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Polymer Li-ion Battery: 7.4V 6.4Ah (47Wh, 4.2A rate, 7548168-1C) with Fuel Gauge

Your Price: $77.94
In Stock

Product ID # 2847
Part Number:

Lead Time: 5 Business Days

Quantity Discounts

5 to 20$75.60
21 to 50$74.04
51 to 100$72.48
101 or more$70.14
*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage       Voltage: 7.4 V (working)   8.4V ( peak)  5.5 V ( cut-off)
Capacity       6400 mAh (47 wh)
  •  PCB (6A limit) installed with the  battery pack and protects the battery from
    • Overcharge       (>8.4V)
    • Over-discharge  ( < 5.5 V)
    • Over drain ( > 8 Amp)
    • Short circuits
  • 4.2 Amp polyswitch installed to limit  max. discharge current @ 20'C and to protect wrong polarity
  • 6" 18 AWG open end wire 
  • Fuel gauge display with 5 LEDs on surface of battery pack and wrapped by transparent PVC. ( click for detailed specs)
  • Touch the switch on the display , you can monitor the energy level of battery pack from 20% to 100%
Max. Discharging Rate       4.2 Amp limited by polyswitch @ 20'C ( lower rate available upon request )
Dimensions(LxWxH) 168mm(6.6") x 52mm(2.1") x 20mm(0.8") (without fuel gauge) With Fuel Gauge the H = 25mm (1.0")
Weight       only 12 oz  (340 grams)
Smart Tips
  • HID Bike lighting  (6V Halogen , 20W Max due to higher initial current in cold halogen bulb)
  • Digital Camera External Battery Pack etc.


  • Li-Ion battery may explode if misused.  We are not responsible for any damages or losses caused by misuse (including but not limited to: improperly charging/discharging, any changes of this battery pack, mis-assembling battery packs).
  • Always charge battery with attention.  Battery pack shall be placed in a fireproof place to avoid any accidents.
  • Please check battery polarity before plugging battery into light. Never make wrong polarity connection.  Please check
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings


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