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16/19V 4Ah Li-Ion Universal External Battery For Most of Laptop

MSRP Price: $79.95
Your Price: $59.95 Ground Ship Only
In Stock

Product ID # 2056
Part Number:


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Add Dell Connector?*

  • This product is compact in size, large capacity, easy to carry. Fits most labtop computer which has 16 - 19V DC input jack, or original battery pack 's voltage from 10.8V - 14.8V:
  • It can be used as battery pack for Trailtech HID bike light ( Voltage shall select at 16V )
    • Capacity:                   4000mAh   ( made by 8 pcs 2.0Ah 18650 Li-Ion inside )
    • Running time:             2- 3 hrs depended om laptop model
    • Battery Chemistry:      Lithium Ion(Li-ion)
    • Input:                         DC16.8V/1.5A 
    • Output:                16V and 19V DC switch selectable according to your battery.  (if original laptop battery is 10.8V, select 16V, if laptop battery voltage is 14.8V, select 19V
    • Max. Discharging:       3A
    • Dimension:                155x100x23 mm
    • Weight:                      2.8 lbs (1270g)
  • Switching Power Supply/ Charger
    • Input:                         100-240Vac 50/60Hz, worldwide power support through 5.5x2.1mm barrel male connector
    • Output:                      16.8V DC 1500mA, 5.5x2.5mm barrel male connector
    • Dimension:                 120x59.5x38 mm
    • Weight:                      287g
  • Detailed Description:
    • Charger:
      • Charging current is 1.5 A,  charge time is about 3.5 hours.  Constant  charging current ( 1.5 A) with constant voltages will apply in initial charging.  The charging current will change to ( 1.0 A) when battery close to full. This charging method will ensure the battery pack to get fully charged with longer service life.
      • Power will be cut-off automatically when battery is full.  It is a smart and safe charger
    • Battery pack:
      • The external battery pack has low voltage alarm. As the voltage of battery  is lower than 13 Vs, alarm ring for 10 seconds. It is better to turn off the portable notebook computer in time to avoid data lost. When alarm stop, please change to a new or fully charged battery.
      • 6 LED to indicate battery capacity level at 25% - 50% - 75% - 100%, as well as battery at charging state (CH) and the battery status if fully charged ( FU). All indicator lamps can be turned on to show battery capacity status or turn off  to save energy
  • Important Notice:
    • You may need this DELL connector, please check the following picture and dimension carefully to make sure it can fit your Dell Notebook.
    • Dell connector can be brought with this battery at extra cost, please make sure you select 'Add Dell connector' option before checking out.
    • Please charge this battery immediatly after use, maintain the battery by full charging it every 2 months if you are not plan to use it.
    • Please double check the size of connector before purchase the battery pack as we are NOT liable for damage due to sue of wrong connector or wrong polarity

Please click Compatible Laptop for listed of laptop supported


  • Please only use our original charger and accessories in order to guarantee the normal function and service life.
  • No dismantle at will in order to avoid the unexpected injury.
  • Please don't short negative pole, advise discharger circuit not over 3600ma.
  • Avoid keeping in touch with the corrosives material, keep far away from the fire source and heat source.

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