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Help Center2014 Ultra-thin 4000mAh !!! Battery Charger Case for Samsung Galaxy s3
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2014 ultra-thin 4000mAh !!! battery charger case for samsung galaxy s3
Power Bank Advantage:
1.Over-charge protection, discharge protection, over-current protection, short circuit protection
2. Hardware and software design with cutting-edge technology
3. Synchronous Rectification technology makes power efficient more than 95%, while the others’ power efficient lower than 90%
4.Heat-sink stick keeps PCB temperature low
5. Long cycle life, Rapid charge
| Battery Capacity | 4000mAh colorful and pretty USB universal portable power bank |
| Battery Cell Type | Polymer Li-ion battery cell |
| Rated Input | 5.1V/800mAh |
| Rated Output | 5.0V/800mAh |
| Self-Charging Time | 2-3 hours |
| Fully Charging Iphone | 2-3times ( Iphone battery 1420mAh) |
| Recharge Cycles | Charge to 100% Up to 500 times |
| LED Indicators | 1 battery capacity level LED indicators |
| LED Torch | YES |
| Protection Functions | Built-in protection functions for short circuit, over charge/discharge; |
| Attached Connectors | Micro Mini USB |
| Devices Supported | Mobile phones, MP3 players, MP4 players, PDAs, digital cameras, handheld game consoles, Bluetooth devices and so on. |
KETRON was founded in 1995 and has been dedicating in assemled battery. Twenty-year technological accumulation makes us have the ability of good industrial resource integration and builds top-ranking product quality of KETRON. It is used as purpose of enterprice to provide clients fast and responsible service, ensure every client’s confidence on mobile power of KETRON with powerful service management and establish KETRON into high-quality brank of global battery industry carefully.
We selcect the high-quality components supplier,inspect each of stored equipments strictly and assure quality of KETRON at the sourse.
Each of our products stands up standard performance examination and operation of every technical process is in conformity with standard system of ISO9001.
Standard Cell Technical Specification Summary | |||
Nominal Voltage |
3.7V |
Cell Voltage is between 3.6v--3.9v when shipped |
|
Capacity range |
100mah-1,999mah |
|
|
charge |
MAX charge voltage |
4.2 |
Cell Voltage is between 3.6v--3.9v when shipped |
MAX charge current |
1.0C |
||
Charging method |
Constant current/voltage |
Standard charge:0.2c @4.2v |
|
Constant current/voltage |
Standard charge:0.5c @4.2v |
||
Discharge |
Min Discharge voltage |
2.75 |
|
Max Discharge Current |
1.0Cmin |
Cells can be manufactured to discharge rates of up to 2.0c ,see high discharge series cells for more information |
|
Self Discharge |
Residual Capacity |
>97% |
After standard charging,stored at 25 @0.2C/2.75V |
Operating Temp(C) |
Discharge |
-10℃ +60℃ |
Higher and Lower temperatures are achievable to order |
charge |
0℃ +45℃ |
||
Storage Temp (C) |
-10℃ +45℃ |
|
|
Cycle Life (Number of cycles) |
Minimum |
300 |
One cycle relates to one charge period to 0.2C/4.2V-then one discharge period to 0.2C/2.75V.the cycle life rating is when the discharge capacity is at 80% of the rated capacity |
Typical |
500 |
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K-1:Top Quality with 1 year warranty;
K-2:We provide 1 year warranty counting from the date of purchasing, excluding damages caused by human or force-majure;
K-3: We have an experienced technogy-support team to solve all your problems confronted when using our products;
Any questions ,fell free to call :+86 13165939787 contact person :kobe chen skype:powerbank1990 wechat:13165939787
Send Inquiry to This Supplier
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