Fenix TK16 V2.0 vs Fenix TK17 size comparison
The Fenix TK17 is 5.5 mm (0.22 in) longer than the Fenix TK16 V2.0, and 2 mm wider at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Fenix TK17 is 5.5 mm (0.22 in) longer than the Fenix TK16 V2.0, and 2 mm wider at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Fenix TK16 V2.0 Check price ↗ | Fenix TK17 Check price ↗ | |
| Length | 143 mm (5.63 in) | 148.5 mm (5.85 in)+5.5 mm |
| Head / width | 34 mm (1.34 in) | 36 mm (1.42 in)+2 mm |
| Body | 25.4 mm (1.00 in) | 25.4 mm (1.00 in)same |
| Weight | 112 g without battery | 197.2 g with battery |
| Battery | 21700 | One included 6000mAh rechargeable li-ion |
| Max output | 3,100 lm | 3,600 lm |
| Throw | 380 m | 330 m |
| Type | Tactical | Tactical |
| Price | $99.95 at fenixlighting.com, as of Nov 4, 2026 | $104.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced |
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TK16 V2.0 vs TK17: how they differ
Size and weight
The Fenix TK16 V2.0 is the shorter light: 143 mm (5.63 in) against 148.5 mm (5.85 in), a difference of 5.5 mm (4%). At its widest point the Fenix TK16 V2.0 is 2 mm slimmer (34 vs 36 mm). Weights are published on different bases (Fenix TK16 V2.0: 112 g without battery; Fenix TK17: 197.2 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix TK17 is rated brighter: 3,600 lm maximum vs 3,100 lm for the Fenix TK16 V2.0, 16% more. For beam distance the Fenix TK16 V2.0 reaches further: 380 m vs 330 m rated throw (15% more).
Battery
The Fenix TK16 V2.0 runs on a removable 21700 battery; the Fenix TK17 runs on its own battery (One included 6000mAh rechargeable li-ion).
Price
When we checked on Nov 4, 2026, the Fenix TK16 V2.0 was $99.95 at fenixlighting.com and the Fenix TK17 $104.95 at fenixlighting.com, so the Fenix TK16 V2.0 cost $5.00 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 TK16 V2.0 if you want a shorter light (5.5 mm shorter), a slimmer profile (2 mm narrower) and longer throw (380 m vs 330 m). Choose the Fenix TK17 if you want more output (3,600 lm vs 3,100 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK16 V2.0 Check price ↗ Fenix TK17
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TK16 V2.0 vs TK17 FAQ
Which is smaller, the Fenix TK16 V2.0 or the Fenix TK17?
The Fenix TK16 V2.0 is the shorter light: 143 mm (5.63 in) against 148.5 mm (5.85 in), a difference of 5.5 mm (4%). At its widest point the Fenix TK16 V2.0 is 2 mm slimmer (34 vs 36 mm). Weights are published on different bases (Fenix TK16 V2.0: 112 g without battery; Fenix TK17: 197.2 g with battery), so they are not directly comparable.
Which is brighter, the Fenix TK16 V2.0 or the Fenix TK17?
The Fenix TK17 is rated brighter: 3,600 lm maximum vs 3,100 lm for the Fenix TK16 V2.0, 16% more. For beam distance the Fenix TK16 V2.0 reaches further: 380 m vs 330 m rated throw (15% more).
Which is cheaper, the Fenix TK16 V2.0 or the Fenix TK17?
When we checked on Nov 4, 2026, the Fenix TK16 V2.0 was $99.95 at fenixlighting.com and the Fenix TK17 $104.95 at fenixlighting.com, so the Fenix TK16 V2.0 cost $5.00 less. Prices change often, so check the current price before you buy.
Do the Fenix TK16 V2.0 and Fenix TK17 use the same battery?
The Fenix TK16 V2.0 runs on a removable 21700 battery; the Fenix TK17 runs on its own battery (One included 6000mAh rechargeable li-ion).
Compare Fenix TK16 V2.0 with similar lights
Compare Fenix TK17 with similar lights
More
Sources
- Fenix TK16 V2.0: specs from Fenix product page (manufacturer). Price $99.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix TK17: specs from Fenix product page (manufacturer). Price $104.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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