Kymco's entry city scooter, decoded with real physics: where the 37 mile claim actually lands, why a 10 kg removable pack is the whole point, what an 8-hour charge means for your day, and who this slow, honest little runabout is really for. Sources on everything.
A friendly, license-light city scooter that knows exactly what it is. The 37 mile range is a steady 30 km/h figure, plan for less in real use. Top speed is about 28 mph, so this is a cross-town tool, not a fast-road one. The real magic is the 10 kg removable battery you lift out and charge inside, and the catch is the 8-hour charge, this is an overnight-and-go scooter.
Assumptions: low annual mileage, $0.17/kWh, a single 1.7 kWh pack charged overnight at home. Insurance and registration vary by country for a 50cc-equivalent. A full 5-year breakdown depends heavily on your market, so we show the shape and the assumptions rather than invent a single total. Full table in §9.
Every module behind the headlines: who it is for, the range claim vs. physics, the removable-battery reality, true cost, reliability, and the standard scorecard. All sourced.
The Kymco Ionex i-One is a 50cc-equivalent electric city scooter: a slow, light, license-friendly runabout for short urban hops. About 4 kW of motor, a 28 mph top speed, and a single 1.7 kWh removable lithium pack good for a claimed 37 miles at a steady 30 km/h. The headline feature is the 10 kg battery you lift out and carry inside to charge, genuinely useful if you have nowhere to plug in. The honest caveats: real range is lower than the claim, there is no fast charge (a full charge is about 8 hours), and this is a regional product whose price and support vary by country. Here is exactly how it adds up.
Start here, the right answer depends entirely on your commute and where you park.
Same scooter, very different answer depending on the rider. We lead every report with this so nobody buys the wrong machine.
The sweet spot. A short, low-speed commute on 30 mph urban roads, where 28 mph is fine and 20 to 30 real miles covers your day. Light, easy to ride, and license-friendly as a 50cc-equivalent.
Where the i-One earns its keep. No garage outlet? Lift the 10 kg pack out, carry it upstairs, and charge it from a normal socket. This is the whole reason the removable battery exists, and it solves a real problem.
There is no fast charging. A full charge takes about 8 hours, so a single pack is an overnight proposition. A twin-battery setup helps, but you are still charging slowly. Plan around it.
At 28 mph this cannot keep up with arterial or highway traffic, and it is not meant to. If any part of your route needs more than 30 mph, this is the wrong machine.
The struck-through line is what the listing tells you; the big number is what to actually expect. The "why" is in Part C.
What is genuinely useful, and which "innovations" are really table-stakes. The part the brand's own page never tells you.
The i-One's standout features, rated honestly. Each badge tells you whether it is a real practical edge, normal for the class, or marketing gloss.
The headline feature, and a genuinely good one. Lift the pack out, carry it inside, charge from a normal socket. For anyone who parks on the street or lives in a flat with no outlet, this solves the single hardest problem of EV ownership.
✓ SolidSome markets offer a second pack that roughly doubles range, or lets you ride on one while the other charges. A sensible answer to the slow charge time, if your market and budget allow it.
✓ SolidLight, slow, and license-friendly in many markets, which lowers the barrier to riding. Not a feature on a spec sheet, but a real ownership advantage for new or casual riders.
≈ Class-typicalIn Taiwan, the Ionex platform includes a swap-station network, so the removable pack can also be exchanged rather than charged. Outside that footprint you are back to carrying it upstairs.
≈ Region-dependentMarketing specs vs. the physics. The math is simple, battery capacity and a few formulas, so let us run it.
There is no marketing trap to decode here, the i-One is honest about being slow. The useful thing is to translate kW into something you can feel.
The motor is rated around 4.2 kW. Convert to the unit everyone feels:
The headline range gap. The claim is not a lie, it is a best-case figure measured at a gentle, steady speed. Here is the arithmetic.
Step 1, real energy in the tank. Range starts with how much energy the battery holds: voltage × amp-hours. The i-One pack is published as 50.82 V / 34.3 Ah.
Step 2, how much you spend per mile. The 37 mile (60 km) claim is measured at a steady 30 km/h (~19 mph). Consumption rises with speed because drag grows with the square of speed, and with hills and a passenger.
Charge time is just battery size ÷ charger power. Kymco quotes about 8 hours for a full charge, and our formula agrees, this is an overnight scooter.
