Fenix PD45R ACE vs Nitecore P23i size comparison
The Nitecore P23i is 13.7 mm (0.54 in) shorter than the Fenix PD45R ACE, and 1 mm wider at its widest point.
The Nitecore P23i is 13.7 mm (0.54 in) shorter than the Fenix PD45R ACE, and 1 mm wider at its widest point.
Dimensions
| Fenix PD45R ACE Check price ↗ | Nitecore P23i Check price ↗ | |
| Length | 157.7 mm (6.21 in) | 144 mm (5.67 in)−13.7 mm |
| Head / width | 30 mm (1.18 in) | 31 mm (1.22 in)+1 mm |
| Body | 25.9 mm (1.02 in) | 25 mm (0.98 in)−0.9 mm |
| Weight | 200.5 g with battery | — |
| Battery | 21700 | 21700 |
| Max output | 3,200 lm | 3,000 lm |
| Throw | 410 m | 470 m |
| Type | EDC | Tactical |
| Price | $129.95 at fenixlighting.com, as of Nov 4, 2026 | $99.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 30 mm wide x 25.9 mm high | batteryjunction.com sourced Retailer weight (297 g) looks inconsistent with this size; omitted until confirmed |
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PD45R ACE vs P23i: how they differ
Size and weight
The Nitecore P23i is the shorter light: 144 mm (5.67 in) against 157.7 mm (6.21 in), a difference of 13.7 mm (9%). At its widest point the Fenix PD45R ACE is 1 mm slimmer (30 vs 31 mm).
Brightness and throw
The Fenix PD45R ACE is rated brighter: 3,200 lm maximum vs 3,000 lm for the Nitecore P23i, 7% more. For beam distance the Nitecore P23i reaches further: 470 m vs 410 m rated throw (15% 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 PD45R ACE was $129.95 at fenixlighting.com and the Nitecore P23i $99.95 at batteryjunction.com, so the Nitecore P23i cost $30.00 less. Prices change often, so check the current price before you buy.
Type
The Fenix PD45R ACE is listed as edc and the Nitecore P23i as tactical, so they suit different jobs.
Which should you buy?
Choose the Nitecore P23i if you want a shorter light (13.7 mm shorter) and longer throw (470 m vs 410 m). On the specs we track, the Nitecore P23i is ahead or level everywhere; the Fenix PD45R ACE 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 PD45R ACE Check price ↗ Nitecore P23i
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PD45R ACE vs P23i FAQ
Which is smaller, the Fenix PD45R ACE or the Nitecore P23i?
The Nitecore P23i is the shorter light: 144 mm (5.67 in) against 157.7 mm (6.21 in), a difference of 13.7 mm (9%). At its widest point the Fenix PD45R ACE is 1 mm slimmer (30 vs 31 mm).
Which is brighter, the Fenix PD45R ACE or the Nitecore P23i?
The Fenix PD45R ACE is rated brighter: 3,200 lm maximum vs 3,000 lm for the Nitecore P23i, 7% more. For beam distance the Nitecore P23i reaches further: 470 m vs 410 m rated throw (15% more).
Which is cheaper, the Fenix PD45R ACE or the Nitecore P23i?
When we checked on Nov 4, 2026, the Fenix PD45R ACE was $129.95 at fenixlighting.com and the Nitecore P23i $99.95 at batteryjunction.com, so the Nitecore P23i cost $30.00 less. Prices change often, so check the current price before you buy.
Do the Fenix PD45R ACE and Nitecore P23i use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Fenix PD45R ACE with similar lights
Compare Nitecore P23i with similar lights
More
Sources
- Fenix PD45R ACE: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (fenixlighting.com), scaled to the published length and diameter. Price $129.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Nitecore P23i: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $99.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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