Emisar D4K vs Fenix PD26R ACE size comparison
The Fenix PD26R ACE is 3 mm (0.12 in) longer than the Emisar D4K, and 1.4 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Fenix PD26R ACE is 3 mm (0.12 in) longer than the Emisar D4K, and 1.4 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Emisar D4K Check price ↗ | Fenix PD26R ACE Check price ↗ | |
| Length | 103 mm (4.06 in) | 106 mm (4.17 in)+3 mm |
| Head / width | 28 mm (1.10 in) | 26.6 mm (1.05 in)−1.4 mm |
| Body | 26.5 mm (1.04 in) | 24.6 mm (0.97 in)−1.9 mm |
| Weight | 58 g without battery | 102.3 g with battery |
| Battery | 21700 | 18350 |
| Max output | — | 1,300 lm |
| Throw | — | 354 m |
| Type | EDC | EDC |
| Price | $39.69 at intl-outdoor.com, as of Nov 4, 2026 | from $62.96 at fenixlighting.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Output depends on LED option | fenixlighting.com sourced |
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D4K vs PD26R ACE: how they differ
Size and weight
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 106 mm (4.17 in), a difference of 3 mm (3%). At its widest point the Fenix PD26R ACE is 1.4 mm slimmer (26.6 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Fenix PD26R ACE: 102.3 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix PD26R ACE is rated at 1,300 lm; we have no published maximum for the Emisar D4K. Output for the Emisar D4K depends on the LED option chosen.
Battery
The Emisar D4K runs on a removable 21700 battery; the Fenix PD26R ACE runs on a removable 18350 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18350 about 18 × 35 mm (nominal).
Price
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Fenix PD26R ACE from $62.96 at fenixlighting.com, so the Emisar D4K cost $23.27 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Emisar D4K if you want a shorter light (3 mm shorter). On the specs we track, the Emisar D4K is ahead or level everywhere; the Fenix PD26R 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 ↗ Emisar D4K Check price ↗ Fenix PD26R ACE
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D4K vs PD26R ACE FAQ
Which is smaller, the Emisar D4K or the Fenix PD26R ACE?
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 106 mm (4.17 in), a difference of 3 mm (3%). At its widest point the Fenix PD26R ACE is 1.4 mm slimmer (26.6 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Fenix PD26R ACE: 102.3 g with battery), so they are not directly comparable.
Which is cheaper, the Emisar D4K or the Fenix PD26R ACE?
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Fenix PD26R ACE from $62.96 at fenixlighting.com, so the Emisar D4K cost $23.27 less. Prices change often, so check the current price before you buy.
Do the Emisar D4K and Fenix PD26R ACE use the same battery?
The Emisar D4K runs on a removable 21700 battery; the Fenix PD26R ACE runs on a removable 18350 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18350 about 18 × 35 mm (nominal).
Compare Emisar D4K with similar lights
Compare Fenix PD26R ACE with similar lights
More
Sources
- Emisar D4K: specs from Emisar product page (manufacturer). Price $39.69 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Fenix PD26R ACE: specs from Fenix product page (manufacturer). Price from $62.96 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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