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Custom LFP 18650 Battery: 3.2V 4500 mAh (14.4Wh, 4A rate, 3S/S) - UN38.3 Passed

Option 1: Open End Wires Only
Option 1: Open End Wires OnlyOption 2: with Molex ConnectorCU-J250-V3: Molex 43025-0400
Your Price: From $23.90 to $29.50
Lead Time: 5 Business Day

Product Options

Connector Option:


Voltage Nominal: 3.2 V; Charge Cut off: 3.65V; Discharge cut off: 2V
Capacity 4500 mAh
Terminal options
  • CU-J250-V1:
    • Red 5" 22 AWG open end wire = + of battery
    • Black 5" 22 AWG open end wire = - of battery & one end of 10k Thermistor
    • White 5" 22 AWG open end wire = one end of 10k Thermistor
  • CU-J250-V2: CU-J250-V1+ Molex Connector
    • Digi-Key Part Number: 1x WM2901-ND , Molex 0050579403 Housing
      Digi-Key Part Number: 3x WM2512-ND , Molex 0016020103 Pin
    • Pin 1: Thermistor: White
    • Pin 2: Battery +: Red
    • Pin 3: Empty
    • Pin 4: Battery - : Black
Cycle Life >1000 (80% Capacity@ 0.2C rate, IEC standard)  
Charge Standard: 1C(1500mA) , CC to 3.65V, then CV charge till charge current declined to ≤ 0.05C (225mA)
Maximum: 4A
Max. Discharge 4 A
Temperature Charge: -10°C to 45°C
Discharge: -20°C to 60°C
Storage: -10°C to 35°C; Recommended to store at 23±5°C for long time storage
Dimensions(LxDia) 72mm(2.8") x 57mm(2.2") x 19.5mm
Weight 130g  ( 4.6oz ) 


  • There is NO pcb for over charge & over discharge protection. Customer need to add protection themselves as we are not liable for damage due to over charge or over discharge
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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