The GeekVape S100 (Aegis Solo 2) Starter Kit is a rugged, single-18650, up-to-100W box-mod kit paired with GeekVape’s Z (Zeus) Sub-Ohm 2021 tank, aimed at adult nicotine users who want a durable daily driver with leak-resistant airflow. It shines on build toughness and clean, consistent power, but the single-battery setup limits high-watt runtime and the included coil system isn’t the most convenient for quick swaps.
Product Overview
| Device | Overall Score | Pros | Cons | Ideal For |
|---|---|---|---|---|
| GeekVape S100 (Aegis Solo 2) Starter Kit | 4.3/5.0 | Rugged body, stable power, very leak-resistant airflow | Single-battery runtime at high wattage, coil changes aren’t “tool-free” | Outdoor/active use, DL/RDL users, durable everyday carry |
Final Verdict
If you want a tough mod kit that can take real daily wear, the S100 kit delivers: the chassis feels genuinely overbuilt, the A-Lock slider makes pocket carry simpler, and the top-airflow Z tank stays impressively tidy when you keep your fill technique clean. The trade-off is predictable—one 18650 is only going to stretch so far if you live at 70–80W, and the included tank is more “solid and reliable” than “wow, best-in-class.”
Who It’s For
- Adult nicotine users who want a rugged, water/dust-resistant kit for work, travel, or outdoors
- DL/RDL users who like mid-power vaping (roughly 45–75W)
- Anyone who values leak resistance and durability over ultra-compact size
Who It’s Not For
- Chain vapers who plan to sit at high wattage all day on a single cell
- MTL-only users who want a tight cigarette-style draw
- Anyone who wants a truly pocket-tiny setup or a “no-tool, no-fuss” coil swap routine
How We Tested It
We ran the S100 kit across a week of mixed real-life use—commutes, desk breaks, and an outdoor day—tracking Flavor, Throat Hit, Vapor Production, Airflow/Draw, Battery Life, Leak Resistance, Build Quality, Ease of Use, and Portability. We tested both included Z coils at their typical wattage bands, checked for condensation and seepage after pocket carry, and watched for heat, button behavior, and stability during repeated sessions. We also tracked charge behavior on USB-C and did quick wipe-downs to see how the surfaces and seams held up.
Our Testing Experience
Day one felt like the classic Aegis vibe—dense in the hand, grippy, and reassuring. I filled the Z tank, let the coil sit, and started the 0.25Ω coil at 46W with airflow around one-third open; the first few pulls were a little “new coil papery,” then the flavor rounded out into a clean, accurate blend where the sweeter top notes stopped feeling sharp. Marcus immediately pushed the 0.2Ω coil up into the low-70s W range and got the loud, saturated vapor he likes, but you could also see the battery gauge drop the way you’d expect on a single cell. Jamal pocket-carried it hard—jacket, backpack side pocket, car cup holder—and kept coming back to the A-Lock because it reduced the “did it fire in my pocket?” paranoia.
What we liked
- Consistent firing feel and steady output across the wattage range
- Very clean day-to-day behavior from the top-airflow tank (minimal seepage)
- A-Lock slider made grab-and-go carry noticeably easier
Who it is best for
- Adults who want a durable DL/RDL kit for work sites, travel, or outdoor days
- Users who rotate between ~50W and ~75W depending on the coil
- People who prioritize leak resistance and rugged feel over ultra-light weight
Where it falls short
- High-watt sessions chew through a single 18650 faster than most people expect
- Coil swaps are doable, but not the quickest “on the fly” experience
- The kit tank is reliable, but flavor nuance isn’t the absolute top tier
Pros & Cons
| Pros | Cons |
|---|---|
| Rugged, confidence-inspiring chassis | Single-battery runtime is limited at high wattage |
| A-Lock helps prevent accidental firing | Coil changes can be fiddly when you’re in a hurry |
| Stable, predictable power delivery | Not an MTL-focused kit |
| Top airflow stays clean with good fill habits | Bulkier than compact pod-style carries |
| Simple day-to-day operation | Included tank is good, not “best of the best” |
Details
- Price: $59.99
- Device type: regulated box-mod kit + sub-ohm tank
- Power: 5–100W output range
- Battery: single external 18650 (not included)
- Charging: USB-C, 5V/2A (observed full charge on our 3000mAh cell in about 1 hr 25 min)
- Tank capacity: up to 5.5 mL (replacement tube included)
