Acebeam E75 vs Convoy M21H size comparison
The Convoy M21H is 1.8 mm (0.07 in) longer than the Acebeam E75, and 5 mm wider at its widest point.
The Convoy M21H is 1.8 mm (0.07 in) longer than the Acebeam E75, and 5 mm wider at its widest point.
Dimensions
| Acebeam E75 Check price ↗ | Convoy M21H Check price ↗ | |
| Length | 129 mm (5.08 in) | 130.8 mm (5.15 in)+1.8 mm |
| Head / width | 35 mm (1.38 in) | 40 mm (1.57 in)+5 mm |
| Body | 28 mm (1.10 in) | 27 mm (1.06 in)−1 mm |
| Tail | — | 28.5 mm (1.12 in) |
| Weight | 217 g with battery | — |
| Battery | 21700 | 21700 |
| Max output | 4,000 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $99.90 at acebeam.com, as of Nov 4, 2026 | from $44.95 at nealsgadgets.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | nealsgadgets.com sourced |
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E75 vs M21H: how they differ
Size and weight
The Acebeam E75 is the shorter light: 129 mm (5.08 in) against 130.8 mm (5.15 in), a difference of 1.8 mm (1%). At its widest point the Acebeam E75 is 5 mm slimmer (35 vs 40 mm).
Brightness and throw
The Acebeam E75 is rated at 4,000 lm; we have no published maximum for the Convoy M21H.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Acebeam E75 was $99.90 at acebeam.com and the Convoy M21H from $44.95 at nealsgadgets.com, so the Convoy M21H cost $54.95 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 Acebeam E75 if you want a slimmer profile (5 mm narrower). On the specs we track, the Acebeam E75 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 ↗ Acebeam E75 Check price ↗ Convoy M21H
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E75 vs M21H FAQ
Which is smaller, the Acebeam E75 or the Convoy M21H?
The Acebeam E75 is the shorter light: 129 mm (5.08 in) against 130.8 mm (5.15 in), a difference of 1.8 mm (1%). At its widest point the Acebeam E75 is 5 mm slimmer (35 vs 40 mm).
Which is cheaper, the Acebeam E75 or the Convoy M21H?
When we checked on Nov 4, 2026, the Acebeam E75 was $99.90 at acebeam.com and the Convoy M21H from $44.95 at nealsgadgets.com, so the Convoy M21H cost $54.95 less. Prices change often, so check the current price before you buy.
Do the Acebeam E75 and Convoy M21H use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Acebeam E75 with similar lights
Compare Convoy M21H with similar lights
More
Sources
- Acebeam E75: specs from Acebeam product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Price $99.90 from acebeam.com, checked Nov 4, 2026; prices change often.
- Convoy M21H: specs from manufacturer published specs as listed by nealsgadgets.com. Price from $44.95 from nealsgadgets.com, checked Nov 4, 2026; prices change often.
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