Streamlight PolyTac X USB vs SureFire EDC2-DFT size comparison
The SureFire EDC2-DFT is 11 mm (0.43 in) longer than the Streamlight PolyTac X USB, with about the same max diameter/width. Weights are published on different bases (listed vs listed), so compare them with care.
The SureFire EDC2-DFT is 11 mm (0.43 in) longer than the Streamlight PolyTac X USB, with about the same max diameter/width. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| Streamlight PolyTac X USB Check price ↗ | SureFire EDC2-DFT Check price ↗ | |
| Length | 139 mm (5.47 in) | 150 mm (5.91 in)+11 mm |
| Head / width | 32 mm (1.26 in) | 32 mm (1.26 in)same |
| Body | 25 mm (0.98 in) | — |
| Weight | 139 g listed | 159 g listed |
| Battery | 18650 / 2x CR123A | 18650 |
| Max output | 600 lm | 700 lm |
| Throw | 205 m | 632 m |
| Type | Work light | EDC |
| Price | $74.75 at batteryjunction.com, as of Nov 4, 2026 | from $287.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced Only head diameter listed |
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PolyTac X USB vs EDC2-DFT: how they differ
Size and weight
The Streamlight PolyTac X USB is the shorter light: 139 mm (5.47 in) against 150 mm (5.91 in), a difference of 11 mm (7%). At their widest points they are about the same (32 vs 32 mm). Weights are published on different bases (Streamlight PolyTac X USB: 139 g listed; SureFire EDC2-DFT: 159 g listed), so they are not directly comparable.
Brightness and throw
The SureFire EDC2-DFT is rated brighter: 700 lm maximum vs 600 lm for the Streamlight PolyTac X USB, 17% more. For beam distance the SureFire EDC2-DFT reaches further: 632 m vs 205 m rated throw (208% more).
Battery
The Streamlight PolyTac X USB runs on removable 18650 / 2x CR123A batteries; the SureFire EDC2-DFT runs on a removable 18650 battery.
Price
When we checked on Nov 4, 2026, the Streamlight PolyTac X USB was $74.75 at batteryjunction.com and the SureFire EDC2-DFT from $287.00 at batteryjunction.com, so the Streamlight PolyTac X USB cost $212.25 less. Prices change often, so check the current price before you buy.
Type
The Streamlight PolyTac X USB is listed as work light and the SureFire EDC2-DFT as edc, so they suit different jobs.
Which should you buy?
Choose the Streamlight PolyTac X USB if you want a shorter light (11 mm shorter). Choose the SureFire EDC2-DFT if you want more output (700 lm vs 600 lm) and longer throw (632 m vs 205 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Streamlight PolyTac X USB Check price ↗ SureFire EDC2-DFT
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
PolyTac X USB vs EDC2-DFT FAQ
Which is smaller, the Streamlight PolyTac X USB or the SureFire EDC2-DFT?
The Streamlight PolyTac X USB is the shorter light: 139 mm (5.47 in) against 150 mm (5.91 in), a difference of 11 mm (7%). At their widest points they are about the same (32 vs 32 mm). Weights are published on different bases (Streamlight PolyTac X USB: 139 g listed; SureFire EDC2-DFT: 159 g listed), so they are not directly comparable.
Which is brighter, the Streamlight PolyTac X USB or the SureFire EDC2-DFT?
The SureFire EDC2-DFT is rated brighter: 700 lm maximum vs 600 lm for the Streamlight PolyTac X USB, 17% more. For beam distance the SureFire EDC2-DFT reaches further: 632 m vs 205 m rated throw (208% more).
Which is cheaper, the Streamlight PolyTac X USB or the SureFire EDC2-DFT?
When we checked on Nov 4, 2026, the Streamlight PolyTac X USB was $74.75 at batteryjunction.com and the SureFire EDC2-DFT from $287.00 at batteryjunction.com, so the Streamlight PolyTac X USB cost $212.25 less. Prices change often, so check the current price before you buy.
Do the Streamlight PolyTac X USB and SureFire EDC2-DFT use the same battery?
The Streamlight PolyTac X USB runs on removable 18650 / 2x CR123A batteries; the SureFire EDC2-DFT runs on a removable 18650 battery.
Compare Streamlight PolyTac X USB with similar lights
Compare SureFire EDC2-DFT with similar lights
More
Sources
- Streamlight PolyTac X USB: specs from manufacturer published specs as listed by batteryjunction.com. Price $74.75 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- SureFire EDC2-DFT: specs from manufacturer published specs as listed by batteryjunction.com. Price from $287.00 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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