Fenix TK15R vs Nitecore P23i size comparison
The Nitecore P23i is 5 mm (0.20 in) shorter than the Fenix TK15R, and 3 mm narrower at its widest point.
The Nitecore P23i is 5 mm (0.20 in) shorter than the Fenix TK15R, and 3 mm narrower at its widest point.
Dimensions
| Fenix TK15R Check price ↗ | Nitecore P23i Check price ↗ | |
| Length | 149 mm (5.87 in) | 144 mm (5.67 in)−5 mm |
| Head / width | 34 mm (1.34 in) | 31 mm (1.22 in)−3 mm |
| Body | 25.4 mm (1.00 in) | 25 mm (0.98 in)−0.4 mm |
| Weight | 205.5 g with battery | — |
| Battery | 21700 | 21700 |
| Max output | 3,200 lm | 3,000 lm |
| Throw | 490 m | 470 m |
| Type | Tactical | Tactical |
| Price | $119.95 at fenixlighting.com, as of Nov 4, 2026 | $99.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced Retailer weight (297 g) looks inconsistent with this size; omitted until confirmed |
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TK15R vs P23i: how they differ
Size and weight
The Nitecore P23i is the shorter light: 144 mm (5.67 in) against 149 mm (5.87 in), a difference of 5 mm (3%). At its widest point the Nitecore P23i is 3 mm slimmer (31 vs 34 mm).
Brightness and throw
The Fenix TK15R is rated brighter: 3,200 lm maximum vs 3,000 lm for the Nitecore P23i, 7% more. For beam distance the Fenix TK15R reaches further: 490 m vs 470 m rated throw (4% more).
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Fenix TK15R was $119.95 at fenixlighting.com and the Nitecore P23i $99.95 at batteryjunction.com, so the Nitecore P23i cost $20.00 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 Nitecore P23i if you want a shorter light (5 mm shorter) and a slimmer profile (3 mm narrower). On the specs we track, the Nitecore P23i is ahead or level everywhere; the Fenix TK15R 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 TK15R Check price ↗ Nitecore P23i
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TK15R vs P23i FAQ
Which is smaller, the Fenix TK15R or the Nitecore P23i?
The Nitecore P23i is the shorter light: 144 mm (5.67 in) against 149 mm (5.87 in), a difference of 5 mm (3%). At its widest point the Nitecore P23i is 3 mm slimmer (31 vs 34 mm).
Which is brighter, the Fenix TK15R or the Nitecore P23i?
The Fenix TK15R is rated brighter: 3,200 lm maximum vs 3,000 lm for the Nitecore P23i, 7% more. For beam distance the Fenix TK15R reaches further: 490 m vs 470 m rated throw (4% more).
Which is cheaper, the Fenix TK15R or the Nitecore P23i?
When we checked on Nov 4, 2026, the Fenix TK15R was $119.95 at fenixlighting.com and the Nitecore P23i $99.95 at batteryjunction.com, so the Nitecore P23i cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Fenix TK15R and Nitecore P23i use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Fenix TK15R with similar lights
Compare Nitecore P23i with similar lights
More
Sources
- Fenix TK15R: specs from Fenix product page (manufacturer). Price $119.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Nitecore P23i: specs from manufacturer published specs as listed by batteryjunction.com. Price $99.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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