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SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models with 12V DC Generator Set One Key Start

$419.96–$499.99

In stock at stirlingkit.com

The SEMTO ST-NF2 generator set mounts a two-cylinder engine, converted from nitro to gasoline, on a base with fuel tank, CDI ignition, regulator and charging module. It delivers regulated 12V DC at 3A and starts with one button. It suits model-engine fans who want a compact running generator with built-in charging.

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Version
Version 1 · Version 2 · Version 3

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Highlights

  • SEMTO ST-NF2 twin converted to gasoline
  • Regulated 12V DC 3A output
  • One-touch electric start
  • CDI ignition, 3S battery charged by the generator
  • Built-in fan plus external cooling fan

Best for

Hobbyists who want a twin-cylinder generator set that is ready to use.

Things to consider

  • Versions 1, 2 and 3 are not explained
  • Runs on 92# gasoline mixed 25:1 with 2T oil
  • Listed for ages 16+

Key specs

Price$419.96–$499.99
EngineSEMTO ST-NF2
Output12V DC 3A
ChargerB3 PRO balance charger
Size20 x 15 x 12 cm
Weight1800 g

Our take

A capable twin-cylinder generator; clarify versions before ordering.

SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… at a glance

BrandStirlingkit
Price$419.96–$499.99
Options3 versions
AvailabilityIn stock at stirlingkit.com
Couponstart
ReturnsThe about page lists a 30-day return or exchange. All returns need an RMA requested via…

Price check

At $419.96, the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… is toward the top of Stirlingkit's price range, whose 2,729 listed products run $0.54 to $11,000.

Similar items from other brands we track run $2.99 to $33.99.

Buying from Stirlingkit

Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days.

Shipping
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Returns
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
Warranty
The about page lists a 1-year warranty and lifetime customer support.

Read our full Stirlingkit review and shop all products →

Frequently asked questions

What fuel does the ST-NF2 generator use?
A 25:1 mix of 92-octane gasoline and 2T engine oil.
Which version should I buy?
The listing does not explain the three versions, so ask Stirlingkit what each includes.
How much is the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models…?
Stirlingkit lists it at $419.96–$499.99 on stirlingkit.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models…?
Stirlingkit's store-wide code start can be entered at checkout on stirlingkit.com. Stirlingkit sets the discount, and some items or sale prices may be excluded.
What is Stirlingkit's return policy?
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
How long does Stirlingkit take to ship?
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Does the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… come with a warranty?
Stirlingkit's published warranty terms: The about page lists a 1-year warranty and lifetime customer support.
What options does the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… come in?
Version: Version 1, Version 2, Version 3.
Where can I buy the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models…?
The SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… is sold directly by Stirlingkit on stirlingkit.com. The Shop now button on this page goes straight to the product there, and code start can be applied at checkout.
Is the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… in stock?
Yes. Stirlingkit lists it as in stock on stirlingkit.com as of our latest check. Stock and prices refresh throughout the day.
Is Stirlingkit a legit store?
Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days. Our full Stirlingkit review covers shipping, returns and what to check before ordering.
Is the SEMTO ST-NF2 Custom Miniature Gas 2-cyliner Engine Models… expensive?
At $419.96 it is toward the top of Stirlingkit's range ($0.54 to $11,000 across 2,729 products), and similar items from other brands run $2.99 to $33.99.

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