Fenix TK35UE V2.0 vs Nitecore P23i size comparison
The Nitecore P23i is 1 mm (0.04 in) longer than the Fenix TK35UE V2.0, and 12 mm narrower at its widest point.
The Nitecore P23i is 1 mm (0.04 in) longer than the Fenix TK35UE V2.0, and 12 mm narrower at its widest point.
Dimensions
| Fenix TK35UE V2.0 Check price ↗ | Nitecore P23i Check price ↗ | |
| Length | 143 mm (5.63 in) | 144 mm (5.67 in)+1 mm |
| Head / width | 43 mm (1.69 in) | 31 mm (1.22 in)−12 mm |
| Body | — | 25 mm (0.98 in) |
| Weight | 202 g without battery | — |
| Battery | 18650 / 2x CR123A | 21700 |
| Max output | 5,000 lm | 3,000 lm |
| Throw | 400 m | 470 m |
| Type | Tactical | Tactical |
| Price | $139.95 at fenixlighting.com, as of Nov 4, 2026 | $99.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Only head diameter listed | batteryjunction.com sourced Retailer weight (297 g) looks inconsistent with this size; omitted until confirmed |
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TK35UE V2.0 vs P23i: how they differ
Size and weight
The Fenix TK35UE V2.0 is the shorter light: 143 mm (5.63 in) against 144 mm (5.67 in), a difference of 1 mm (1%). At its widest point the Nitecore P23i is 12 mm slimmer (31 vs 43 mm).
Brightness and throw
The Fenix TK35UE V2.0 is rated brighter: 5,000 lm maximum vs 3,000 lm for the Nitecore P23i, 67% more. For beam distance the Nitecore P23i reaches further: 470 m vs 400 m rated throw (18% more).
Battery
The Fenix TK35UE V2.0 runs on removable 18650 / 2x CR123A batteries; the Nitecore P23i runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix TK35UE V2.0 was $139.95 at fenixlighting.com and the Nitecore P23i $99.95 at batteryjunction.com, so the Nitecore P23i cost $40.00 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 TK35UE V2.0 if you want more output (5,000 lm vs 3,000 lm). Choose the Nitecore P23i if you want a slimmer profile (12 mm narrower) and longer throw (470 m vs 400 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK35UE V2.0 Check price ↗ Nitecore P23i
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TK35UE V2.0 vs P23i FAQ
Which is smaller, the Fenix TK35UE V2.0 or the Nitecore P23i?
The Fenix TK35UE V2.0 is the shorter light: 143 mm (5.63 in) against 144 mm (5.67 in), a difference of 1 mm (1%). At its widest point the Nitecore P23i is 12 mm slimmer (31 vs 43 mm).
Which is brighter, the Fenix TK35UE V2.0 or the Nitecore P23i?
The Fenix TK35UE V2.0 is rated brighter: 5,000 lm maximum vs 3,000 lm for the Nitecore P23i, 67% more. For beam distance the Nitecore P23i reaches further: 470 m vs 400 m rated throw (18% more).
Which is cheaper, the Fenix TK35UE V2.0 or the Nitecore P23i?
When we checked on Nov 4, 2026, the Fenix TK35UE V2.0 was $139.95 at fenixlighting.com and the Nitecore P23i $99.95 at batteryjunction.com, so the Nitecore P23i cost $40.00 less. Prices change often, so check the current price before you buy.
Do the Fenix TK35UE V2.0 and Nitecore P23i use the same battery?
The Fenix TK35UE V2.0 runs on removable 18650 / 2x CR123A batteries; the Nitecore P23i runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Compare Fenix TK35UE V2.0 with similar lights
Compare Nitecore P23i with similar lights
More
Sources
- Fenix TK35UE V2.0: specs from Fenix product page (manufacturer). Price $139.95 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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