Acebeam T35 vs Olight ArkTac Ultra size comparison
The Olight ArkTac Ultra is 1.4 mm (0.06 in) shorter than the Acebeam T35, and 2 mm wider at its widest point. It is 2 g heavier (with battery).
The Olight ArkTac Ultra is 1.4 mm (0.06 in) shorter than the Acebeam T35, and 2 mm wider at its widest point. It is 2 g heavier (with battery).
Dimensions
| Acebeam T35 Check price ↗ | Olight ArkTac Ultra Check price ↗ | |
| Length | 137 mm (5.39 in) | 135.6 mm (5.34 in)−1.4 mm |
| Head / width | 27 mm (1.06 in) | 29 mm (1.14 in)+2 mm |
| Body | 23 mm (0.91 in) | — |
| Thickness | — | 17 mm (0.67 in) |
| Weight | 138 g with battery | 140 g with battery+2 g |
| Battery | 18650 | Built-in |
| Max output | 1,900 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $59.90 at batteryjunction.com, as of Nov 4, 2026 | $159.99 at olight.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | olight.com unverified Dims from ArkTac series comparison table (row assumed to be Ultra); re-check on ArkTac Ultra page |
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T35 vs ArkTac Ultra: how they differ
Size and weight
The Olight ArkTac Ultra is the shorter light: 135.6 mm (5.34 in) against 137 mm (5.39 in), a difference of 1.4 mm (1%). At its widest point the Acebeam T35 is 2 mm slimmer (27 vs 29 mm). The Acebeam T35 is 2 g lighter (138 g vs 140 g, with battery).
Brightness and throw
The Acebeam T35 is rated at 1,900 lm; we have no published maximum for the Olight ArkTac Ultra.
Battery
The Acebeam T35 runs on a removable 18650 battery; the Olight ArkTac Ultra runs on a built-in rechargeable battery. Only the Acebeam T35 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Acebeam T35 was $59.90 at batteryjunction.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Acebeam T35 cost $100.09 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Acebeam T35 if you want a slimmer profile (2 mm narrower) and a removable cell you can swap. Choose the Olight ArkTac Ultra if you want a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam T35 Check price ↗ Olight ArkTac Ultra
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T35 vs ArkTac Ultra FAQ
Which is smaller, the Acebeam T35 or the Olight ArkTac Ultra?
The Olight ArkTac Ultra is the shorter light: 135.6 mm (5.34 in) against 137 mm (5.39 in), a difference of 1.4 mm (1%). At its widest point the Acebeam T35 is 2 mm slimmer (27 vs 29 mm). The Acebeam T35 is 2 g lighter (138 g vs 140 g, with battery).
Which is cheaper, the Acebeam T35 or the Olight ArkTac Ultra?
When we checked on Nov 4, 2026, the Acebeam T35 was $59.90 at batteryjunction.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Acebeam T35 cost $100.09 less. Prices change often, so check the current price before you buy.
Do the Acebeam T35 and Olight ArkTac Ultra use the same battery?
The Acebeam T35 runs on a removable 18650 battery; the Olight ArkTac Ultra runs on a built-in rechargeable battery. Only the Acebeam T35 lets you swap in a charged spare.
Compare Acebeam T35 with similar lights
Compare Olight ArkTac Ultra 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.
- Olight ArkTac Ultra: specs from Olight product page (manufacturer). Drawing: shape measured from manufacturer photo (olight.com), scaled to the published length and diameter. Some values could not be confirmed on a second source and are marked unverified. Price $159.99 from olight.com, checked Nov 4, 2026; prices change often.
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