Acebeam E70 vs Olight ArkPro Ultra size comparison
The Olight ArkPro Ultra is 4 mm (0.16 in) shorter than the Acebeam E70, and 3 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
The Olight ArkPro Ultra is 4 mm (0.16 in) shorter than the Acebeam E70, and 3 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Dimensions
| Acebeam E70 Check price ↗ | Olight ArkPro Ultra Check price ↗ | |
| Length | 128 mm (5.04 in) | 124 mm (4.88 in)−4 mm |
| Head / width | 30 mm (1.18 in) | 27 mm (1.06 in)−3 mm |
| Body | 27 mm (1.06 in) | — |
| Thickness | — | 16 mm (0.63 in) |
| Weight | 102 g listed | 120 g with battery |
| Battery | 21700 | Built-in |
| Max output | 4,600 lm | 1,700 lm |
| Throw | 240 m | 205 m |
| Type | EDC | EDC |
| Price | not verified yet | $129.99 at olight.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Aluminum version | olight.com sourced |
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E70 vs ArkPro Ultra: how they differ
Size and weight
The Olight ArkPro Ultra is the shorter light: 124 mm (4.88 in) against 128 mm (5.04 in), a difference of 4 mm (3%). At its widest point the Olight ArkPro Ultra is 3 mm slimmer (27 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; Olight ArkPro Ultra: 120 g with battery), so they are not directly comparable.
Brightness and throw
The Acebeam E70 is rated brighter: 4,600 lm maximum vs 1,700 lm for the Olight ArkPro Ultra, 171% more. For beam distance the Acebeam E70 reaches further: 240 m vs 205 m rated throw (17% more).
Battery
The Acebeam E70 runs on a removable 21700 battery; the Olight ArkPro Ultra runs on a built-in rechargeable battery. Only the Acebeam E70 lets you swap in a charged spare.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Acebeam E70 if you want more output (4,600 lm vs 1,700 lm), longer throw (240 m vs 205 m) and a removable cell you can swap. Choose the Olight ArkPro Ultra if you want a shorter light (4 mm shorter), a slimmer profile (3 mm narrower) and 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 E70 Check price ↗ Olight ArkPro Ultra
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E70 vs ArkPro Ultra FAQ
Which is smaller, the Acebeam E70 or the Olight ArkPro Ultra?
The Olight ArkPro Ultra is the shorter light: 124 mm (4.88 in) against 128 mm (5.04 in), a difference of 4 mm (3%). At its widest point the Olight ArkPro Ultra is 3 mm slimmer (27 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; Olight ArkPro Ultra: 120 g with battery), so they are not directly comparable.
Which is brighter, the Acebeam E70 or the Olight ArkPro Ultra?
The Acebeam E70 is rated brighter: 4,600 lm maximum vs 1,700 lm for the Olight ArkPro Ultra, 171% more. For beam distance the Acebeam E70 reaches further: 240 m vs 205 m rated throw (17% more).
Do the Acebeam E70 and Olight ArkPro Ultra use the same battery?
The Acebeam E70 runs on a removable 21700 battery; the Olight ArkPro Ultra runs on a built-in rechargeable battery. Only the Acebeam E70 lets you swap in a charged spare.
Compare Acebeam E70 with similar lights
Compare Olight ArkPro Ultra with similar lights
More
Sources
- Acebeam E70: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
- Olight ArkPro Ultra: specs from Olight product page (manufacturer). Price $129.99 from olight.com, checked Nov 4, 2026; prices change often.
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