Smyle Labs Penjamin Permanent Marker Cart Battery (21)
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Smyle Labs Penjamin Permanent Marker Cart Battery – 4g Compatible, Discreet Vape Battery
The Penjamin Permanent Marker Cart Battery by Smyle™ Labs is the ultimate in stealth and innovation. Designed to look like a real working permanent marker, this sleek and compact device securely holds cartridges up to 4.0g inside, making it the perfect portable solution for discreet aromatherapy on the go.
Built for both beginners and experienced users, this stealthy cart battery combines innovation with performance. Whether you use 1g, 2g, or 4g cartridges, the Penjamin Marker Battery offers powerful hits with an ultra-clean and discreet appearance.
Perfect for THCa, Delta-8, CBD, and other compatible vape carts—this is the must-have cart battery for users who value privacy, portability, and performance.
🔥 Key Features
Real Marker Functionality – Looks and feels just like a traditional office marker.
Fits 4g+ Carts – Compatible with large-capacity aroma carts.
Extra Tall Cap – Ensures snug fit and total concealment.
Preheat Function – Activates oils smoothly and efficiently.
Variable Voltage Settings – Customize your session with multiple heat levels.
Pocket-Friendly Design – Slim, lightweight, and easy to carry.
🌟 Is this considered a Tobacco or Vape Product?
No, the Penjamin Permanent Marker Cart Battery by Smyle™ Labs is not a tobacco or vape product. It is a discreet, aromatherapy device designed to resemble a real permanent marker. While it is compatible with THCa, Delta-8, CBD, and other 510-threaded cartridges, the device itself contains no tobacco, nicotine, or consumable substances. It’s intended solely as a battery for aromatherapy use, offering a clean and portable solution for those who value privacy and performance.
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21 reviews for Smyle Labs Penjamin Permanent Marker Cart Battery
Only logged in customers who have purchased this product may leave a review.
- July 28, 2026Strain: BlackHow was the high?: Relaxed, body high
Would you recommend this product?: Yes, but I'd choose a different flavor
Boba BoyzI've been using this battery with my Boba Boyz 1g carts and it's been great so far. The design is fun and gets a lot of comments, but it also works really well. The battery feels solid, hits consistently, and the carts fit tightly. It's easy to carry around and has been reliable every time I've used it. If you're looking for a unique 510 battery that performs just as well as it looks, I'd definitely recommend it. - July 28, 2026Strain: BlackHow was the high?: Relaxed, body high
Would you recommend this product?: Yes, but I'd choose a different flavor
Boba BoyzI've been using this battery with my Boba Boyz 1g carts and it's been great so far. The design is fun and gets a lot of comments, but it also works really well. The battery feels solid, hits consistently, and the carts fit tightly. It's easy to carry around and has been reliable every time I've used it. If you're looking for a unique 510 battery that performs just as well as it looks, I'd definitely recommend it. - July 28, 2026Strain: BlackHow was the high?: Relaxed, body high
Would you recommend this product?: Yes, I'd buy it again
Works good and easy to hideBattery works pretty good and overall does its job on staying hidden. would recommend if you have the pocket space
- April 4, 2026Strain: SilverHow was the high?: Happy and euphoric
Would you recommend this product?: Yes, I'd buy it again
Works greatWorks great and fits my carts perfectly, was super easy to figure out and set up. Looks realistic and the marker actually working as a marker was a fun surprise! The pre-heat and different settings are all really nice as well. The actual full device was a little larger than expected but it was no problem and I would recommend as a good cheaper battery. 👌 - July 13, 2026Strain: SilverHow was the high?: Mental high: creative, focused, altered perception
Would you recommend this product?: Yes, but I'd choose a different flavor
My manager thought this was coolOverall its good, it got a laugh from my friends and manager. 😂 But dont expect to be able to use it as a regular marker for more than a few weeks. but as a cart battery, it does the job, the preheat feature is good, $20 well spent - July 4, 2026Strain: SilverHow was the high?: Mental high: creative, focused, altered perception
Would you recommend this product?: Yes, I'd buy it again
Works just as intendedIt’s great and perfect for discreet ways of hitting your pen, I love it and can finally use the better options of 2g and 4g carts. I love my purchase and will 100% buy this again if my current one breaks. This is perfect for on the go and the functionality of the pen is even greater. I love how simple and easy it is to use and how fast I can twist my new cart on.
