Output Interface:Micro USB Input Interface:MICRO USB/DC Supports Solar Energy:No Is LED Lamp Illumination:No Battery Type:18650 Lithium Battery Dimension:110*69*9.8mm Weight:185g Capacity:4001-5000(mAh) Socket Type:USB Port Features:High Capacity Battery Cell Type:Ploymer Color:black/red rose/blue/sliver/golden Features:Slim Power bank Self-Charging Time:2 hours Input:5V 2.0A Output:5V 2.1A USB Port:1 Port Product name:Universal Battery Charger Backup,Portable Power Source Show More