Price (USD)
Close callAUXO Celsius
$250
Firefly 2+
$250
Pricing is very close between both devices.
Vaporizer Comparison
AUXO Celsius vs Firefly 2+
AUXO Celsius
VS
Firefly 2+
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
AUXO Celsius and Firefly 2+ are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($250 vs $250). Firefly 2+ has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
22
Different Specs
20
Shared Specs
2
Overall Overlap
9%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Firefly 2+ edgeAUXO Celsius
6-30 seconds
Firefly 2+
~3 seconds
Firefly 2+ has the quicker listed heat-up profile.
Heating Style
Close callAUXO Celsius
Hybrid (Primarily Conduction)
Firefly 2+
—
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Heating Type
AUXO Celsius
Hybrid (Primarily Conduction)
vs
Firefly 2+
—
Heat Up Time
AUXO Celsius
6-30 seconds
vs
Firefly 2+
~3 seconds
Temperature Range
AUXO Celsius
—
vs
Firefly 2+
93°C - 260°C
Battery Capacity
AUXO Celsius
1000mAh
vs
Firefly 2+
770mAh
Battery Life
AUXO Celsius
—
vs
Firefly 2+
<90 minutes
Charging
AUXO Celsius
USB-C
vs
Firefly 2+
—
Charge Time
AUXO Celsius
1.5 hours
vs
Firefly 2+
~45 minutes
Pass-Through Charging
AUXO Celsius
—
vs
Firefly 2+
No
Dimensions
AUXO Celsius
—
vs
Firefly 2+
129x36x24mm
Power Adjustment
AUXO Celsius
Modular - 4 Stages (and an app controlled custom mode)
vs
Firefly 2+
—
Choose AUXO Celsius if...
- You prefer a hybrid (primarily conduction) heating profile.
- Your usage leans toward conduction and hybrid sessions.
- You prefer AUXO Celsius's overall feature mix and form factor.
Choose Firefly 2+ if...
- You care about faster heat-up time for quicker sessions.
- You prefer a — heating profile.
- Your usage leans toward premium and battery swap sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
20 differ 2 shared
| Specification | AUXO Celsius | Firefly 2+ |
|---|---|---|
| Price (USD) | $250 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid (Primarily Conduction) | — |
| Heat Up Time | 6-30 seconds | ~3 seconds |
| Temperature Range | — | 93°C - 260°C |
| Battery Capacity | 1000mAh | 770mAh |
| Battery Life | — | <90 minutes |
| Charging | USB-C | — |
| Charge Time | 1.5 hours | ~45 minutes |
| Pass-Through Charging | — | No |
| Dimensions | — | 129x36x24mm |
| Power Adjustment | Modular - 4 Stages (and an app controlled custom mode) | — |
| Oven Type | Quarts | — |
| Brand | AUXO | Firefly Vapor |
| App Support | Yes | — |
| Battery Tech | Lithium-ion | — |
| Capacity | 0.3g dry herbs or 0.05g when using concentrates | — |
| Chamber Type | — | Ceramic |
| Concentrate Support | Yes | — |
| Haptic Feedback | Yes | — |
| Mouthpiece Material | Zirconia | — |
| Primary Case Material | Aluminum Alloy | — |
Comparison FAQs
What is the biggest difference between the AUXO Celsius and the Firefly 2+?
There's no single headline gap. The differences are spread across 20 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Which heats up faster, the AUXO Celsius or the Firefly 2+?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the AUXO Celsius takes 6-30 seconds. That's roughly 15 seconds quicker on the Firefly 2+, which is useful if you want shorter, on-demand sessions.
Which is cheaper, the AUXO Celsius or the Firefly 2+?
Listed prices are close: $250 for the AUXO Celsius versus $250 for the Firefly 2+. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I use concentrates with the AUXO Celsius or the Firefly 2+?
Only the AUXO Celsius supports concentrates out of the box. The Firefly 2+ is dry-herb-only by design.
Which charges faster, the AUXO Celsius or the Firefly 2+?
Firefly 2+ fully charges in ~45 minutes, ahead of 1.5 hours on the AUXO Celsius.
Which is more discreet, the AUXO Celsius or the Firefly 2+?
AUXO Celsius is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the Firefly 2+ is more conspicuous in hand and harder to keep out of sight.
Is the AUXO Celsius or the Firefly 2+ better for microdosing?
Firefly 2+ is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.