Convoy M21B vs Olight Warrior X 4 size comparison
The Olight Warrior X 4 is 7.5 mm (0.30 in) longer than the Convoy M21B, and 4.3 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The Olight Warrior X 4 is 7.5 mm (0.30 in) longer than the Convoy M21B, and 4.3 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| Convoy M21B Check price ↗ | Olight Warrior X 4 Check price ↗ | |
| Length | 141.5 mm (5.57 in) | 149 mm (5.87 in)+7.5 mm |
| Head / width | 35.7 mm (1.41 in) | 40 mm (1.57 in)+4.3 mm |
| Body | 27.1 mm (1.07 in) | 26 mm (1.02 in)−1.1 mm |
| Weight | 120 g listed | 249 g listed |
| Battery | 21700 | 21700 |
| Max output | — | 2,600 lm |
| Throw | — | 630 m |
| Type | EDC | EDC |
| Price | $48.99 at flashlightgo.com, as of Nov 4, 2026 | $129.99 at olight.com, as of Nov 4, 2026 |
| Source | flashlightgo.com sourced Output depends on LED option | batteryjunction.com sourced |
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M21B vs Warrior X 4: how they differ
Size and weight
The Convoy M21B is the shorter light: 141.5 mm (5.57 in) against 149 mm (5.87 in), a difference of 7.5 mm (5%). At its widest point the Convoy M21B is 4.3 mm slimmer (35.7 vs 40 mm). Weights are published on different bases (Convoy M21B: 120 g listed; Olight Warrior X 4: 249 g listed), so they are not directly comparable.
Brightness and throw
The Olight Warrior X 4 is rated at 2,600 lm; we have no published maximum for the Convoy M21B. Output for the Convoy M21B depends on the LED option chosen.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Convoy M21B was $48.99 at flashlightgo.com and the Olight Warrior X 4 $129.99 at olight.com, so the Convoy M21B cost $81.00 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 Convoy M21B if you want a shorter light (7.5 mm shorter) and a slimmer profile (4.3 mm narrower). On the specs we track, the Convoy M21B is ahead or level everywhere; the Olight Warrior X 4 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 ↗ Convoy M21B Check price ↗ Olight Warrior X 4
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M21B vs Warrior X 4 FAQ
Which is smaller, the Convoy M21B or the Olight Warrior X 4?
The Convoy M21B is the shorter light: 141.5 mm (5.57 in) against 149 mm (5.87 in), a difference of 7.5 mm (5%). At its widest point the Convoy M21B is 4.3 mm slimmer (35.7 vs 40 mm). Weights are published on different bases (Convoy M21B: 120 g listed; Olight Warrior X 4: 249 g listed), so they are not directly comparable.
Which is cheaper, the Convoy M21B or the Olight Warrior X 4?
When we checked on Nov 4, 2026, the Convoy M21B was $48.99 at flashlightgo.com and the Olight Warrior X 4 $129.99 at olight.com, so the Convoy M21B cost $81.00 less. Prices change often, so check the current price before you buy.
Do the Convoy M21B and Olight Warrior X 4 use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Convoy M21B with similar lights
Compare Olight Warrior X 4 with similar lights
More
Sources
- Convoy M21B: specs from manufacturer published specs as listed by flashlightgo.com. Drawing: outline from published specs. Price $48.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
- Olight Warrior X 4: specs from Olight product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $129.99 from olight.com, checked Nov 4, 2026; prices change often.
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