Acebeam E75 vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 1.6 mm (0.06 in) longer than the Acebeam E75, and 8.1 mm narrower at its widest point. It is 92 g lighter (with battery).
The Streamlight ProTac 2L-X USB is 1.6 mm (0.06 in) longer than the Acebeam E75, and 8.1 mm narrower at its widest point. It is 92 g lighter (with battery).
Dimensions
| Acebeam E75 Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 129 mm (5.08 in) | 130.6 mm (5.14 in)+1.6 mm |
| Head / width | 35 mm (1.38 in) | 26.9 mm (1.06 in)−8.1 mm |
| Body | 28 mm (1.10 in) | 23.9 mm (0.94 in)−4.1 mm |
| Weight | 217 g with battery | 125 g with battery−92 g |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 4,000 lm | 500 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $99.90 at acebeam.com, as of Nov 4, 2026 | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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E75 vs ProTac 2L-X USB: how they differ
Size and weight
The Acebeam E75 is the shorter light: 129 mm (5.08 in) against 130.6 mm (5.14 in), a difference of 1.6 mm (1%). At its widest point the Streamlight ProTac 2L-X USB is 8.1 mm slimmer (26.9 vs 35 mm). The Streamlight ProTac 2L-X USB is 92 g lighter (125 g vs 217 g, with battery).
Brightness and throw
The Acebeam E75 is rated brighter: 4,000 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 700% more.
Battery
The Acebeam E75 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 E75 was $99.90 at acebeam.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $16.85 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 E75 if you want more output (4,000 lm vs 500 lm). Choose the Streamlight ProTac 2L-X USB if you want a slimmer profile (8.1 mm narrower) and less weight (92 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam E75 Check price ↗ Streamlight ProTac 2L-X USB
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E75 vs ProTac 2L-X USB FAQ
Which is smaller, the Acebeam E75 or the Streamlight ProTac 2L-X USB?
The Acebeam E75 is the shorter light: 129 mm (5.08 in) against 130.6 mm (5.14 in), a difference of 1.6 mm (1%). At its widest point the Streamlight ProTac 2L-X USB is 8.1 mm slimmer (26.9 vs 35 mm). The Streamlight ProTac 2L-X USB is 92 g lighter (125 g vs 217 g, with battery).
Which is brighter, the Acebeam E75 or the Streamlight ProTac 2L-X USB?
The Acebeam E75 is rated brighter: 4,000 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 700% more.
Which is cheaper, the Acebeam E75 or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Acebeam E75 was $99.90 at acebeam.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $16.85 less. Prices change often, so check the current price before you buy.
Do the Acebeam E75 and Streamlight ProTac 2L-X USB use the same battery?
The Acebeam E75 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 E75 with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Acebeam E75: specs from Acebeam product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $99.90 from acebeam.com, checked Nov 4, 2026; prices change often.
- 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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