Fenix E35R vs Olight Arkfeld Ultra size comparison
The Olight Arkfeld Ultra is about the same length as the Fenix E35R, and 0.5 mm wider at its widest point. It is 29 g lighter (with battery).
The Olight Arkfeld Ultra is about the same length as the Fenix E35R, and 0.5 mm wider at its widest point. It is 29 g lighter (with battery).
Dimensions
| Fenix E35R Check price ↗ | Olight Arkfeld Ultra Check price ↗ | |
| Length | 120 mm (4.72 in) | 120 mm (4.72 in)same |
| Head / width | 26.5 mm (1.04 in) | 27 mm (1.06 in)+0.5 mm |
| Body | 24.8 mm (0.98 in) | — |
| Thickness | — | 16 mm (0.63 in) |
| Weight | 148 g with battery | 119 g with battery−29 g |
| Battery | 21700 | Built-in |
| Max output | 3,100 lm | — |
| Throw | 260 m | 103 m |
| Type | EDC | EDC |
| Price | $79.95 at fenixlighting.com, as of Nov 4, 2026 | $119.99 at olight.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | olight.com sourced Max output not shown in spec block |
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E35R vs Arkfeld Ultra: how they differ
Size and weight
The Fenix E35R and Olight Arkfeld Ultra are the same length to within half a millimetre (120 mm (4.72 in)). At its widest point the Fenix E35R is 0.5 mm slimmer (26.5 vs 27 mm). The Olight Arkfeld Ultra is 29 g lighter (119 g vs 148 g, with battery).
Brightness and throw
The Fenix E35R is rated at 3,100 lm; we have no published maximum for the Olight Arkfeld Ultra. For beam distance the Fenix E35R reaches further: 260 m vs 103 m rated throw (152% more).
Battery
The Fenix E35R runs on a removable 21700 battery; the Olight Arkfeld Ultra runs on a built-in rechargeable battery. Only the Fenix E35R lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix E35R was $79.95 at fenixlighting.com and the Olight Arkfeld Ultra $119.99 at olight.com, so the Fenix E35R cost $40.04 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 Fenix E35R if you want longer throw (260 m vs 103 m) and a removable cell you can swap. Choose the Olight Arkfeld Ultra if you want less weight (29 g lighter) 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 ↗ Fenix E35R Check price ↗ Olight Arkfeld Ultra
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E35R vs Arkfeld Ultra FAQ
Which is smaller, the Fenix E35R or the Olight Arkfeld Ultra?
The Fenix E35R and Olight Arkfeld Ultra are the same length to within half a millimetre (120 mm (4.72 in)). At its widest point the Fenix E35R is 0.5 mm slimmer (26.5 vs 27 mm). The Olight Arkfeld Ultra is 29 g lighter (119 g vs 148 g, with battery).
Which is cheaper, the Fenix E35R or the Olight Arkfeld Ultra?
When we checked on Nov 4, 2026, the Fenix E35R was $79.95 at fenixlighting.com and the Olight Arkfeld Ultra $119.99 at olight.com, so the Fenix E35R cost $40.04 less. Prices change often, so check the current price before you buy.
Do the Fenix E35R and Olight Arkfeld Ultra use the same battery?
The Fenix E35R runs on a removable 21700 battery; the Olight Arkfeld Ultra runs on a built-in rechargeable battery. Only the Fenix E35R lets you swap in a charged spare.
Compare Fenix E35R with similar lights
Compare Olight Arkfeld Ultra with similar lights
More
Sources
- Fenix E35R: specs from Fenix product page (manufacturer). Price $79.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Olight Arkfeld Ultra: specs from Olight product page (manufacturer). Price $119.99 from olight.com, checked Nov 4, 2026; prices change often.
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