Capacity    4000mAh
  Input 5V±0.1 - 2.1A
  Output 5V±0.1 - 2.1A
  Over current protection(A) >2.5A
  Efficiency at 1A 89%
  Statical current <10uA
  Input short protection Yes
  Output short protection Yes
  Over charge protection Yes
  Over discharging protection Yes
  Auto recover after short protection Yes
  Charging time via PC/Laptop 4.5 hours
  Dimension 98x44x22mm
  Net weight 115g

 

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