Emisar D1K vs Fenix E08R UE size comparison
The Fenix E08R UE is 15 mm (0.59 in) longer than the Emisar D1K, and 4 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Fenix E08R UE: Photo: Fenix · Image policy
The Fenix E08R UE is 15 mm (0.59 in) longer than the Emisar D1K, and 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 D1K Check price ↗ | Fenix E08R UE Check price ↗ | |
| Length | 114 mm (4.49 in) | 129 mm (5.08 in)+15 mm |
| Head / width | 35 mm (1.38 in) | 31 mm (1.22 in)−4 mm |
| Body | 26.5 mm (1.04 in) | — |
| Thickness | — | 18 mm (0.71 in) |
| Weight | 89 g without battery | 125 g with battery |
| Battery | 21700 | Built-in |
| Max output | 1,200 lm | 1,600 lm |
| Throw | — | 160 m |
| Type | EDC | EDC |
| Price | $39.95 at intl-outdoor.com, as of Nov 4, 2026 | $84.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Pocket thrower; lumens for SFT-25 | fenixlighting.com sourced Listed 31.0 mm wide x 18.0 mm thick |
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D1K vs E08R UE: how they differ
Size and weight
The Emisar D1K is the shorter light: 114 mm (4.49 in) against 129 mm (5.08 in), a difference of 15 mm (12%). At its widest point the Fenix E08R UE is 4 mm slimmer (31 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; Fenix E08R UE: 125 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix E08R UE is rated brighter: 1,600 lm maximum vs 1,200 lm for the Emisar D1K, 33% more.
Battery
The Emisar D1K runs on a removable 21700 battery; the Fenix E08R UE runs on a built-in rechargeable battery. Only the Emisar D1K lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the Fenix E08R UE $84.95 at fenixlighting.com, so the Emisar D1K cost $45.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Emisar D1K if you want a shorter light (15 mm shorter) and a removable cell you can swap. Choose the Fenix E08R UE if you want a slimmer profile (4 mm narrower), more output (1,600 lm vs 1,200 lm) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Emisar D1K Check price ↗ Fenix E08R UE
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D1K vs E08R UE FAQ
Which is smaller, the Emisar D1K or the Fenix E08R UE?
The Emisar D1K is the shorter light: 114 mm (4.49 in) against 129 mm (5.08 in), a difference of 15 mm (12%). At its widest point the Fenix E08R UE is 4 mm slimmer (31 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; Fenix E08R UE: 125 g with battery), so they are not directly comparable.
Which is brighter, the Emisar D1K or the Fenix E08R UE?
The Fenix E08R UE is rated brighter: 1,600 lm maximum vs 1,200 lm for the Emisar D1K, 33% more.
Which is cheaper, the Emisar D1K or the Fenix E08R UE?
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the Fenix E08R UE $84.95 at fenixlighting.com, so the Emisar D1K cost $45.00 less. Prices change often, so check the current price before you buy.
Do the Emisar D1K and Fenix E08R UE use the same battery?
The Emisar D1K runs on a removable 21700 battery; the Fenix E08R UE runs on a built-in rechargeable battery. Only the Emisar D1K lets you swap in a charged spare.
Compare Emisar D1K with similar lights
Compare Fenix E08R UE with similar lights
More
Sources
- Emisar D1K: specs from Emisar product page (manufacturer). Drawing: outline from published specs. Price $39.95 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Fenix E08R UE: specs from Fenix product page (manufacturer). Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Fenix; image policy). Price $84.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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