Lumintop FW3A vs Sofirn SC18 size comparison
The Sofirn SC18 is 9 mm (0.35 in) longer than the Lumintop FW3A, and 0.8 mm narrower at its widest point. It is 2 g heavier (without battery).
The Sofirn SC18 is 9 mm (0.35 in) longer than the Lumintop FW3A, and 0.8 mm narrower at its widest point. It is 2 g heavier (without battery).
Dimensions
| Lumintop FW3A Check price ↗ | Sofirn SC18 Check price ↗ | |
| Length | 92.5 mm (3.64 in) | 101.5 mm (4.00 in)+9 mm |
| Head / width | 25.5 mm (1.00 in) | 24.7 mm (0.97 in)−0.8 mm |
| Weight | 53 g without battery | 55 g without battery+2 g |
| Battery | 18650 | 18650 |
| Max output | 2,800 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | from $49.95 at nealsgadgets.com, as of Nov 4, 2026 | from $19.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | nealsgadgets.com sourced Only head diameter listed | flashlightgo.com sourced Only head diameter listed |
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FW3A vs SC18: how they differ
Size and weight
The Lumintop FW3A is the shorter light: 92.5 mm (3.64 in) against 101.5 mm (4.00 in), a difference of 9 mm (9%). At its widest point the Sofirn SC18 is 0.8 mm slimmer (24.7 vs 25.5 mm). The Lumintop FW3A is 2 g lighter (53 g vs 55 g, without battery).
Brightness and throw
The Lumintop FW3A is rated at 2,800 lm; we have no published maximum for the Sofirn SC18.
Battery
Both run on a removable 18650 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Lumintop FW3A was from $49.95 at nealsgadgets.com and the Sofirn SC18 from $19.99 at flashlightgo.com, so the Sofirn SC18 cost $29.96 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Lumintop FW3A if you want a shorter light (9 mm shorter). On the specs we track, the Lumintop FW3A is ahead or level everywhere; the Sofirn SC18 makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Lumintop FW3A Check price ↗ Sofirn SC18
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FW3A vs SC18 FAQ
Which is smaller, the Lumintop FW3A or the Sofirn SC18?
The Lumintop FW3A is the shorter light: 92.5 mm (3.64 in) against 101.5 mm (4.00 in), a difference of 9 mm (9%). At its widest point the Sofirn SC18 is 0.8 mm slimmer (24.7 vs 25.5 mm). The Lumintop FW3A is 2 g lighter (53 g vs 55 g, without battery).
Which is cheaper, the Lumintop FW3A or the Sofirn SC18?
When we checked on Nov 4, 2026, the Lumintop FW3A was from $49.95 at nealsgadgets.com and the Sofirn SC18 from $19.99 at flashlightgo.com, so the Sofirn SC18 cost $29.96 less. Prices change often, so check the current price before you buy.
Do the Lumintop FW3A and Sofirn SC18 use the same battery?
Both run on a removable 18650 battery, so spare cells work in either light.
Compare Lumintop FW3A with similar lights
Compare Sofirn SC18 with similar lights
More
Sources
- Lumintop FW3A: specs from manufacturer published specs as listed by nealsgadgets.com. Price from $49.95 from nealsgadgets.com, checked Nov 4, 2026; prices change often.
- Sofirn SC18: specs from manufacturer published specs as listed by flashlightgo.com. Price from $19.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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