Features: Brand new 20000mAh power charger external battery bank with LED torch High capacity and high compatible Durable, lightweight, ultra slim design Powerful with long operation time Electricity-saving function User friendly, long cycle life and rapid charge Environmental friendliness and Economic efficiency.Specifications: Product name: 20000 mAh large capacity mobile power supply Battery core: high amplitude lithium battery core Battery core capacity: 20000 mAh Package size: 19*11*3cm Package Weight:420g Working temperature: 10-45 degrees Celsius Output voltage: DC 5 v Output current: 1000 ma (normal mode) 2100 ma (high distribution mode) Input voltage: DC 5 v Input current: 1000 ma Conversion rate: 85% Support equipment: computer, mobile phone, tablet PC, etc Color: White Package: 1x USB Cable 8x Adapter 1x User Manual