Output Interface:Double Usb Input Interface:Micro USB Supports Solar Energy:No Is LED Lamp Illumination:Yes Battery Type:Li-Polymer Battery Capacity:7001-8000(mAh) Material:ABS + Painting Self-charging time:4-5Hours Charge voltage:5V+-0.25V Recharge time:500 Times Built-in:Short circuit, over charge, over discharge, over load protections Certificate:MSDS, UN38.3, FCC, CE/EMC, ROHS Outport:USB-A: 5V-2A / 5V-1A USB Port:Dual USB-A + Micro USB Battery Type:Lithium Polymer Battery Input:Micro USB: 5V-2A Show More