Thanks to its high capacity the Romoss Pulse 20 20000mAh Power Bank allows for multiple charging of certain devices, its high-quality lithium polymer batteries are safer and more durable for charging. It comes with dual-USB output ports which support simultaneous charging of two devices at once making it versatile. Equipped with Fit charge technology, it is compatible with many devices such as mainstream mobile phones, tablets and other devices and its simple appearance and superior feel conforms to its ergonomic design, giving it an outstanding hand feeling making it easier to hold. It features an intelligent ten-fold safety protection design which includes overcharge, overcurrent, reset, over-discharge, temperature, power-surge, anti-reverse, short-circuit and RFI protection.