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Li-Ion 18650 Battery: 7.27V 21Ah (152.67Wh, 20A rate, INR18650 MJ1)

Your Price: $229.00
In Stock

Product ID # 7708
Part Number:


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage Nominal: 7.27V; Charge Cut off: 8.4V; Discharge Cut off: 5V
Capacity Nominal: 21Ah; minimum: 20.4Ah
Terminal 6" 16AWG black and red wires
Charge Current Standard: 10.5Amp (0.5C)
Maximum: 20Amp
Discharge Current Standard: 4.2Amp / 0.2C
Maximum: 20Amp
Dimensions(LxWxH) 135x56x45mm
Weight 1.5LB
Temperature Charge: 0 to 45°C
Discharge: -20 to 60°C
Storage: 1 month: -20 to 60°C; 3 month: -20 to 45°C; 1 Year: -20 to 20°C


  • Lithium battery may explode if not used properly. Please refer above specification. We are not responsible for any damages or losses caused by misuse, which include but are not limited to:  over charge, over discharge, over current, any changes of this battery pack, disassemble battery pack.
  • Always charge battery with attention.  Battery pack shall be placed in a fireproof container during charge to avoid any accidents.
  • Please check battery polarity before connecting battery with device. Never make wrong polarity connection.
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Related Products

  • You may choose Smart Charger (1.2A) to charge this battery pack.
    • The estimated charge time is around 19 hours   

Related Products

Option 1: Open End Wire Only
Li-Ion 18650 Battery: 7.2V 2.6Ah (18.72Wh, 3A rate, 2S/S, ICR18650B4) - UN38.3 Passed
Your Price: Cell Discontinued, replaced by #7554 and #12547

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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.
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