Product nameUniversal external portable power bank 8000mAhBattery typeLi-polymer batteryShell materialmetal caseCapacity8000 mAhCharging times>500 timesDimension154mm*74mm*10.8mmcoloursBlue/Silver/gooden/BlackOutputDC 5V  1AInputDC 5V  2ASafety protectionOVP ,Website:://.cbtgdesign.com,ODP ,OCP ,SCPOperating temperature-10°C-40°CStorage temperature-20°C-50°CPower efficiency>85%Applicationiphone, ipad, samsung, HTC, MP3,PSP,etc.why buy this metal power bank?slim body ,high capacity , portablecute and easy to carryHigh performance 10000mah li-polymer batteryHigh efficiency output for fast chargingplastic for secure, non slip gripWorks with cell phones, tablets and computers Instant power for mobile devicescustomized colour