubberized scratch less finish - the outer body of the power bank PP-20 is coated with specialized rubber material which not only gives a stylish finish to the product but also makes it more resistant to scratches and marks For all type C mobile users, you don’t have to carry two separate cables for charging your power bank or your device 6 months warranty