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Josh281123 (verified owner) –
The Penjamin Marker Battery by Smyle Labs is clean and slick. Looks just like a real marker for max discretion. Super easy to use, charges quick, and works with all my carts no problem. Hits great and battery lasts long. A+ for portability and stealth. Definitely recommend for anyone who’s on the go. Perfect for school time once I almost got caught but they didn’t check the marker I was good
Simpjr Simp (verified owner) –
I liked this 1 because its so easy 2 because.. well it looks like a marker im sure almost everyone who bought this wanted a way to smoke without it looking suspious in a sense yes smoking a marker still look crazy but its good because some places would let this slide not because they want to but because they don’t know lol this my first time actually investing in a battery i wanna save money and this a cool way to do it thank you
Olivia a (verified owner) –
It’s very discrete and the battery lasts pretty long!
Charles Alexander (verified owner) –
This was definitely an experience, I can’t believe how discreet it is. Perfect for locations where you don’t want to be seen in that aspect
Andrew Williams (verified owner) –
these are very very discreet and work very wellThe Penjamin Permanent Marker Cart Battery by Smyle™ Labs is the ultimate in stealth and innovation. Designed to look like a real working permanent marker, this sleek and compact device securely holds cartridges up to 4.0g inside, making it the perfect portable solution for discreet aromatherapy on the go.
Landen Griffis (verified owner) –
very good
Lisa Tarallo (verified owner) –
Works great. It’s very unique. I liked it so much I ordered the pen to try as well
Monserrat Barajas (verified owner) –
Extremely good for hiding and its pretty professional
jimmy m (verified owner) –
Good battery nice and very hidden camera in 2 days would be buying again
loubens francois (verified owner) –
yeh good sure yeh good sure yeh good sure yeh good sure
EDWIN GOODRIDGE (verified owner) –
It’s a cute item, but more importantly, it is a great battery!!
milly brown (verified owner) –
This battery is good, I love the preheat features on it. No one would notice that it’s even a cart battery, it’s a very sleek design, also the battery last pretty long.
P. L. (verified owner) –
Works great and fits my carts perfectly, was super easy to figure out and set up. Looks realistic and the marker actually working as a marker was a fun surprise! The pre-heat and different settings are all really nice as well. The actual full device was a little larger than expected but it was no problem and I would recommend as a good cheaper battery. 👌
kayla samuels (verified owner) –
I’d recommend everyone buys this pen!
Christy Solis (verified owner) –
Smaller pen lid became very loose quickly but the bigger one is still tight. Otherwise great, battery lasts almost a full cartridge.
wesley goodspeed@gmail.com (verified owner) –
good voltages easy to hide metal body so its durable
Jasmine Slone (verified owner) –
Perfect for being discrete it’s a little big but not to bad charges super fast
Kole (verified owner) –
It’s great and perfect for discreet ways of hitting your pen, I love it and can finally use the better options of 2g and 4g carts. I love my purchase and will 100% buy this again if my current one breaks. This is perfect for on the go and the functionality of the pen is even greater. I love how simple and easy it is to use and how fast I can twist my new cart on.
Anashe Mukahanana (verified owner) –
Overall its good, it got a laugh from my friends and manager. 😂 But dont expect to be able to use it as a regular marker for more than a few weeks. but as a cart battery, it does the job, the preheat feature is good, $20 well spent
Terrence Myers (verified owner) –
Battery works pretty good and overall does its job on staying hidden. would recommend if you have the pocket space
Cj (verified owner) –
I’ve been using this battery with my Boba Boyz 1g carts and it’s been great so far. The design is fun and gets a lot of comments, but it also works really well. The battery feels solid, hits consistently, and the carts fit tightly. It’s easy to carry around and has been reliable every time I’ve used it. If you’re looking for a unique 510 battery that performs just as well as it looks, I’d definitely recommend it.