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LiFePO4 18650 Battery: 3.2V 1250mAh (4A rate, 4 Wh) Rechargeable Battery - IEC/UN38.3 Passed*

Your Price: $12.50
In Stock

Product ID # 3787
Part Number:
CU-JAS232 / IEC#1IFpR19/66

Lead Time: 5 Business Days!

Quantity Discounts

5 to 20$12.13
21 to 50$11.88
51 to 100$11.63
101 or more$11.25


Battery                             3.2V LiFePO4 1250mAH made by K2 cell
Voltage 3.2 V (working)   3.8 V (peak)  2.5 V ( cut-off)
Capacity 1250 mAh
Prewired Charging/Discharging Terminals: 4" 22 AWG open end wires
  • 1x PCB (4A limited) installed with the  battery pack and protects the battery from
    • Overcharge       (>3.9V)
    • Over discharge  ( <2.0 V)
    • Over drain ( >4Amp)
    • Short circuits
Cycle Life >1000 (80% Capacity @ 0.2C rate, IEC standard  )  
Charging rate <1.25 A max.
Max. Discharging Rate 4 Amp limited by PCB
Dimensions(LxDia) 2.56" (65 mm) x 0.9" (23 mm)
Weight 36.8 g  ( 1.3oz ) 


  • 3.2V LiFePO4 battery pack shall be cut-off at 3.8V during charging and 2.5V during discharging
  • Please make sure you read the Safety Instructions.

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Product Reviews

(1 Rating, 1 Review) Average Rating:
best price on these hard to find batteries
C. Alomia (San Diego, CA) 5/19/2014 4:10 PM
Bbest price on these hard to find batteries

Thermal Spread Material used in Battery Pack Assembly
UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
Thermal Abuse Test for IEC62133
Lithium Battery Shipping Regulation
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Next Generation Batteries Conference, San Diego, CA, April 21-22, Booth#9
32nd International Battery Exhibit, Mar.9-12,2015, Florida, Booth #209
The Battery Show 2014, Sept. 16-18, 2014, Novi, Michigan, Booth# B1544
Energy Mobility 2014, booth#126, Apr 29-30, 2014, San Diego, CA
Lithium Battery Power 2013, Nov 12-15, 2013, San Diego, CA
The Battery Show 2013, Sept. 17-19, 2013, Novi, Michigan
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