Mammoth 30000mAh battery lasts for days on a single charge Qualcomm Quick Charge 3.0 charges your device 85% faster 60W USB-C PD to refuel your MacBooks & Notebooks Integrated smart IC chip protects against overcharging & short circuit Compact, sturdy design makes Capital-30 on-the-go powerhouse Keep track of battery percentage left with smart LED display. 6 Months Warranty