Fenix WF05E vs Streamlight PolyTac X USB size comparison
The Streamlight PolyTac X USB is 4.5 mm (0.18 in) longer than the Fenix WF05E, and 13 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The Streamlight PolyTac X USB is 4.5 mm (0.18 in) longer than the Fenix WF05E, and 13 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Fenix WF05E Check price ↗ | Streamlight PolyTac X USB Check price ↗ | |
| Length | 134.5 mm (5.30 in) | 139 mm (5.47 in)+4.5 mm |
| Head / width | 19 mm (0.75 in) | 32 mm (1.26 in)+13 mm |
| Body | 14.9 mm (0.59 in) | 25 mm (0.98 in)+10.1 mm |
| Weight | 38 g without battery | 139 g listed |
| Battery | 2x AAA | 18650 / 2x CR123A |
| Max output | 85 lm | 600 lm |
| Throw | 54 m | 205 m |
| Type | Work light | Work light |
| Price | $34.95 at fenixlighting.com, as of Nov 4, 2026 | $74.75 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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WF05E vs PolyTac X USB: how they differ
Size and weight
The Fenix WF05E is the shorter light: 134.5 mm (5.30 in) against 139 mm (5.47 in), a difference of 4.5 mm (3%). At its widest point the Fenix WF05E is 13 mm slimmer (19 vs 32 mm). Weights are published on different bases (Fenix WF05E: 38 g without battery; Streamlight PolyTac X USB: 139 g listed), so they are not directly comparable.
Brightness and throw
The Streamlight PolyTac X USB is rated brighter: 600 lm maximum vs 85 lm for the Fenix WF05E, 606% more. For beam distance the Streamlight PolyTac X USB reaches further: 205 m vs 54 m rated throw (280% more).
Battery
The Fenix WF05E runs on removable 2x AAA batteries; the Streamlight PolyTac X USB runs on removable 18650 / 2x CR123A batteries. For scale, a AAA cell is about 10.5 × 44.5 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix WF05E was $34.95 at fenixlighting.com and the Streamlight PolyTac X USB $74.75 at batteryjunction.com, so the Fenix WF05E cost $39.80 less. Prices change often, so check the current price before you buy.
Type
Both are work lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix WF05E if you want a shorter light (4.5 mm shorter) and a slimmer profile (13 mm narrower). Choose the Streamlight PolyTac X USB if you want more output (600 lm vs 85 lm) and longer throw (205 m vs 54 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix WF05E Check price ↗ Streamlight PolyTac X USB
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
WF05E vs PolyTac X USB FAQ
Which is smaller, the Fenix WF05E or the Streamlight PolyTac X USB?
The Fenix WF05E is the shorter light: 134.5 mm (5.30 in) against 139 mm (5.47 in), a difference of 4.5 mm (3%). At its widest point the Fenix WF05E is 13 mm slimmer (19 vs 32 mm). Weights are published on different bases (Fenix WF05E: 38 g without battery; Streamlight PolyTac X USB: 139 g listed), so they are not directly comparable.
Which is brighter, the Fenix WF05E or the Streamlight PolyTac X USB?
The Streamlight PolyTac X USB is rated brighter: 600 lm maximum vs 85 lm for the Fenix WF05E, 606% more. For beam distance the Streamlight PolyTac X USB reaches further: 205 m vs 54 m rated throw (280% more).
Which is cheaper, the Fenix WF05E or the Streamlight PolyTac X USB?
When we checked on Nov 4, 2026, the Fenix WF05E was $34.95 at fenixlighting.com and the Streamlight PolyTac X USB $74.75 at batteryjunction.com, so the Fenix WF05E cost $39.80 less. Prices change often, so check the current price before you buy.
Do the Fenix WF05E and Streamlight PolyTac X USB use the same battery?
The Fenix WF05E runs on removable 2x AAA batteries; the Streamlight PolyTac X USB runs on removable 18650 / 2x CR123A batteries. For scale, a AAA cell is about 10.5 × 44.5 mm and a 18650 about 18 × 65 mm (nominal).
Compare Fenix WF05E with similar lights
Compare Streamlight PolyTac X USB with similar lights
More
Sources
- Fenix WF05E: specs from Fenix product page (manufacturer). Price $34.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- 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.
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