Nitecore EDC37 vs Sofirn SP36 Pro size comparison

By · Updated · How we compare and rank

The Sofirn SP36 Pro is 18.7 mm (0.74 in) longer than the Nitecore EDC37, and 10.6 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.

Nitecore EDC37 · 108 mmSofirn SP36 Pro · 126.7 mm

The Sofirn SP36 Pro is 18.7 mm (0.74 in) longer than the Nitecore EDC37, and 10.6 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.

Dimensions

Nitecore EDC37
Check price ↗
Sofirn SP36 Pro
Check price ↗
Length108 mm (4.25 in)126.7 mm (4.99 in)+18.7 mm
Head / width39.4 mm (1.55 in)50 mm (1.97 in)+10.6 mm
Thickness31 mm (1.22 in)—
Weight199 g with battery300 g without battery
BatteryBuilt-in3x 18650
Max output8,000 lm8,000 lm
Throw——
TypeThrower / searchThrower / search
Price$139.95 at nitecorestore.com, as of Nov 4, 2026from $56.99 at flashlightgo.com, as of Nov 4, 2026
Sourcenitecorestore.com sourced
Listed L-4.25" x W-1.55" x H-1.22", 7.02 oz; converted
flashlightgo.com sourced
Only head diameter listed

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EDC37 vs SP36 Pro: how they differ

Size and weight

The Nitecore EDC37 is the shorter light: 108 mm (4.25 in) against 126.7 mm (4.99 in), a difference of 18.7 mm (15%). At its widest point the Nitecore EDC37 is 10.6 mm slimmer (39.4 vs 50 mm). Weights are published on different bases (Nitecore EDC37: 199 g with battery; Sofirn SP36 Pro: 300 g without battery), so they are not directly comparable.

Brightness and throw

Both are rated at 8,000 lm maximum output.

Battery

The Nitecore EDC37 runs on a built-in rechargeable battery; the Sofirn SP36 Pro runs on removable 3x 18650 batteries. Only the Sofirn SP36 Pro lets you swap in a charged spare.

Price

When we checked on Nov 4, 2026, the Nitecore EDC37 was $139.95 at nitecorestore.com and the Sofirn SP36 Pro from $56.99 at flashlightgo.com, so the Sofirn SP36 Pro cost $82.96 less. Prices change often, so check the current price before you buy.

Type

Both are throwers / search lights in our catalog.

Which should you buy?

Choose the Nitecore EDC37 if you want a shorter light (18.7 mm shorter), a slimmer profile (10.6 mm narrower) and a built-in battery with no separate cell to buy. Choose the Sofirn SP36 Pro if you want a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Nitecore EDC37 Check price ↗ Sofirn SP36 Pro

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EDC37 vs SP36 Pro FAQ

Which is smaller, the Nitecore EDC37 or the Sofirn SP36 Pro?

The Nitecore EDC37 is the shorter light: 108 mm (4.25 in) against 126.7 mm (4.99 in), a difference of 18.7 mm (15%). At its widest point the Nitecore EDC37 is 10.6 mm slimmer (39.4 vs 50 mm). Weights are published on different bases (Nitecore EDC37: 199 g with battery; Sofirn SP36 Pro: 300 g without battery), so they are not directly comparable.

Which is brighter, the Nitecore EDC37 or the Sofirn SP36 Pro?

Both are rated at 8,000 lm maximum output.

Which is cheaper, the Nitecore EDC37 or the Sofirn SP36 Pro?

When we checked on Nov 4, 2026, the Nitecore EDC37 was $139.95 at nitecorestore.com and the Sofirn SP36 Pro from $56.99 at flashlightgo.com, so the Sofirn SP36 Pro cost $82.96 less. Prices change often, so check the current price before you buy.

Do the Nitecore EDC37 and Sofirn SP36 Pro use the same battery?

The Nitecore EDC37 runs on a built-in rechargeable battery; the Sofirn SP36 Pro runs on removable 3x 18650 batteries. Only the Sofirn SP36 Pro lets you swap in a charged spare.

Compare Nitecore EDC37 with similar lights

EDC37 vs E10 2.0EDC37 vs Stiletto Pro IIEDC37 vs MH25 ProEDC37 vs LR35R

Compare Sofirn SP36 Pro with similar lights

SP36 Pro vs Stiletto Pro IISP36 Pro vs LR35RSP36 Pro vs TK28RSP36 Pro vs LR35R PRO 10000SP36 Pro vs C8+SP36 Pro vs TK35UE V2.0

More

Nitecore EDC37 size & specsSofirn SP36 Pro size & specsSmallest 1,000+ lumen flashlightsBest rechargeable flashlights with a built-in batteryBrightest flashlightsBest 18650 flashlightsAll Nitecore lightsAll Sofirn lightsBest EDC flashlights

Sources

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