Price (USD)
Close / ContextualBoundless Terp Pen XL
$55
Kingtons Black Widow
$65
Pricing is very close between both devices.


Side-by-side vaporizer comparison including specs, pricing context, and decision guidance.
Boundless Terp Pen XL and Kingtons Black Widow are both portable / discrete vaporizers, but they target different priorities. Their listed prices are close ($55 vs $65). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
15
Different Specs
14
Shared Specs
1
Overall Overlap
7%
Shared Traits
Quick snapshot of the specs people usually care about first.
Boundless Terp Pen XL
$55
Kingtons Black Widow
$65
Pricing is very close between both devices.
Boundless Terp Pen XL
—
Kingtons Black Widow
<30 seconds
Both devices are in a similar heat-up range.
Boundless Terp Pen XL
—
Kingtons Black Widow
190 grams
Weight is close enough that portability is likely similar.
Boundless Terp Pen XL
Conduction
Kingtons Black Widow
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen XL
$55
Kingtons Black Widow
$65
Device Type
Boundless Terp Pen XL
Portable
Kingtons Black Widow
—
Heat Up Time
Boundless Terp Pen XL
—
Kingtons Black Widow
<30 seconds
Temperature Range
Boundless Terp Pen XL
—
Kingtons Black Widow
180°C - 220°C (356 - 428°F)
Battery Type
Boundless Terp Pen XL
Internal
Kingtons Black Widow
—
Battery Capacity
Boundless Terp Pen XL
320mAh
Kingtons Black Widow
2200mAh
Charging
Boundless Terp Pen XL
—
Kingtons Black Widow
Micro USB
Charge Time
Boundless Terp Pen XL
—
Kingtons Black Widow
3-4 hours
Dimensions
Boundless Terp Pen XL
16x149x16mm
Kingtons Black Widow
128 x 44 x 26mm
Weight
Boundless Terp Pen XL
—
Kingtons Black Widow
190 grams
Direct comparison of shared and unique specifications from each device profile. (14 differences, 1 overlaps)
| Specification | Boundless Terp Pen XL | Kingtons Black Widow |
|---|---|---|
| Price (USD) diff | $55 | $65 |
| Device Type diff | Portable | — |
| Heating Type | Conduction | Conduction |
| Heat Up Time diff | — | <30 seconds |
| Temperature Range diff | — | 180°C - 220°C (356 - 428°F) |
| Battery Type diff | Internal | — |
| Battery Capacity diff | 320mAh | 2200mAh |
| Charging diff | — | Micro USB |
| Charge Time diff | — | 3-4 hours |
| Dimensions diff | 16x149x16mm | 128 x 44 x 26mm |
| Weight diff | — | 190 grams |
| Power Adjustment diff | — | Modular - 5 Stages |
| Oven Type diff | Ceramic | — |
| Brand diff | Boundless Technology | Kingtons |
| Temperature Control diff | Modular - 3 stage | — |
Neither is universally better. Boundless Terp Pen XL fits some priorities, while Kingtons Black Widow fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
Boundless Terp Pen XL is listed lower ($55) compared with Kingtons Black Widow ($65), but live retailer pricing can change.
Published heat-up data differs by source, so practical session feel may matter more than one raw number.
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.