With years of export experience along with excellent quality， advanced services and competitive prices， SAYI has won numerous customers' trust and support. below is the descrition for more info by this product

Capacity20000mah

Battery cell TypePolymer battery cells

Dimension195*86*14mm

ColorBlack， Silver， Golden

Shell materialMetal ;

Battery cell gradeFull capacity

Voltage(output/ input)DC 5V/1.0A ， DC 5V/1.0A(MAX) to DC 5.0V/2.0A ;DC5.1V/2.1A

Currents(output)5W max.

UsageKinds of digital items :Mobile phones，MP3/MP4 Player， PMP， GPS， Bluetooth， Digital camera， PDAs ， MID， Handheld game consoles(PSP) etc .

Transfer rate75%~85%

Accessory1 single usb cable，

PackagePaper box ;

Recycling life/timeover 500 times

Running/Storage tempt.(-5°C - 40°C ; -10°C - 30°C )

Working tempt.-25Deg-55Deg

Charging time4 hours

Storage Humidity:65%-20%

ODM/OEMYes， welcome OEM&ODM order

ProtectionDual IC Protection (high quality & low ESR)

CertificateCE，FCC，ROHS，BSCI

Warranty1 YEAR