Acebeam T35 vs Convoy S21E size comparison
The Convoy S21E is 20.6 mm (0.81 in) shorter than the Acebeam T35, with about the same max diameter/width. Weights are published on different bases (without battery vs with battery), so compare them with care.
The Convoy S21E is 20.6 mm (0.81 in) shorter than the Acebeam T35, with about the same max diameter/width. Weights are published on different bases (without battery vs with battery), so compare them with care.
Dimensions
| Acebeam T35 Check price ↗ | Convoy S21E Check price ↗ | |
| Length | 137 mm (5.39 in) | 116.4 mm (4.58 in)−20.6 mm |
| Head / width | 27 mm (1.06 in) | 27.3 mm (1.07 in)+0.3 mm |
| Body | 23 mm (0.91 in) | 27.3 mm (1.07 in)+4.3 mm |
| Weight | 138 g with battery | 88 g without battery |
| Battery | 18650 | 21700 |
| Max output | 1,900 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $59.90 at batteryjunction.com, as of Nov 4, 2026 | from $27.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | flashlightgo.com sourced Output depends on LED option |
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T35 vs S21E: how they differ
Size and weight
The Convoy S21E is the shorter light: 116.4 mm (4.58 in) against 137 mm (5.39 in), a difference of 20.6 mm (15%). At their widest points they are about the same (27 vs 27.3 mm). Weights are published on different bases (Acebeam T35: 138 g with battery; Convoy S21E: 88 g without battery), so they are not directly comparable.
Brightness and throw
The Acebeam T35 is rated at 1,900 lm; we have no published maximum for the Convoy S21E. Output for the Convoy S21E depends on the LED option chosen.
Battery
The Acebeam T35 runs on a removable 18650 battery; the Convoy S21E runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Price
When we checked on Nov 4, 2026, the Acebeam T35 was $59.90 at batteryjunction.com and the Convoy S21E from $27.99 at flashlightgo.com, so the Convoy S21E cost $31.91 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 S21E if you want a shorter light (20.6 mm shorter). On the specs we track, the Convoy S21E is ahead or level everywhere; the Acebeam T35 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 T35 Check price ↗ Convoy S21E
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T35 vs S21E FAQ
Which is smaller, the Acebeam T35 or the Convoy S21E?
The Convoy S21E is the shorter light: 116.4 mm (4.58 in) against 137 mm (5.39 in), a difference of 20.6 mm (15%). At their widest points they are about the same (27 vs 27.3 mm). Weights are published on different bases (Acebeam T35: 138 g with battery; Convoy S21E: 88 g without battery), so they are not directly comparable.
Which is cheaper, the Acebeam T35 or the Convoy S21E?
When we checked on Nov 4, 2026, the Acebeam T35 was $59.90 at batteryjunction.com and the Convoy S21E from $27.99 at flashlightgo.com, so the Convoy S21E cost $31.91 less. Prices change often, so check the current price before you buy.
Do the Acebeam T35 and Convoy S21E use the same battery?
The Acebeam T35 runs on a removable 18650 battery; the Convoy S21E runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Compare Acebeam T35 with similar lights
Compare Convoy S21E with similar lights
More
Sources
- Acebeam T35: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $59.90 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- Convoy S21E: specs from manufacturer published specs as listed by flashlightgo.com. Drawing: outline from published specs. Price from $27.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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