Fenix PD36R PRO vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 15.3 mm (0.60 in) shorter than the Fenix PD36R PRO, with about the same max diameter/width. It is 44 g lighter (with battery).
The Streamlight ProTac 2L-X USB is 15.3 mm (0.60 in) shorter than the Fenix PD36R PRO, with about the same max diameter/width. It is 44 g lighter (with battery).
Dimensions
| Fenix PD36R PRO Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 145.8 mm (5.74 in) | 130.6 mm (5.14 in)−15.3 mm |
| Head / width | 26.5 mm (1.04 in) | 26.9 mm (1.06 in)+0.4 mm |
| Body | 25.7 mm (1.01 in) | 23.9 mm (0.94 in)−1.8 mm |
| Weight | 169 g with battery | 125 g with battery−44 g |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 2,800 lm | 500 lm |
| Throw | 380 m | — |
| Type | EDC | EDC |
| Price | $119.95 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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PD36R PRO 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 145.8 mm (5.74 in), a difference of 15.3 mm (10%). At their widest points they are about the same (26.5 vs 26.9 mm). The Streamlight ProTac 2L-X USB is 44 g lighter (125 g vs 169 g, with battery).
Brightness and throw
The Fenix PD36R PRO is rated brighter: 2,800 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 460% more.
Battery
The Fenix PD36R PRO 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 Fenix PD36R PRO was $119.95 at fenixlighting.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $36.90 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 PD36R PRO if you want more output (2,800 lm vs 500 lm). Choose the Streamlight ProTac 2L-X USB if you want a shorter light (15.3 mm shorter) and less weight (44 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD36R PRO Check price ↗ Streamlight ProTac 2L-X USB
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PD36R PRO vs ProTac 2L-X USB FAQ
Which is smaller, the Fenix PD36R PRO or the Streamlight ProTac 2L-X USB?
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 145.8 mm (5.74 in), a difference of 15.3 mm (10%). At their widest points they are about the same (26.5 vs 26.9 mm). The Streamlight ProTac 2L-X USB is 44 g lighter (125 g vs 169 g, with battery).
Which is brighter, the Fenix PD36R PRO or the Streamlight ProTac 2L-X USB?
The Fenix PD36R PRO is rated brighter: 2,800 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 460% more.
Which is cheaper, the Fenix PD36R PRO or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Fenix PD36R PRO was $119.95 at fenixlighting.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $36.90 less. Prices change often, so check the current price before you buy.
Do the Fenix PD36R PRO and Streamlight ProTac 2L-X USB use the same battery?
The Fenix PD36R PRO 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 Fenix PD36R PRO with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Fenix PD36R PRO: specs from Fenix product page (manufacturer). Price $119.95 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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