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Eleaf iStick 40W
The Eleaf iStick 40W is an innovation of the iStick series devices, adopting the element of temperature control. Temperature control introduces a unique vaping experience without any dry hits by adjusting the temperature setting. Despite being small in size, this Eleaf iStick can reach 40W and has a 2600mAh battery capacity. Stainless steel threads and an elastic spring connector ensure this device with high wear resistance.
The iStick 40W is a variable voltage and variable wattage vaping device. It can produce massive vapor within an output range between 2 and 10 volts, or 1-40 watts. It can be used with nearly all types of atomizers from as low as 0.2Ω all the way up to 5Ω. Although the size is slightly larger compared to other iSticks, the iStick 40W is still a very compact mod that is easy to grip and carry around. You'll be able to enjoy continuous vaping for hours on end, thanks to the incredible 2600mAh lithium cell.
The USB charging port of the iStick is located on under the base to make passthrough vaping easier. Charge this eleaf iStick in an upright position through, a computer, or a wall outlet port for 5 hours to replenish full power. The iStick features a sharp, easy-to-read digital OLED screen which displays the current voltage or wattage, remaining battery life, ohms resistance of the atomizer, and a vape timer.
Threading for vape tanks on the iSticks has always been a strong suit, and the 40W iStick mod has retained the original 510 design of its predecessors. The durable spring-loaded connector pin guarantees a solid connection between battery and tank, and the wear-resistant stainless steel thread ensures a secure fit with any 510 atomizer, clearomizer, or cartomizer. Along with upgrades to its capacity, aesthetics, and features, the company Eleaf has also beefed up its iStick safety. Standard safety protocols such as short circuit protection, low voltage protection, automatic shutoff, and locking capability are in place, as well as additional overheating protection that shuts down the device when the internal temperature rises to 158 degrees Fahrenheit (70 degrees Celsius).
iStick 40W Features:
• 2600mAh battery capacity
• Sleek ergonomic design
• Stainless steel components
• Temperature control: 200°F to 600°F, in 10°F increments
• Variable wattage: 1W to 40W
• Variable voltage
• Works with nickel and titanium coils
• Superior OLED screen
• Puff timer
• Battery level indicator
• Spring-loaded center connection pin
• No need to unscrew the back of the mod to install battery
Specifications:
• Rated resistance range: 0.05-1ohm (TC mode), 0.15-3.5ohm (VW mode)
• Temperature range: 100-315°C (200-600°F)
• Capacity: 2600mAh
• Thread type: 510
• Rated output wattage: 1-40W
• Size: 36.2mm x 22.3mm x 77.3mm
• Colors: Black/Blue/Silver/Grey
Package Contents:
Eleaf iStick 40W TC
USB charging cable
user manual
Operating tips:
•To turn your iStick 40W TC on/off: press the fire button five times in quick succession.
•To start vaping: press the fire button and hold it down while taking a puff.
•Stealth on/off: press the fire and down buttons simultaneously when the battery is on to switch between Stealth on and Stealth off mode. In the Stealth on mode, you can vape with the OLED screen off and press the fire button once to view current settings.
•Switch display mode: press the up and down buttons simultaneously for two seconds when the battery is off to rotate the screen display 180 degrees.
•Shift between TC and VW modes: long press the menu button to shift in between modes.
Product Reviews
Showing reviews 1-20 of 76 | Next
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I love these particular vapes! I have 3 of them...
Posted by Angela Kaniowski on Jan 8th 2026
I love these particular vapes! I have 3 of them and just bought one for my mom for Xmas. They are well made and keep a charge for a long time. I highly recommend these!
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Love my battery! I need a...
Posted by Donna Farris on Oct 11th 2025
Love my battery! I need a few more
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This is not the first time I have bought these...
Posted by Gloria Dillon on Oct 2nd 2025
This is not the first time I have bought these and within a few months they won't work. Will be looking someplace else to buy them
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Excellent
Posted by Cheryl Buonanno on Sep 8th 2025
Excellent
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The only battery I...
Posted by Jackie Crawford on Aug 25th 2025
I've been using these for years. Actually had one I retired recently that had been in daily use from 9 years ago. (was the old mini usb charger) The newer models aren't quite as sturdy but I still use them exclusively.
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all
Posted by robert ratajczak on Aug 19th 2025
all good
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Great...
Posted by Jason Mashni on Aug 16th 2025
Battery does a great job and delivery was fast!
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It's not the product it's the...
Posted by Chris Babcock on Aug 11th 2025
It's not the product it's the service. Twice now you shorted my order. The last one I ordered coils and you guys canceled it and this one you shorted my order.
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Like...
Posted by Customer on Aug 10th 2025
So far so good, really durable
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Good unit, bad...
Posted by Chad Dixon on Aug 2nd 2025
Nice design, look, feel, functionality for a TC box. But the battery life is abysmal, and the fact that it's not replaceable means it's only going to get worse.
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Eleaf iStick...
Posted by Linda Spagone on Aug 1st 2025
I love the Eleaf iStick 30w but it was out of stock so I tried the 40w. I love that one too but don't like that it doesn't come in more colors.
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Always the best at...
Posted by Barbara Miller on Aug 1st 2025
Always the best at selection, price and fast shipping.
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Easy...
Posted by Robert Dye on Jul 12th 2025
Easy ordering, fast shipping. Been using this model for years. Great service
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Eleaf iStick...
Posted by Cindy Butler on Jul 5th 2025
I wrote to you informing you I have not received the Eleaf. It seems to have disappeared after it cleared Canada Customs. It would be appreciated if you could track this on your end and I will try from here. Thank You.
Cindy Butler -
Great...
Posted by Mary Sechrest Myers on Jul 3rd 2025
Great battery. I've used them for years. Light weight and keeps a good long charge.
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Eleaf I stick...
Posted by nancy jaeger on Jun 26th 2025
They are a good product. Love them.
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I love it, I have been using this for many years....
Posted by Yvonne Courtney on Jun 7th 2025
I love it, I have been using this for many years. Reliable and easy.
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Excellent product that’s why I keep using themI’m
Posted by Jack Madalena on Jun 3rd 2025
Product is user-friendly, easy to handle that’s why I keep using them
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Love 'em...my wicks are lasting longer now!!
Posted by Roger Street on May 1st 2025
Love 'em...my wicks are lasting longer now!!
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Great for...
Posted by JonnyVapor on Apr 29th 2025
Been vaping for years. Enjoy this battery for its BVC coils and low wattage
Showing reviews 1-20 of 76 | Next
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