iFlight FULLSEND Long Range INR21700 4S 4000mAh Li-Ion Battery

iFlightSKU: DA1657

Sale price£48.90

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Same-day dispatch excludes bank holidays and special circumstances - always consult our announcements bar at the top of the page for any exceptions.

Additional Information


We ship lithium batteries via road only. By adding lithium batteries to your cart, your delivery options will be limited accordingly.


We only sell genuine cells, produced to a high safety standard. By purchasing lithium batteries you agree to use them in accordance with the safety instructions provided here.

Please note that we sell batteries for RC purposes and not for the use in vaping.


  • Never carry loose cells – they should be suitably cased at all times when not in use.
  • Do not short batteries with metallic objects.
  • Always use a battery charger designed for the cells you are charging.
  • Never leave a battery charger unattended.
  • Never completely discharge batteries. (The cut off for most cells is 2.8v or 2.5v)
  • Check your wraps and insulators regularly. Replace worn or damaged wraps before continuing use.
  • Do not expose to extreme heat or cold, or sudden fluctuations between the two.
  • Always dispose of end of life cells at your local WEEE recycling centre


As batteries are consumables items, they do not follow our usual returns policy and due to saety concerns are not returnable. Please see the Batteries section of our returns policy for more information regarding our limited DOA warranty.

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Our new iFlight FULLSEND INR21700-40T 4S1P 4000mAh 14.8V Li-Ion Battery - XT60H plug will be perfect for long-range quads like Nazgul5 HD、Titan XL5, ProTek35 etc.


  • Samsung INR21700-40T
  • Continuous Discharge Rating (max): 35A
  • Absolute Max Discharge: 45A (below 80° Celsius)
  • Lowest Cell Voltage: 2.5V (Do not discharge deeper than 2.5V!)
  • Cell combination: 4S1P
  • Connector: XT60H
  • Great for long-range quads like TITAN XL5 etc.
  • Compact Size, lightweight


  • Size: 77*43*43mm
  • Weight: 292.7g
  • Voltage: 14.8V
  • Connector: Amass XT60H

Package includes

  • 1pc x FULLSEND INR21700-40T 4S1P 4000mAh 14.8V Li-Ion Battery - XT60H

    Product Details

    Product TypeBattery
    Shipping Weight200 grams
    Connector typeXT60
    Number of cells4

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    Support Information

    Further product support information: https://iflightrc.freshdesk.com/support/home

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