... output 3. Aluminum alloy case 4.4 LEDs indicator Fashion Design Power Bank 9000mAh Specification BrandleadcoolModelLC-540Cell TypeSamsung 18650 lithium ... cable,LED indicaors show capacity5.high standard safety protection design,including discharge,overcharge,overload,short-circuit,lightning protection ... you have any questions about this product,pls feel free to contact us ,we will reply you within 12 ...