Acebeam T35 vs Emisar D4K size comparison
The Emisar D4K is 34 mm (1.34 in) shorter than the Acebeam T35, and 1 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
The Emisar D4K is 34 mm (1.34 in) shorter than the Acebeam T35, and 1 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
Dimensions
| Acebeam T35 Check price ↗ | Emisar D4K Check price ↗ | |
| Length | 137 mm (5.39 in) | 103 mm (4.06 in)−34 mm |
| Head / width | 27 mm (1.06 in) | 28 mm (1.10 in)+1 mm |
| Body | 23 mm (0.91 in) | 26.5 mm (1.04 in)+3.5 mm |
| Weight | 138 g with battery | 58 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 | $39.69 at intl-outdoor.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | intl-outdoor.com sourced Output depends on LED option |
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T35 vs D4K: how they differ
Size and weight
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 137 mm (5.39 in), a difference of 34 mm (25%). At its widest point the Acebeam T35 is 1 mm slimmer (27 vs 28 mm). Weights are published on different bases (Acebeam T35: 138 g with battery; Emisar D4K: 58 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 Emisar D4K. Output for the Emisar D4K depends on the LED option chosen.
Battery
The Acebeam T35 runs on a removable 18650 battery; the Emisar D4K 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 Emisar D4K $39.69 at intl-outdoor.com, so the Emisar D4K cost $20.21 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 Emisar D4K if you want a shorter light (34 mm shorter). On the specs we track, the Emisar D4K 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 ↗ Emisar D4K
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T35 vs D4K FAQ
Which is smaller, the Acebeam T35 or the Emisar D4K?
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 137 mm (5.39 in), a difference of 34 mm (25%). At its widest point the Acebeam T35 is 1 mm slimmer (27 vs 28 mm). Weights are published on different bases (Acebeam T35: 138 g with battery; Emisar D4K: 58 g without battery), so they are not directly comparable.
Which is cheaper, the Acebeam T35 or the Emisar D4K?
When we checked on Nov 4, 2026, the Acebeam T35 was $59.90 at batteryjunction.com and the Emisar D4K $39.69 at intl-outdoor.com, so the Emisar D4K cost $20.21 less. Prices change often, so check the current price before you buy.
Do the Acebeam T35 and Emisar D4K use the same battery?
The Acebeam T35 runs on a removable 18650 battery; the Emisar D4K 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 Emisar D4K 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.
- Emisar D4K: specs from Emisar product page (manufacturer). Drawing: outline from published specs. Price $39.69 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
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