Shopping for one of these, you will see the same scooter described several ways across markets. They are not all lying, here is how to read them.
| You will see | What it really is | Trust it? |
|---|---|---|
| 1,743 Wh (50.82V / 34.3Ah) | The single lithium pack. Multiply V×Ah to confirm: ~1.7 kWh. | real |
| 4.2 kW | Motor rating, about 5.6 hp. A genuine 50cc-equivalent output. | real |
| "up to 37 mi / 60 km" | Range at a steady 30 km/h, solo, flat. Real range is lower. | 30 km/h figure |
| "45 km/h / 28 mph" | Top speed. Honest, and the reason this is a city-only tool. | real |
| "one or two batteries" | Twin pack roughly doubles range or keeps one charging. Market-dependent. | option |
| Price (UK / France) | ~£3,499 + on-road UK, ~3,999 euro France. Regional, verify locally. | verify locally |
Cheap to run, but a regional product, so the buying total varies by country.
The sticker is a headline, not a checkout total, and for the i-One it changes a lot by market. Here is the shape of the bill, with ranges where exact figures vary.
| Line item | Typical | Notes |
|---|---|---|
| Scooter (indicative) | ~$4,400 | UK ~£3,499 + on-road; France ~3,999 euro |
| On-road / registration | varies | By country; the i-One is street-legal |
| Second battery (optional) | extra | Roughly doubles range, market-dependent |
| Starter gear (helmet, gloves) | $100–$250 | Sensible even at 28 mph |
| Realistic out-the-door | scooter price + on-road + gear | Confirm local figures before buying |
The number almost no one shows you. For the i-One, the dominant variables are your market's price, on-road costs, and whether you add a second battery, so we show the shape and the assumptions rather than invent a total.
What it is good at, where it frustrates, and whether you can get support.
We summarize the recurring themes from manufacturer specs and class coverage. Independent long-term owner data on this specific model is limited, and we say so plainly rather than overstate it.
A scooter is only as ownable as its support network. For the i-One, that is strong in its home and launch markets and thin elsewhere.
Kymco is one of Taiwan's largest scooter makers, based in Kaohsiung, so within Taiwan and its established dealer markets (including UK and France) support and parts are reasonable. Outside those footprints, availability of the i-One and its Ionex batteries is limited. Rate parts and support as fair: solid where Kymco's Ionex network operates, sparse where it does not.
| Category | Availability | Notes |
|---|---|---|
| Ionex batteries | fair (in-market) | Via Kymco dealers / network |
| Service / dealers | fair | Strong in Taiwan, UK, France |
| Tires, brakes, consumables | good | Common scooter parts |
| Support outside launch markets | limited | Regional product |
One scorecard, identical axes on every bike.
Every e-moto on the site is scored on these same eight axes, by the same rules, so a 7 here means the same thing as a 7 anywhere.
Our standing methodology, run identically on every e-moto, including bikes we would otherwise have reason to flatter.
The only honest way to compare two batteries. 50.82V × 34.3Ah = ~1,743 Wh on the i-One.
You never use 0 to 100%. The BMS holds a reserve and voltage tapers at the bottom. We assume ~88%.
Consumption is the lever, and it rises with speed². A 30 km/h claim and a real-pace city ride are different worlds.
Always ask which number a spec quotes. 4.2 kW is about 5.6 hp, a genuine 50cc-equivalent.
"Charge anywhere" is meaningless without the hours. On the i-One it works out to about 8, and there is no fast charge.
| Cost assumption | We used | Change it if… |
|---|---|---|
| Annual mileage | Low city mileage | You ride more → consumables rise |
| Electricity rate | $0.17 / kWh (US avg) | Your utility differs |
| Purchase & on-road | Market-dependent | Varies a lot by country |
| Battery life | Small pack, plan for eventual replacement | Heavy cycling → sooner |
| Resale | Market-dependent | Condition & market vary |
We cite everything and date it, because specs, prices and availability change. Manufacturer figures are labeled as claims; real-world numbers are our estimates from the methodology above. Spot an error? Our corrections policy means we fix it in public.
Sources retrieved May 2026. Manufacturer pages state claimed specs; treat them as marketing figures, not independent tests. Pricing and availability are regional and change over time, confirm current local figures before relying on any cost number.