Image - eUSB sofun 4 Power Bank Portable External Battery 10400 mah For Laptop/Notebook/iPad/Cellphone - White

Built-in Samsung Cells, long battery life. Juice up Laptop, Smart Phone, Tablet. eUSB Technology: Juice up various laptop up to 45W. Fitcharge Technology: Detect the input current demand. Powered by premium Li-ion cells from Samsung, 10400mah high capacity, compact. Super Charge, Little Waste. Conversion rate up to 90%. Sync Charge: It can be charged and charge your device at the same time. Fast Charge, Full Safety Guarantee. Fast Self-charge. Multi-Protective circuit design: Overcharge-proof/Overdischarge-proof/Overvoltage-Proof/Overcurrent-proof/ Temperature Protection/Short-circuit Protection/Reset Protection. Automatically turns off while not in use for 60 seconds. Power on, Light up. Built-in LED indicators. Emergency LED Torch. Alloy Plastic Body(PC+ABS):Light, Stylish and Durable. The ergonomic design offers a comfortable grip.
Features:
Weight: 9.24oz
Capacity: 10400 mAH. 3.7V/38.5Wh MAX
Input: DC 5V 2.1A MAX Micro USB
Output: DC14-20V---2.37A MAX / DC5V---2.1A MAX
Size: 5.43" X 2.44" X 0.85"
Charging time: 6.5 hours(using 2.1A AC adapter), 13.5hours (using 1A AC adapter)
Ambient Temperture for use: Charging 0-45 degrees celsius, discharging: -10 to 60 degrees celsius
Environment for storage: -20 to 60 degrees celsius.
Note: The electrical core will have 85% capacity left after 300 cycles.(from fully cahrged to fully discharged is a cycle).
Compatible with: USB DC 5V Charging Supported Device. Laptop Computers(not fit all computer. pls contact us to confirm the model before you made the purchase).