Chemistry: LITHIUM RECH POLYMERVoltage: 5.00Milliamp hours: 20000 mAHCapacity: 20.00 AHWeight: 1.01 lbLength: 8.43 inWidth: 3.54 inHeight: 1.18 inTermination:Warranty: 12 MONTH FREE W/RECEIPT20K Interstate Power Bank | PBK0020SKU: PBK0020Quantity*Add to Cart