Acebeam E70 vs Convoy S21E size comparison
The Convoy S21E is 11.6 mm (0.46 in) shorter than the Acebeam E70, and 2.7 mm narrower at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
The Convoy S21E is 11.6 mm (0.46 in) shorter than the Acebeam E70, and 2.7 mm narrower at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
Dimensions
| Acebeam E70 Check price ↗ | Convoy S21E Check price ↗ | |
| Length | 128 mm (5.04 in) | 116.4 mm (4.58 in)−11.6 mm |
| Head / width | 30 mm (1.18 in) | 27.3 mm (1.07 in)−2.7 mm |
| Body | 27 mm (1.06 in) | 27.3 mm (1.07 in)+0.3 mm |
| Weight | 102 g listed | 88 g without battery |
| Battery | 21700 | 21700 |
| Max output | 4,600 lm | — |
| Throw | 240 m | — |
| Type | EDC | EDC |
| Price | not verified yet | from $27.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Aluminum version | flashlightgo.com sourced Output depends on LED option |
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E70 vs S21E: how they differ
Size and weight
The Convoy S21E is the shorter light: 116.4 mm (4.58 in) against 128 mm (5.04 in), a difference of 11.6 mm (9%). At its widest point the Convoy S21E is 2.7 mm slimmer (27.3 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; Convoy S21E: 88 g without battery), so they are not directly comparable.
Brightness and throw
The Acebeam E70 is rated at 4,600 lm; we have no published maximum for the Convoy S21E. Output for the Convoy S21E depends on the LED option chosen.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Convoy S21E if you want a shorter light (11.6 mm shorter) and a slimmer profile (2.7 mm narrower). On the specs we track, the Convoy S21E is ahead or level everywhere; the Acebeam E70 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 E70 Check price ↗ Convoy S21E
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E70 vs S21E FAQ
Which is smaller, the Acebeam E70 or the Convoy S21E?
The Convoy S21E is the shorter light: 116.4 mm (4.58 in) against 128 mm (5.04 in), a difference of 11.6 mm (9%). At its widest point the Convoy S21E is 2.7 mm slimmer (27.3 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; Convoy S21E: 88 g without battery), so they are not directly comparable.
Do the Acebeam E70 and Convoy S21E use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Acebeam E70 with similar lights
Compare Convoy S21E with similar lights
More
Sources
- Acebeam E70: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
- Convoy S21E: specs from manufacturer published specs as listed by flashlightgo.com. Price from $27.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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