Fenix TK21R vs Fenix TK22R size comparison
The Fenix TK22R is 1.5 mm (0.06 in) shorter than the Fenix TK21R, and 4 mm wider at its widest point. It is 3 g lighter (with battery).
The Fenix TK22R is 1.5 mm (0.06 in) shorter than the Fenix TK21R, and 4 mm wider at its widest point. It is 3 g lighter (with battery).
Dimensions
| Fenix TK21R Check price ↗ | Fenix TK22R Check price ↗ | |
| Length | 159.5 mm (6.28 in) | 158 mm (6.22 in)−1.5 mm |
| Head / width | 36 mm (1.42 in) | 40 mm (1.57 in)+4 mm |
| Body | 25.4 mm (1.00 in) | 25.4 mm (1.00 in)same |
| Weight | 221.4 g with battery | 218 g with battery−3 g |
| Battery | One included 6000mAh rechargeable li-ion | 21700 |
| Max output | 3,600 lm | 3,200 lm |
| Throw | 480 m | 480 m |
| Type | Tactical | Tactical |
| Price | $134.95 at fenixlighting.com, as of Nov 4, 2026 | $139.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced |
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TK21R vs TK22R: how they differ
Size and weight
The Fenix TK22R is the shorter light: 158 mm (6.22 in) against 159.5 mm (6.28 in), a difference of 1.5 mm (1%). At its widest point the Fenix TK21R is 4 mm slimmer (36 vs 40 mm). The Fenix TK22R is 3 g lighter (218 g vs 221.4 g, with battery).
Brightness and throw
The Fenix TK21R is rated brighter: 3,600 lm maximum vs 3,200 lm for the Fenix TK22R, 13% more. Rated throw is the same, 480 m.
Battery
The Fenix TK21R runs on its own battery (One included 6000mAh rechargeable li-ion); the Fenix TK22R runs on a removable 21700 battery.
Price
When we checked on Nov 4, 2026, the Fenix TK21R was $134.95 at fenixlighting.com and the Fenix TK22R $139.95 at fenixlighting.com, so the Fenix TK21R 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 TK21R if you want a slimmer profile (4 mm narrower) and more output (3,600 lm vs 3,200 lm). On the specs we track, the Fenix TK21R is ahead or level everywhere; the Fenix TK22R makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK21R Check price ↗ Fenix TK22R
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TK21R vs TK22R FAQ
Which is smaller, the Fenix TK21R or the Fenix TK22R?
The Fenix TK22R is the shorter light: 158 mm (6.22 in) against 159.5 mm (6.28 in), a difference of 1.5 mm (1%). At its widest point the Fenix TK21R is 4 mm slimmer (36 vs 40 mm). The Fenix TK22R is 3 g lighter (218 g vs 221.4 g, with battery).
Which is brighter, the Fenix TK21R or the Fenix TK22R?
The Fenix TK21R is rated brighter: 3,600 lm maximum vs 3,200 lm for the Fenix TK22R, 13% more. Rated throw is the same, 480 m.
Which is cheaper, the Fenix TK21R or the Fenix TK22R?
When we checked on Nov 4, 2026, the Fenix TK21R was $134.95 at fenixlighting.com and the Fenix TK22R $139.95 at fenixlighting.com, so the Fenix TK21R cost $5.00 less. Prices change often, so check the current price before you buy.
Do the Fenix TK21R and Fenix TK22R use the same battery?
The Fenix TK21R runs on its own battery (One included 6000mAh rechargeable li-ion); the Fenix TK22R runs on a removable 21700 battery.
Compare Fenix TK21R with similar lights
Compare Fenix TK22R with similar lights
More
Sources
- Fenix TK21R: specs from Fenix product page (manufacturer). Price $134.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix TK22R: specs from Fenix product page (manufacturer). Price $139.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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