Chelsea Online

Rechargeable built-in 5000mAh battery Extends smartphone usage up to twice Quality engineering Guarantees against short circuit and over-charge and provides temperature protection On/Off button and LED indicator Puts power-on-demand in your hand and provides on-the-go charging for your mobile lifestyle Within Cable for Input / Output Easy to Carry Features     Charge or power your tablet anywhere, And power 2 more devices at the same time     5V/2.1A Output supply is faster, so can short charging time.     Smart blue color LED power indicator     Built-in short circuit, overcharge, over-temperature protection     Auto Full power off function Specifications Model XP5000 Battery 5000mAh Lithium-Polymer Input DC 5V, 1A Output DC 5V, 2.1A(Max) Charging Time(hrs)~10Hrs LED 4 LEDs Color Black Dimension 124.5(L) x 62(W) x 16.5(H)mm Weight(g) 133g Compatibility Smartphone Tablet