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Vaporizer Comparison

G Pen Connect vs Tempest 2

Side-by-side specs, pricing context, and clear decision guidance.

G Pen Connect

G Pen Connect

Grenco Science from $179.95

VS
Tempest 2

Tempest 2

Mad Heaters from £149.17 GBP

Editorial Summary

G Pen Connect and Tempest 2 are both portable vaporizers, but they target different priorities. Their listed prices are close ($180 vs $179). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.

Specs Compared

24

Different Specs

22

Shared Specs

2

Overall Overlap

8%

Shared Traits

Portable

Head-to-Head Highlights

A quick snapshot of the specs people usually care about first.

Price (USD)

Close call

G Pen Connect

$180

Tempest 2

$179

Pricing is very close between both devices.

Heating Style

Close call

G Pen Connect

Conduction

Tempest 2

Convection-heavy with thermal ball matrix

Heating style differs, which can impact flavor and extraction behavior.

Key Differences at a Glance

Top specs where these two devices diverge.

10 differences

Price (USD)

G Pen Connect

$180

Tempest 2

$179

Heating Type

G Pen Connect

Conduction

Tempest 2

Convection-heavy with thermal ball matrix

Temperature Range

G Pen Connect

180°C - 220°C (356°F - 428°F)

Tempest 2

N/A

Battery Type

G Pen Connect

Internal

Tempest 2

None

Battery Capacity

G Pen Connect

850mAh

Tempest 2

N/A

Battery Life

G Pen Connect

10-15 sessions

Tempest 2

N/A

Charging

G Pen Connect

Micro-USB

Tempest 2

N/A

Charge Time

G Pen Connect

~2 hours

Tempest 2

N/A

Dimensions

G Pen Connect

79.1x59x22.4mm

Tempest 2

122mm x 18.5mm

Power Adjustment

G Pen Connect

Digital Control - 3 Stage Modular

Tempest 2

Visual gauge with click indicators

Choose G Pen Connect if...

  • You prefer a conduction heating profile.
  • Your usage leans toward concentrates and conduction sessions.
  • You prefer G Pen Connect's overall feature mix and form factor.

Current price

$179.95

at Slick Vapes

Check price
View full profile

Choose Tempest 2 if...

  • You prefer a convection-heavy with thermal ball matrix heating profile.
  • Your usage leans toward analog and premium sessions.
  • You prefer Tempest 2's overall feature mix and form factor.

Current price

£149.17GBP

at Mad Heaters

Check price
View full profile

Prices are read automatically from retailer pages and were last checked Aug 27, 2026; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.

Spec Comparison Table

Direct comparison of every spec from each device profile.

22 differ 2 shared
SpecificationG Pen ConnectTempest 2
Price (USD) $180$179
Device Type PortablePortable
Heating Type ConductionConvection-heavy with thermal ball matrix
Heat Up Time ~30-45 seconds with torch
Temperature Range 180°C - 220°C (356°F - 428°F)N/A
Chamber Capacity 0.1g - 0.2g (adjustable)
Battery Type InternalNone
Battery Capacity 850mAhN/A
Battery Life 10-15 sessionsN/A
Charging Micro-USBN/A
Charge Time ~2 hoursN/A
Dimensions 79.1x59x22.4mm122mm x 18.5mm
Weight 46g
Power Adjustment Digital Control - 3 Stage ModularVisual gauge with click indicators
Chamber Material CeramicTitanium
Concentrate Support Yes
Brand Grenco ScienceMad Heaters
Adjustable Airflow Yes
Body Material Grade 5 titanium, aluminum heat shield, stainless steel
Country of Manufacture Made in China, Assembled in the UK
Haptic Feedback No
Heating Element Ceramic
Release Date 2019
Warranty 1 year1 year

Comparison FAQs

What is the biggest difference between the G Pen Connect and the Tempest 2?

The biggest practical difference is heating approach: G Pen Connect runs conduction while Tempest 2 runs convection-heavy with thermal ball matrix. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.

What's the difference in heating between the G Pen Connect and the Tempest 2?

G Pen Connect uses conduction heating, while the Tempest 2 uses convection-heavy with thermal ball matrix. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Which is cheaper, the G Pen Connect or the Tempest 2?

Listed prices are close: $180 for the G Pen Connect versus $179 for the Tempest 2. Day-to-day price will likely come down to whichever retailer is running a promotion.

Can I set custom temperatures on the G Pen Connect or the Tempest 2?

G Pen Connect controls heat with digital control - 3 stage modular, while the Tempest 2 uses visual gauge with click indicators. G Pen Connect gives you finer per-degree control.

What battery life can I expect from the G Pen Connect and the Tempest 2?

G Pen Connect's spec sheet lists 10-15 sessions; the Tempest 2 lists N/A. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.

How similar are the G Pen Connect and the Tempest 2?

Across the 24 specs we line up, they share 2 and differ on 22, an overlap of about 8%. The differences are concentrated in the areas the spec table highlights with a marker.

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