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Water Bottle Li-Ion 18650 Battery: 14.8V 5200mAh (77Wh, 4.2A rate) + 1.5A Charger for Bikelight

Your Price: $119.00
In Stock

Product ID # 2196
Part Number:

Quantity Discounts

5 to 20$115.43
21 to 50$113.05
51 to 100$110.67
101 or more$107.10
*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
  • Voltage: 14.8V (working)   16.8V ( peak)  11.0V ( cut-off)
  • Need battery pack with output: 13.2VDC 2A rate? Please click here to order 
  • Please make sure light bulb will accept 16.8V peak voltage (4.2V /cell). You may consider use 12.8V LiFePO4 battery pack for bike light with 14.6V peak voltage (3.65V/cell), please click here for link
Capacity       5200 mAh (77Wh)
  • One PCB (7A) installed with the  battery pack and protects the battery from
    • Overcharge       (>16.8V)
    • Over discharge  ( < 9.6V)
    • Over drain ( >  13 Amp)
    • Short circuits
  • One 4.2 Amp polyswitch 
Max. Discharging Rate       4.2 Amp limited by polyswitch
Dimensions (LxWxH)
  • Battery size:      5.2" x 1.6" x 1.5"
  • Water bottle size:  3" D x 10"H
Battery Weight        1.2lbs (544 g)   

Smart Charger


  • Please keep your old bike lighting connector. You may need to link our wire to a special connector to make your lighting work properly , in case our universal connectors can not fit your light.
  • If you would like to use this charger in your car,  you can choose our 110W DC-AC inverter, then you can charge your RC battery everywhere.
  • Over voltage to get a brighter 12V  Halogen bike headlight of  10 - 13W.  However, bulb life will be shorten. The burning time is about 5.4 hours.
  • Can run 30 W max. Halogen light , burn time is 2.3  hours  ( don't use this pack for > 30W halogen light, PCB will cut power off)
  • Li-Ion battery may be exploded if mis-using.  We are not responsible for any damages or losses caused by misusing (included but not limited to: mis-charging, mis-discharging, any changes of this battery pack, mis-assembling batterypacks)
  • Always charge battery with attention.  Battery pack shall be placed on a fire-proof place to avoid any accident
  • Please check battery polarity before plug battery into light.
  • For safety warning please see the link here
 Pack Configuration  

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