Convoy M21H vs Convoy S2+ size comparison
The Convoy S2+ is 12.8 mm (0.50 in) shorter than the Convoy M21H, and 15.9 mm narrower at its widest point.
The Convoy S2+ is 12.8 mm (0.50 in) shorter than the Convoy M21H, and 15.9 mm narrower at its widest point.
Dimensions
| Convoy M21H Check price ↗ | Convoy S2+ Check price ↗ | |
| Length | 130.8 mm (5.15 in) | 118 mm (4.65 in)−12.8 mm |
| Head / width | 40 mm (1.57 in) | 24.1 mm (0.95 in)−15.9 mm |
| Body | 27 mm (1.06 in) | 24.1 mm (0.95 in)−2.9 mm |
| Tail | 28.5 mm (1.12 in) | — |
| Weight | — | 76 g without battery |
| Battery | 21700 | 18650 |
| Max output | — | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | from $44.95 at nealsgadgets.com, as of Nov 4, 2026 | from $11.46 at convoylight.com, as of Nov 4, 2026 |
| Source | nealsgadgets.com sourced | convoylight.com sourced Output depends on LED option |
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M21H vs S2+: how they differ
Size and weight
The Convoy S2+ is the shorter light: 118 mm (4.65 in) against 130.8 mm (5.15 in), a difference of 12.8 mm (10%). At its widest point the Convoy S2+ is 15.9 mm slimmer (24.1 vs 40 mm).
Brightness and throw
Output for the Convoy S2+ depends on the LED option chosen.
Battery
The Convoy M21H runs on a removable 21700 battery; the Convoy S2+ runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Convoy M21H was from $44.95 at nealsgadgets.com and the Convoy S2+ from $11.46 at convoylight.com, so the Convoy S2+ cost $33.49 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 S2+ if you want a shorter light (12.8 mm shorter) and a slimmer profile (15.9 mm narrower). On the specs we track, the Convoy S2+ is ahead or level everywhere; the Convoy M21H 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 M21H Check price ↗ Convoy S2+
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
M21H vs S2+ FAQ
Which is smaller, the Convoy M21H or the Convoy S2+?
The Convoy S2+ is the shorter light: 118 mm (4.65 in) against 130.8 mm (5.15 in), a difference of 12.8 mm (10%). At its widest point the Convoy S2+ is 15.9 mm slimmer (24.1 vs 40 mm).
Which is cheaper, the Convoy M21H or the Convoy S2+?
When we checked on Nov 4, 2026, the Convoy M21H was from $44.95 at nealsgadgets.com and the Convoy S2+ from $11.46 at convoylight.com, so the Convoy S2+ cost $33.49 less. Prices change often, so check the current price before you buy.
Do the Convoy M21H and Convoy S2+ use the same battery?
The Convoy M21H runs on a removable 21700 battery; the Convoy S2+ runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Convoy M21H with similar lights
Compare Convoy S2+ with similar lights
More
Sources
- Convoy M21H: specs from manufacturer published specs as listed by nealsgadgets.com. Drawing: outline from published specs. Price from $44.95 from nealsgadgets.com, checked Nov 4, 2026; prices change often.
- Convoy S2+: specs from manufacturer published specs as listed by convoylight.com. Drawing: outline from published specs. Price from $11.46 from convoylight.com, checked Nov 4, 2026; prices change often.
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