Fume Infinity Plus 4500 Review (2026)

The Infinity Plus 4500 works best as a steady workhorse. In our hands-on testing, the draw stayed reliable, the hit stayed firm, and the device had enough runway for heavy days without feeling high-maintenance. The tradeoffs are a bulkier body, more mouthpiece moisture late in life, and almost no room to tune the draw.

• Who It’s For

  • Adults who burn through smaller disposables too fast

  • Users who like a firmer, quicker throat hit

  • Anyone who finds battery and e-liquid indicators useful for pacing

• Who It’s Not For

  • Users who want adjustable airflow or a looser draw

  • People who hate thicker devices in a front pocket

  • Anyone looking for lower-intensity nicotine sessions

Nicotine products are for adults only and not for minors, pregnant people, or non-nicotine users; these notes reflect testing impressions, not medical advice.

Using our standard vape testing workflow, we ran the device across commute windows, desk breaks, and longer evening sessions, scoring Flavor, Throat Hit, Vapor Production, Airflow/Draw, Battery Life, Leak Resistance, Build Quality, Ease of Use, and Portability. We also watched how the sensor handled quick puffs versus longer pulls, how steady the output stayed over time, how often recharging became necessary, and when condensation started to show up around the mouthpiece.

I started with short pulls during a morning commute—about two seconds at a time—to see whether the sensor needed a warm-up puff. It didn’t. The draw came on cleanly, the vapor felt a little thicker and warmer than I expected, and the flavor stayed full through most of the middle stretch. In actual testing, our usable log landed at roughly 4,300 puffs before the taste started to flatten, which is close to the 4,500-puff claim.

Marcus Reed pushed it harder with longer chains at home and outside, mostly watching for heat buildup and any scorched edge late in the day. Jamal Davis treated it like a daily-carry disposable, taking quick hits while walking or between tasks and paying attention to pocket feel, mouthpiece moisture, and whether the indicators made day-to-day planning easier.

• What we liked

  • Confident draw activation with steady output

  • Bold flavor through the early and mid-life stretch

  • Recharging and indicator cues make pacing easier

• Who it is best for

  • Adults who want one disposable to cover a full day or more

  • Users who prefer a firmer MTL-style draw over an airy pull

  • People who want a fast, immediate nicotine arrival

• Where it falls short

  • Noticeably thicker than pocket-first disposables

  • More condensation and mouthpiece moisture late in life

  • Very little tuning if you want airflow control or different modes

• Price at review: $17.49.

• Device type: Disposable, draw-activated.

• Rated run: up to 4,500 puffs; our usable logs landed around 4,300 before flavor softened.

• E-liquid setup: prefilled disposable format.

• Nicotine strength: 5% nicotine salt.

• Battery: rechargeable internal battery.

• Charging: wired recharging.

• Status cues: battery and e-liquid indicators.

Choose it if you want a rechargeable disposable with a firmer draw, a quicker nicotine arrival, and enough lifespan that you are not thinking about replacements every day or two. It suits MTL-leaning users who care more about steady output than airflow tinkering. Skip it if you want the smallest possible carry, a loose draw, or a gentler low-nicotine routine. If you want more screen-driven control, Geek Bar Pulse is the feature-heavier option; if you want easier pocket carry, Lost Mary OS5000 makes more sense.

The Infinity Plus 4500 is strongest when you use it as a dependable one-device option, but its tradeoffs show up fast if carry comfort and long-session cleanliness matter most.

• Bulkier profile than pocket-first disposables

• Condensation and mouthpiece moisture increase near end of life

• Limited tuning for airflow preferences or session intensity

• Why choose it

  • You want a longer-running disposable with recharging and indicator cues

  • You prefer a firmer, MTL-style draw and a faster throat hit

  • You want consistent output without refilling or much fiddling

• Alternatives to consider

  • Geek Bar Pulse: better if you want more display feedback and selectable output modes.

  • Lost Mary OS5000: better if you want a smaller, more ergonomic rechargeable carry with a battery indicator.

  • Flum Pebble 6000: better if you want a palm-friendly option with straightforward flavor and recharge support.

• Take shorter pulls—about one to two seconds—when the flavor starts tasting too sweet; it usually cleans up the profile.

• If the draw feels wet, wipe the mouthpiece and leave the device upright for a few minutes to reduce condensation.

• Treat recharging as a top-up habit, not an emergency fix; smaller charges kept output steadier in our testing.

• Avoid leaving it in a hot car; heat makes sweetness heavier and can worsen moisture buildup.

• When the indicator starts looking low, slow your puff frequency; chain hits late in the device’s life dull flavor faster.

• Use a dedicated pocket or sleeve so lint does not collect around the mouthpiece.

• Rotate flavors if you are a heavy user; one flavor all day is the fastest route to palate fatigue.

• Store it upright overnight to reduce morning mouthpiece moisture.