Price (USD)
Boundless Terp Pen XL edgeBoundless Terp Pen XL
$55
Tempest
$247
Boundless Terp Pen XL is typically around $192 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen XL
Boundless Technology $55
Tempest
Mad Heaters $247
Boundless Terp Pen XL and Tempest are both portable vaporizers, but they target different priorities. Boundless Terp Pen XL is usually the lower-cost pick at $55, around $192 below Tempest. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
21
Different Specs
20
Shared Specs
1
Overall Overlap
5%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless Terp Pen XL
$55
Tempest
$247
Boundless Terp Pen XL is typically around $192 lower.
Boundless Terp Pen XL
Conduction
Tempest
Convection-heavy with some conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen XL
$55
Tempest
$247
Heating Type
Boundless Terp Pen XL
Conduction
Tempest
Convection-heavy with some conduction
Temperature Range
Boundless Terp Pen XL
698°F - 779°F (370°C - 415°C)
Tempest
N/A
Battery Type
Boundless Terp Pen XL
Internal
Tempest
None
Battery Capacity
Boundless Terp Pen XL
320mAh
Tempest
N/A
Charging
Boundless Terp Pen XL
Micro USB
Tempest
N/A
Charge Time
Boundless Terp Pen XL
~45 minutes
Tempest
N/A
Power Adjustment
Boundless Terp Pen XL
Modular - 3 stage
Tempest
Manual
Chamber Material
Boundless Terp Pen XL
Ceramic
Tempest
Titanium
Brand
Boundless Terp Pen XL
Boundless Technology
Tempest
Mad Heaters
Direct comparison of every spec from each device profile.
| Specification | Boundless Terp Pen XL | Tempest |
|---|---|---|
| Price (USD) | $55 | $247 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection-heavy with some conduction |
| Temperature Range | 698°F - 779°F (370°C - 415°C) | N/A |
| Chamber Capacity | — | 0.075g - 0.15g |
| Battery Type | Internal | None |
| Battery Capacity | 320mAh | N/A |
| Battery Life | — | N/A |
| Charging | Micro USB | N/A |
| Charge Time | ~45 minutes | N/A |
| Dimensions | 16x149x16mm | — |
| Power Adjustment | Modular - 3 stage | Manual |
| Chamber Material | Ceramic | Titanium |
| Concentrate Support | Yes | — |
| Brand | Boundless Technology | Mad Heaters |
| Adjustable Airflow | No | Yes |
| Ball Size | — | 2.5mm Zirconia |
| Country of Manufacture | China | Made in China, Assembled in the UK |
| Release Date | 2020 | — |
| Session Style | On-Demand | — |
| Warranty | 3 years | — |
The biggest practical difference is price tier: the Boundless Terp Pen XL sits at $55 while the Tempest is $247, a gap of about $192 that puts them in different buying brackets.
Boundless Terp Pen XL is the cheaper option at $55 compared with $247 for the Tempest, about $192 less. Live retailer pricing can shift, so confirm before buying.
Boundless Terp Pen XL uses conduction heating, while the Tempest uses convection-heavy with some conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Boundless Terp Pen XL controls heat with modular - 3 stage, while the Tempest uses manual. Both let you change temperature, just with different levels of precision.
Boundless Terp Pen XL is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the Tempest is more conspicuous in hand and harder to keep out of sight.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.