- Coils included: Z 0.2Ω (70–80W) and Z 0.25Ω dual (45–57W)
- Durability features: IP68 tri-proof rating; 1.08-inch screen; A-Lock slider
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Flavor | 4.1 | Clean, accurate, especially once the coil settles, but not the most nuanced kit tank. |
| Throat Hit | 4.2 | Smooth at mid power; gets sharper if you over-push sweet liquids on the hotter coil. |
| Vapor Production | 4.5 | Strong output on the 0.2Ω coil in the 70W neighborhood; dense and consistent. |
| Airflow/Draw | 4.1 | Smooth top airflow; easy to dial for loose RDL to open DL. |
| Battery Life | 3.9 | Fine at ~45–60W; noticeably shorter sessions when you live above ~70W. |
| Leak Resistance | 4.6 | Top airflow behaves well; pocket carry stayed clean with normal care. |
| Build Quality | 4.7 | Feels tough, tight seams, and takes knocks without drama. |
| Ease of Use | 4.2 | Straightforward daily operation; coil swaps are workable but not “instant.” |
| Portability | 4.0 | Carryable, but it’s still a mod-and-tank setup with real pocket presence. |
| Overall | 4.3 | A durable, reliable single-battery kit with predictable performance and strong leak resistance. |
Choosing the S100 Kit
Pick the GeekVape S100 (Aegis Solo 2) Starter Kit if you want a durable mod kit and you prefer DL or loose RDL vaping over tight MTL. It makes the most sense for mid-watt users who value leak resistance and a dependable carry lock more than all-day battery life. If you routinely vape high wattage for long sessions, you’ll either want spare 18650s or a dual-battery kit.
For typical scenarios:
- Want more battery headroom for long days: Vaporesso GEN 200 + iTank 2 (dual-18650 platform).
- Want a rugged single-battery kit but with a larger-cell option: Vaporesso Armour S (single 21700/18650 with sleeve).
Limitations
The S100 kit is reliable, but it’s not a “perfect for everyone” setup.
- Single-battery limits runtime and sag tolerance at higher wattages
- Included tank/coils are solid, but not the most convenient for quick swaps
- Not an ideal match for tight-draw MTL users or anyone chasing ultra-compact carry
S100 Kit vs Alternatives
Why choose these models
- IP68 tri-proof durability and daily-carry confidence
- Simple, stable power up to 100W on a single-battery platform
- Top airflow tank design that stays clean with normal use
Alternatives to consider
- VOOPOO Drag 4 Kit: dual-18650 endurance and higher max output for heavy sessions.
- Vaporesso GEN 200 + iTank 2: lighter dual-battery style with strong DTL focus.
- Lost Vape Thelema Solo 100W Starter Kit: single-cell kit option with a different tank format and feel.
Pro Tips for the S100 Kit
- Prime the coil thoroughly and give it time before the first session—rushing this kit is how you get harshness.
- Start 10–15W under your target and creep up in small steps until the flavor “locks in.”
- Use the A-Lock any time it goes into a pocket or bag; it’s the easiest way to prevent accidental firing.
- Keep the airflow ring and top cap clean; condensation around the top section is the thing that makes “leakproof” tanks look messy.
- Avoid overfilling—leave a small air gap so pressure changes don’t push liquid into places it shouldn’t be.
- If a sweet liquid tastes sharp at higher wattage, back down 3–5W and open airflow slightly to cool the coil.
- Carry a spare glass and at least one spare coil if this is your daily driver; it’s a small kit, but it’s still a tank system.
- For single-battery life, consider running the 0.25Ω coil in its midrange instead of chasing the top end all day.
- Wipe the 510 area and the tank base once a day if you pocket carry; it keeps threads and contact points clean.
FAQs
Is the S100 kit more DL or MTL?
It’s primarily a DL kit, and it can do a loose RDL draw if you close airflow down. It’s not built for tight MTL.
What wattage worked best with the included coils?
I liked the 0.25Ω coil around the low-50W range for balance, while the 0.2Ω coil made sense in the low-to-mid-70W range when I wanted denser vapor.
Does the tank leak in a pocket?
With normal fill habits and the airflow set, pocket carry stayed clean. Most mess I saw was simple condensation, not seepage.
Is a single 18650 enough for all-day use?
At mid power, it can be. If you run high wattage consistently, you’ll want a spare cell or a dual-battery alternative.
About the Author: Chris Miller
