HighlightsThe massive 20000mAh/30000mAh battery capacity is perfect for someone who always on the goCharge 2 devices at the same timeThe 4 power indicators can also be a friendly reminder when the power bank needs to be rechargedDesigned for use with any device that charges from a USB portThe embedded smart chipset provides under-voltage, over-power, over-current, over-temperature, over-voltage, and short circuit protectionDetails*Features* - *Ultra-Bright Solar Powered Light* - Adopt 228Pcs LED