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  • High capacity portable battery charger power bank with 20000mAh
  • Built-in 20000mAh high quality rechargeable 18650 Li-ion battery
  • Battery indicator display the accurate percentage of power
  • Dual USB DC 5V / 1A output charge for Mobile Phones, DC 5V / 2.1A  output charge for Tablet
  • Ultra high conversion efficiency (> 70%)
  • output capacity energy=(battery voltage 3.7v*battery capacity 20000mah)*conversion rate/output voltage 5v
  • Full charging time(AC power): 8-10 hours

Product details of Remax Proda Portable 20000mAh Power Bank

Sepcification:

 

1.Output Voltage: DC 5V
2.Output Current: 5.0V / 1000mAh~2100mAh
3.Input Voltage/Current: 5.0V / 1500mAh
4.Battery Capacity: 3.7V/20000mAh

5.Product dimension:  160*60*22mm

6.Applicable product: intelligent mobile,MP3,MP4,digital cameras etc.

7.Use device: the ordinary mobile power supply

8.Battery type:18650 lithium battery

9.Input interface: Micro USB

10.Output interface: usb output

11.Functional characteristics: portable and convenient,high efficiency of power conversion,long cycle life,economic efficiency


Safety
 

1. Overcurrent protection
When the current increasing in an exception, power bank immediately Start voltage buffer fuction, ensure the voltage in a steady state at any time., Avoid cause your charging device any damage.
2. Short circuit protection
When there is a short circuit occur in external device, power bank start Protection function, shut down the supply and avoid short circuit damage.
3. Overheat protection
When the power bank work long in high temperature environments (Exceed 60 degrees), Power bank will not be dangerous due to the high temperatures.
4. Overdischarge protection
When power bank discharge reached the critical point, the circuit automatic start Protection function and stop discharge.
5. Overcharge protection
Long time charge for mobile power supply or use power bank charge for the phone. When reach saturation point, system automatically shut down, avoiding the overload problems.
6. Overvoltage protection
Long time charge for mobile power supply or use power bank charge for the phone, When reach saturation point, in order to prevent over-voltage, the system automatically turns off.


Conversion Rate

1. Usually there is internal resistance in all mobile. and power bank will lost power when you charge mobile because this internal resistance.  we called it is Conversion Rate
2. About 8 to 10 hours charge can get the power bank full of power in normal times
3. charging time depending on charger.the more,the faster
4. the output power is different for every mobile. because mobile internal resistance is different.
5. All the power bank has Conversion Rate,as well as your phone,Charge will happens twice energy conversion!


item Picture

 

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S$40 S$27