Acebeam E70 vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 2.6 mm (0.10 in) longer than the Acebeam E70, and 3.1 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
The Streamlight ProTac 2L-X USB is 2.6 mm (0.10 in) longer than the Acebeam E70, and 3.1 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 ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 128 mm (5.04 in) | 130.6 mm (5.14 in)+2.6 mm |
| Head / width | 30 mm (1.18 in) | 26.9 mm (1.06 in)−3.1 mm |
| Body | 27 mm (1.06 in) | 23.9 mm (0.94 in)−3.1 mm |
| Weight | 102 g listed | 125 g with battery |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 4,600 lm | 500 lm |
| Throw | 240 m | — |
| Type | EDC | EDC |
| Price | not verified yet | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Aluminum version | batteryjunction.com sourced |
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E70 vs ProTac 2L-X USB: how they differ
Size and weight
The Acebeam E70 is the shorter light: 128 mm (5.04 in) against 130.6 mm (5.14 in), a difference of 2.6 mm (2%). At its widest point the Streamlight ProTac 2L-X USB is 3.1 mm slimmer (26.9 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Brightness and throw
The Acebeam E70 is rated brighter: 4,600 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 820% more.
Battery
The Acebeam E70 runs on a removable 21700 battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Acebeam E70 if you want more output (4,600 lm vs 500 lm). Choose the Streamlight ProTac 2L-X USB if you want a slimmer profile (3.1 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam E70 Check price ↗ Streamlight ProTac 2L-X USB
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E70 vs ProTac 2L-X USB FAQ
Which is smaller, the Acebeam E70 or the Streamlight ProTac 2L-X USB?
The Acebeam E70 is the shorter light: 128 mm (5.04 in) against 130.6 mm (5.14 in), a difference of 2.6 mm (2%). At its widest point the Streamlight ProTac 2L-X USB is 3.1 mm slimmer (26.9 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Which is brighter, the Acebeam E70 or the Streamlight ProTac 2L-X USB?
The Acebeam E70 is rated brighter: 4,600 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 820% more.
Do the Acebeam E70 and Streamlight ProTac 2L-X USB use the same battery?
The Acebeam E70 runs on a removable 21700 battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Acebeam E70 with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Acebeam E70: 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. No verified price yet.
- Streamlight ProTac 2L-X USB: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $83.05 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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