Fenix PD35R vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 5.4 mm (0.21 in) shorter than the Fenix PD35R, and 1.5 mm wider at its widest point. It is 15 g lighter (with battery).
The Streamlight ProTac 2L-X USB is 5.4 mm (0.21 in) shorter than the Fenix PD35R, and 1.5 mm wider at its widest point. It is 15 g lighter (with battery).
Dimensions
| Fenix PD35R Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 136 mm (5.35 in) | 130.6 mm (5.14 in)−5.4 mm |
| Head / width | 25.4 mm (1.00 in) | 26.9 mm (1.06 in)+1.5 mm |
| Body | 23.2 mm (0.91 in) | 23.9 mm (0.94 in)+0.7 mm |
| Weight | 140 g with battery | 125 g with battery−15 g |
| Battery | 18650 / 2x CR123A | 18650 / 2x CR123A |
| Max output | 1,700 lm | 500 lm |
| Throw | 353 m | — |
| Type | EDC | EDC |
| Price | $89.95 at fenixlighting.com, as of Nov 4, 2026 | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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PD35R vs ProTac 2L-X USB: how they differ
Size and weight
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 136 mm (5.35 in), a difference of 5.4 mm (4%). At its widest point the Fenix PD35R is 1.5 mm slimmer (25.4 vs 26.9 mm). The Streamlight ProTac 2L-X USB is 15 g lighter (125 g vs 140 g, with battery).
Brightness and throw
The Fenix PD35R is rated brighter: 1,700 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 240% more.
Battery
Both run on removable 18650 / 2x CR123A batteries, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Fenix PD35R was $89.95 at fenixlighting.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $6.90 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 Fenix PD35R if you want a slimmer profile (1.5 mm narrower) and more output (1,700 lm vs 500 lm). Choose the Streamlight ProTac 2L-X USB if you want a shorter light (5.4 mm shorter) and less weight (15 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD35R Check price ↗ Streamlight ProTac 2L-X USB
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PD35R vs ProTac 2L-X USB FAQ
Which is smaller, the Fenix PD35R or the Streamlight ProTac 2L-X USB?
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 136 mm (5.35 in), a difference of 5.4 mm (4%). At its widest point the Fenix PD35R is 1.5 mm slimmer (25.4 vs 26.9 mm). The Streamlight ProTac 2L-X USB is 15 g lighter (125 g vs 140 g, with battery).
Which is brighter, the Fenix PD35R or the Streamlight ProTac 2L-X USB?
The Fenix PD35R is rated brighter: 1,700 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 240% more.
Which is cheaper, the Fenix PD35R or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Fenix PD35R was $89.95 at fenixlighting.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $6.90 less. Prices change often, so check the current price before you buy.
Do the Fenix PD35R and Streamlight ProTac 2L-X USB use the same battery?
Both run on removable 18650 / 2x CR123A batteries, so spare cells work in either light.
Compare Fenix PD35R with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Fenix PD35R: specs from Fenix product page (manufacturer). Price $89.95 from fenixlighting.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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