Acebeam E70 Ti vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 2.3 mm (0.09 in) longer than the Acebeam E70 Ti, and 3.1 mm narrower at its widest point. It is 71 g lighter (with battery).
The Streamlight ProTac 2L-X USB is 2.3 mm (0.09 in) longer than the Acebeam E70 Ti, and 3.1 mm narrower at its widest point. It is 71 g lighter (with battery).
Dimensions
| Acebeam E70 Ti Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 128.3 mm (5.05 in) | 130.6 mm (5.14 in)+2.3 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 | 196 g with battery | 125 g with battery−71 g |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 3,750 lm | 500 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $229.00 at nealsgadgets.com, as of Nov 4, 2026 | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | nealsgadgets.com sourced Titanium version | batteryjunction.com sourced |
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E70 Ti vs ProTac 2L-X USB: how they differ
Size and weight
The Acebeam E70 Ti is the shorter light: 128.3 mm (5.05 in) against 130.6 mm (5.14 in), a difference of 2.3 mm (2%). At its widest point the Streamlight ProTac 2L-X USB is 3.1 mm slimmer (26.9 vs 30 mm). The Streamlight ProTac 2L-X USB is 71 g lighter (125 g vs 196 g, with battery).
Brightness and throw
The Acebeam E70 Ti is rated brighter: 3,750 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 650% more.
Battery
The Acebeam E70 Ti 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).
Price
When we checked on Nov 4, 2026, the Acebeam E70 Ti was $229.00 at nealsgadgets.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $145.95 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 Acebeam E70 Ti if you want more output (3,750 lm vs 500 lm). Choose the Streamlight ProTac 2L-X USB if you want a slimmer profile (3.1 mm narrower) and less weight (71 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam E70 Ti 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 Ti vs ProTac 2L-X USB FAQ
Which is smaller, the Acebeam E70 Ti or the Streamlight ProTac 2L-X USB?
The Acebeam E70 Ti is the shorter light: 128.3 mm (5.05 in) against 130.6 mm (5.14 in), a difference of 2.3 mm (2%). At its widest point the Streamlight ProTac 2L-X USB is 3.1 mm slimmer (26.9 vs 30 mm). The Streamlight ProTac 2L-X USB is 71 g lighter (125 g vs 196 g, with battery).
Which is brighter, the Acebeam E70 Ti or the Streamlight ProTac 2L-X USB?
The Acebeam E70 Ti is rated brighter: 3,750 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 650% more.
Which is cheaper, the Acebeam E70 Ti or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Acebeam E70 Ti was $229.00 at nealsgadgets.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $145.95 less. Prices change often, so check the current price before you buy.
Do the Acebeam E70 Ti and Streamlight ProTac 2L-X USB use the same battery?
The Acebeam E70 Ti 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 Ti with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Acebeam E70 Ti: specs from manufacturer published specs as listed by nealsgadgets.com. Price $229.00 from nealsgadgets.com, checked Nov 4, 2026; prices change often.
- Streamlight ProTac 2L-X USB: specs from manufacturer published specs as listed by batteryjunction.com. Price $83.05 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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