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Polymer Li-Ion Battery: 7.4V 2.5Ah (18.5 wh, 2A rate, 544792-2C) battery pack (1.5)

Your Price: $34.99
In Stock

Product ID # 2787
Part Number:

Lead Time: 5 Business Days!

Quantity Discounts

5 to 20$33.94
21 to 50$33.24
51 to 100$32.54
101 or more$31.49
*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
  • 7.4V 2.5Ah polymer Li-Ion battery pack is made of two polymer Li-Ion cells  (2500mAh) with prewired PCB
  • Wrapped by heavy duty fire retardant heat shrink tube
Voltage Voltage: 7.4 V (working)   8.4 V ( peak)  5.5 V ( cut-off)
Capacity 2500 mAh or 18.5 wh
  • One PCB  installed with the battery pack and protects the battery from
    • Overcharge       (>8.4V)
    • Overdischarge  ( <5.5V)
    • Over drain ( >  3Amp)
    • Short circuits
  • One 2 Amp polyswitch installed to limit  max. discharging current and to protect wrong polarity
Prewired 6" 18 AWG open end wire
Charging rate 1.0A ( recommended ),  2 A max.
Max. Discharging Rate 2 Amp limited by polyswitch ( lower rate available upon request )

98mm(3.9") x 52mm(2.0") x 18mm(0.7")

Weight 105 g (3.7 oz)
Smart Tips
  • 6V Bike lighting up to 15 W halogen light 
  • External battery pack to run 6V DC devices. Such as digital camera or camcorder
  • Li-Ion Battery may explode if charging or discharging improperly. User must have knowledge on how to charge and discharge Li-Ion battery before making Li-Ion Battery Pack.
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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