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Vaporizer Comparison

G Pen Roam vs POTV Lobo

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

G Pen Roam

G Pen Roam

Grenco Science $200

VS
POTV Lobo

POTV Lobo

Planet of the Vapes $160

Editorial Summary

G Pen Roam and POTV Lobo are both portable / electronic vaporizers, but they target different priorities. POTV Lobo is usually the lower-cost pick at $160, around $40 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.

Specs Compared

23

Different Specs

22

Shared Specs

1

Overall Overlap

4%

Shared Traits

Portable Electronic

Head-to-Head Highlights

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

Price (USD)

POTV Lobo edge

G Pen Roam

$200

POTV Lobo

$160

POTV Lobo is typically around $40 lower.

Heat-Up Time

G Pen Roam edge

G Pen Roam

~5 seconds

POTV Lobo

~40 seconds

G Pen Roam has the quicker listed heat-up profile.

Weight

POTV Lobo edge

G Pen Roam

~317g

POTV Lobo

150g without stem, 156g with dimpled stem

POTV Lobo is the lighter listed unit.

Heating Style

Close call

G Pen Roam

Conduction

POTV Lobo

Dynamic Hybrid

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 Roam

$200

POTV Lobo

$160

Heating Type

G Pen Roam

Conduction

POTV Lobo

Dynamic Hybrid

Heat Up Time

G Pen Roam

~5 seconds

POTV Lobo

~40 seconds

Temperature Range

G Pen Roam

204°C - 427°C (400°F - 800°F)

POTV Lobo

160-221°C (320-430°F)

Battery Type

G Pen Roam

Internal

POTV Lobo

Samsung 35E 3500mAh 8A (replaceable flat-top 18650)

Battery Life

G Pen Roam

15-20 sessions

POTV Lobo

Up to ~10 sessions per charge

Charging

G Pen Roam

Micro-USB

POTV Lobo

USB-C

Dimensions

G Pen Roam

178x127x102mm

POTV Lobo

8.89cm H without stem, 10.16cm H with dimpled stem, 5.4cm W, 2.85cm D

Weight

G Pen Roam

~317g

POTV Lobo

150g without stem, 156g with dimpled stem

Power Adjustment

G Pen Roam

Digital Control

POTV Lobo

Digital (LCD)

Choose G Pen Roam if...

  • You care about faster heat-up time for quicker sessions.
  • You prefer a conduction heating profile.
  • Your usage leans toward concentrates sessions.
View G Pen Roam Profile

Choose POTV Lobo if...

  • You want the lower listed entry price ($160 vs $200).
  • You want the lighter unit for carrying and travel.
  • You prefer a dynamic hybrid heating profile.
  • Your usage leans toward hybrid and budget sessions.
View POTV Lobo Profile

Spec Comparison Table

Direct comparison of every spec from each device profile.

22 differ 1 shared
SpecificationG Pen RoamPOTV Lobo
Price (USD) $200$160
Device Type PortablePortable
Heating Type ConductionDynamic Hybrid
Heat Up Time ~5 seconds~40 seconds
Temperature Range 204°C - 427°C (400°F - 800°F)160-221°C (320-430°F)
Chamber Capacity 0.2g
Battery Type InternalSamsung 35E 3500mAh 8A (replaceable flat-top 18650)
Battery Capacity 1300mAh
Battery Life 15-20 sessionsUp to ~10 sessions per charge
Charging Micro-USBUSB-C
Charge Time ~2 hours
Dimensions 178x127x102mm8.89cm H without stem, 10.16cm H with dimpled stem, 5.4cm W, 2.85cm D
Weight ~317g150g without stem, 156g with dimpled stem
Power Adjustment Digital ControlDigital (LCD)
Chamber Material QuartzTitanium
Concentrate Support YesSupported with included concentrate pad in the dosing capsule (use very small amounts)
Brand Grenco SciencePlanet of the Vapes
Adjustable Airflow No
Display Type LED
Haptic Feedback Yes
Release Date 20202023
Session Style Session
Warranty 1 year2 years through POTV

Comparison FAQs

What is the biggest difference between the G Pen Roam and the POTV Lobo?

The biggest practical difference is heating approach: G Pen Roam runs conduction while POTV Lobo runs dynamic hybrid. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.

Which is cheaper, the G Pen Roam or the POTV Lobo?

POTV Lobo is the cheaper option at $160 compared with $200 for the G Pen Roam, about $40 less. Live retailer pricing can shift, so confirm before buying.

Which heats up faster, the G Pen Roam or the POTV Lobo?

G Pen Roam reaches session-ready temperature in ~5 seconds, while the POTV Lobo takes ~40 seconds. That's roughly 35 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.

What's the difference in heating between the G Pen Roam and the POTV Lobo?

G Pen Roam uses conduction heating, while the POTV Lobo uses dynamic hybrid. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Which is lighter, the G Pen Roam or the POTV Lobo?

POTV Lobo is the lighter unit at 150g without stem, 156g with dimpled stem, around 167g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.

Can I swap the batteries on the G Pen Roam or the POTV Lobo?

POTV Lobo uses samsung 35e 3500mah 8a (replaceable flat-top 18650), so you can carry spares for back-to-back days. The G Pen Roam has a built-in battery you can't swap on the go.

What battery life can I expect from the G Pen Roam and the POTV Lobo?

G Pen Roam's spec sheet lists 15-20 sessions; the POTV Lobo lists Up to ~10 sessions per charge. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.

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