KandyPens Donuts vape pen is unique in that it uses one of the first coil-less ceramic “donut” heaters that not only works, it works well. The main difference between KandyPens Donuts Heaters and vape pen heaters that use coils is the SloBurn technology. Instead of blasting your concentrated material with heat through a coil, the ceramic donut shaped disc on the bottom of the chamber heats slowly. Less vapor production is apparent when exhaling, but the uplifting effect on the mind is still ever-present!
Look and Feel
KandyPens as has vibrant, shiny, candy coated feel to the vape pen. It’s small and very discreet to hold in your hand. The button is raised which makes finding and pushing it quite easy. A 510 thread, 350 mAh top charging battery has color coded lights to tell you the voltage level. The light coding is a little unintuitive for me as red = low, green = medium, and blue = high. I always think of red as hottest but this is not the case with the Donuts vape pen.
Ease of Use
Using the KandyPens Donuts vape pen is very simple. Charge up the battery, load your wax with the provided load tool, set the voltage/temperature and inhale the goodness. Take care to keep concentrated materials off the threads and battery contact, ISO alcohol will keep your vape clean and happy.
As with any vape pen, KandyPens Donuts heaters are a consumable part and will need to be replaced here and there. Heater life can be prolonged by not overpacking the chamber, which can hold .5 grams of concentrate. If you feel the need to put in this much, you will need to use the included stir tool to even out the material as it will stick to the sides once cooled.
Battery/Session Time
Three voltage settings are available and Kandypens states there are three temperature settings that 
coincide with the voltage: 350 F, 390 F and 430 F. I’m not sure how accurate these heat settings are, so if you are into really accurate temperature control I would suggest a different device. What is nice about the voltage settings is that when the battery seems to be getting low, cranking it up a notch will help prolong your session.
The Kandypens Donuts vape pen battery is a top charger. You will need to remove the top heater portion from the battery unit and screw on the charger to the top of the battery. This means you will have to wait a little over an hour before your next session as it cannot be used while charging.
Battery life is what one can expect from a 350 mAh battery. Appealing as discretion may be to those living in less tolerant parts of the world, discretion and battery longevity do not come hand in hand. If you want a small, inconspicuous vape pen that gives very light (but effective!) vapor hits, this one is for you. If you want a long lasting battery with monster vapor clouds, move along.
Versatility
Wax and concentrated oils should only be used in this vapor pen. That said, the versatility rating isn’t as high as say the DaVinci Ascent that can vaporize both wax and herbs with ease. Or to go even further the Have V3 can also vape liquid e-juice which makes it the most versatile of the vape kingdom. Granted you lose the sleek pen form factor when versatility is the criteria.
A slim pen has yet to be designed that can effectively vaporize both herbs and wax. The day will come, it’s just not here today! Many manufacturers will claim their slim pen will vaporize both herbs and wax, but if you look at the plant material coming out of these pen heaters, you will see they actually combusted.
Portability
A clamp shell case holds the pen, charger and small dabber load tool. I usually carry my vape pens upright in the side pocket of my purse for running around on the daily. However, the case is nice to have to keep all the necessities together in one place if traveling or when I don’t necessarily need it on my person.
Heat Up Time
Instant. Push the button and begin puffing lightly and slowly. This is where the slow burn technology comes into play. If you are used to coiled vape pen heaters that give a blast of nail-like vapor hits, you will think this is weak sauce if you’re not prepared for it.
Flavor/Taste
Vapor production is very light with the SloBurn technology coined by Kandypens. Since the ceramic dish is 
running at a slower and lower temperature it seems gentler on the extracts compared to traditional titanium/ceramic heaters. This gentle effect creates very flavorful hits.
Durability
Vape pens like the Kandypens Donuts are quite durable as there are no glass or moving parts. Things to look out for: keeping threads aligned while screwing down the heater and battery, removing heater from battery portion if putting in pants pocket (trust us on this one).
Other than those two points, the pen is pretty hard to break. A very hard fall could break the connections in the heater, and the yummy candy coating could scratch off if one tried hard enough. However, these are things that can be remedied with a new heater and some creative paint mend. The overall vaporizer experience will not be effected easily by tumbles and falls.
Price
Buy KandyPens Donuts: $99.99 at VaporWarehouse. We usually have a coupon code floating around here somewhere that applies.
Warranty
Kandypens offers a Lifetime Warranty on the battery. When I challenged their customer service rep and asked “Whose lifetime?” They responded “Yours, your lifetime.” What? How do they do that? So according to their support chat attendant on duty that day if the battery needs replacing, even 42 years later, you will get your battery.
KandyPens has made quite the name for themselves in the vaporizer community. Winning multiple High Times awards for “Best Vapor Pen of 2015” for their Black Edition and Sky Cloud pens. Judging by the awards and quality of products, this company knows what they are doing.