Fenix TK20R UE vs Streamlight ProTac HL-X size comparison
The Streamlight ProTac HL-X is 15.7 mm (0.62 in) shorter than the Fenix TK20R UE, and 3 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The Streamlight ProTac HL-X is 15.7 mm (0.62 in) shorter than the Fenix TK20R UE, and 3 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix TK20R UE Check price ↗ | Streamlight ProTac HL-X Check price ↗ | |
| Length | 153.7 mm (6.05 in) | 138 mm (5.43 in)−15.7 mm |
| Head / width | 34 mm (1.34 in) | 37 mm (1.46 in)+3 mm |
| Body | 25.4 mm (1.00 in) | 25 mm (0.98 in)−0.4 mm |
| Weight | 204 g with battery | 162 g listed |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 2,800 lm | 1,000 lm |
| Throw | 465 m | 330 m |
| Type | Tactical | Tactical |
| Price | $89.95 at fenixlighting.com, as of Nov 4, 2026 | from $112.15 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TK20R UE vs ProTac HL-X: how they differ
Size and weight
The Streamlight ProTac HL-X is the shorter light: 138 mm (5.43 in) against 153.7 mm (6.05 in), a difference of 15.7 mm (10%). At its widest point the Fenix TK20R UE is 3 mm slimmer (34 vs 37 mm). Weights are published on different bases (Fenix TK20R UE: 204 g with battery; Streamlight ProTac HL-X: 162 g listed), so they are not directly comparable.
Brightness and throw
The Fenix TK20R UE is rated brighter: 2,800 lm maximum vs 1,000 lm for the Streamlight ProTac HL-X, 180% more. For beam distance the Fenix TK20R UE reaches further: 465 m vs 330 m rated throw (41% more).
Battery
The Fenix TK20R UE runs on a removable 21700 battery; the Streamlight ProTac HL-X 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 TK20R UE was $89.95 at fenixlighting.com and the Streamlight ProTac HL-X from $112.15 at batteryjunction.com, so the Fenix TK20R UE cost $22.20 less. Prices change often, so check the current price before you buy.
Type
Both are tactical lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix TK20R UE if you want a slimmer profile (3 mm narrower), more output (2,800 lm vs 1,000 lm) and longer throw (465 m vs 330 m). Choose the Streamlight ProTac HL-X if you want a shorter light (15.7 mm shorter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK20R UE Check price ↗ Streamlight ProTac HL-X
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TK20R UE vs ProTac HL-X FAQ
Which is smaller, the Fenix TK20R UE or the Streamlight ProTac HL-X?
The Streamlight ProTac HL-X is the shorter light: 138 mm (5.43 in) against 153.7 mm (6.05 in), a difference of 15.7 mm (10%). At its widest point the Fenix TK20R UE is 3 mm slimmer (34 vs 37 mm). Weights are published on different bases (Fenix TK20R UE: 204 g with battery; Streamlight ProTac HL-X: 162 g listed), so they are not directly comparable.
Which is brighter, the Fenix TK20R UE or the Streamlight ProTac HL-X?
The Fenix TK20R UE is rated brighter: 2,800 lm maximum vs 1,000 lm for the Streamlight ProTac HL-X, 180% more. For beam distance the Fenix TK20R UE reaches further: 465 m vs 330 m rated throw (41% more).
Which is cheaper, the Fenix TK20R UE or the Streamlight ProTac HL-X?
When we checked on Nov 4, 2026, the Fenix TK20R UE was $89.95 at fenixlighting.com and the Streamlight ProTac HL-X from $112.15 at batteryjunction.com, so the Fenix TK20R UE cost $22.20 less. Prices change often, so check the current price before you buy.
Do the Fenix TK20R UE and Streamlight ProTac HL-X use the same battery?
The Fenix TK20R UE runs on a removable 21700 battery; the Streamlight ProTac HL-X 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 TK20R UE with similar lights
Compare Streamlight ProTac HL-X with similar lights
More
Sources
- Fenix TK20R UE: specs from Fenix product page (manufacturer). Price $89.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Streamlight ProTac HL-X: specs from manufacturer published specs as listed by batteryjunction.com. Price from $112.15 from batteryjunction.com, checked Nov 4, 2026; prices change often.
Found an error? Email liambuehlerbusiness@gmail.com and we will fix it.