Joint: ul rulesProduct features:1， suitable for below the capacity of 2000 mah lithium-ion cell phone batteries.2， 2.0 with a standard usb mobile phone interface3， IC to control charging process， charging speed， high efficiency， full automatic constant temperature constant pressure， saturation detection automatically， prevent the battery overcharge， charging saturation can reach more than 95%.4， high-grade appearance， fashionable equipped with portable， travel choice.5， all passes through the strict test aging program! Quality first， the optimal price.6， products in the security， stability and compatibility are safe and reliable has reached international standards.2. Product parameters1. Input: 110 v to 240 v2. Output: 5 v1000ma - 2000 ma3. Interface: double USB interface4. Color: white5. Material: PC6. 4.5 V voltage， ripple and noise (mVp - p) < 1% output voltage， plus or minus 0.02% / �� temperature coefficient， the startup time Is (240 input， Io = 100%) or less hold time acuity 200 ms (240 input， Io = 100%) output current can be set for constant current output mode， very precise8. Protection: overload protection 105% ~ 180% of the rated power， cooling method: natural coolingThree， directions for use:1， the output current: 1000 ma - about 2000 ma2， load output voltage: 4.16 ~ 5.0 V3， chargers work time: not less than 4 hours4， battery charging saturation: according to the time when charging， the battery saturation should be 95% or higher5， can be applied to any phone charge (you just need to access the corresponding mobile phone data line).sku��SFEL002