Model Number: YH-S33 Brand Name: YH Key Specifications/Special Features: Battery capacity: 6000 to 13000mAh you can choiceBattery cell type: A grade 18650 li-batteryRated input: 5V DC-1ARated output: 5V DC-1A/2A, double USB outputRecharge cycles: ≥500 timesWith compass and camping lampWith LED torch, four power level showProtection functions: built-in protection functions for short-circuit, overcharge/over-discharge/over-heatingAttached connectors micro mini USB Model YH-S33 Capacity 6000 to 13000mAh you can choice Battery type A grade 18650 li-battery Input 5V-1A Output 5V-1A/2A, double USB output Size 135*76*26mm Weight 210g Color blue/black/white/red/green/yellow/purple/rose red