Fenix E28R V2.0 vs Olight ArkPro Ultra size comparison
The Olight ArkPro Ultra is 3 mm (0.12 in) longer than the Fenix E28R V2.0, and 0.5 mm wider at its widest point. It is 8 g lighter (with battery).
The Olight ArkPro Ultra is 3 mm (0.12 in) longer than the Fenix E28R V2.0, and 0.5 mm wider at its widest point. It is 8 g lighter (with battery).
Dimensions
| Fenix E28R V2.0 Check price ↗ | Olight ArkPro Ultra Check price ↗ | |
| Length | 121 mm (4.76 in) | 124 mm (4.88 in)+3 mm |
| Head / width | 26.5 mm (1.04 in) | 27 mm (1.06 in)+0.5 mm |
| Body | 22.5 mm (0.89 in) | — |
| Thickness | — | 16 mm (0.63 in) |
| Weight | 128 g with battery | 120 g with battery−8 g |
| Battery | 18650 / 2x CR123A | Built-in |
| Max output | 1,700 lm | 1,700 lm |
| Throw | 273 m | 205 m |
| Type | EDC | EDC |
| Price | $64.95 at fenixlighting.com, as of Nov 4, 2026 | $129.99 at olight.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | olight.com sourced |
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E28R V2.0 vs ArkPro Ultra: how they differ
Size and weight
The Fenix E28R V2.0 is the shorter light: 121 mm (4.76 in) against 124 mm (4.88 in), a difference of 3 mm (2%). At its widest point the Fenix E28R V2.0 is 0.5 mm slimmer (26.5 vs 27 mm). The Olight ArkPro Ultra is 8 g lighter (120 g vs 128 g, with battery).
Brightness and throw
Both are rated at 1,700 lm maximum output. For beam distance the Fenix E28R V2.0 reaches further: 273 m vs 205 m rated throw (33% more).
Battery
The Fenix E28R V2.0 runs on removable 18650 / 2x CR123A batteries; the Olight ArkPro Ultra runs on a built-in rechargeable battery. Only the Fenix E28R V2.0 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix E28R V2.0 was $64.95 at fenixlighting.com and the Olight ArkPro Ultra $129.99 at olight.com, so the Fenix E28R V2.0 cost $65.04 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 E28R V2.0 if you want a shorter light (3 mm shorter), longer throw (273 m vs 205 m) and a removable cell you can swap. Choose the Olight ArkPro Ultra if you want less weight (8 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 E28R V2.0 Check price ↗ Olight ArkPro Ultra
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E28R V2.0 vs ArkPro Ultra FAQ
Which is smaller, the Fenix E28R V2.0 or the Olight ArkPro Ultra?
The Fenix E28R V2.0 is the shorter light: 121 mm (4.76 in) against 124 mm (4.88 in), a difference of 3 mm (2%). At its widest point the Fenix E28R V2.0 is 0.5 mm slimmer (26.5 vs 27 mm). The Olight ArkPro Ultra is 8 g lighter (120 g vs 128 g, with battery).
Which is brighter, the Fenix E28R V2.0 or the Olight ArkPro Ultra?
Both are rated at 1,700 lm maximum output. For beam distance the Fenix E28R V2.0 reaches further: 273 m vs 205 m rated throw (33% more).
Which is cheaper, the Fenix E28R V2.0 or the Olight ArkPro Ultra?
When we checked on Nov 4, 2026, the Fenix E28R V2.0 was $64.95 at fenixlighting.com and the Olight ArkPro Ultra $129.99 at olight.com, so the Fenix E28R V2.0 cost $65.04 less. Prices change often, so check the current price before you buy.
Do the Fenix E28R V2.0 and Olight ArkPro Ultra use the same battery?
The Fenix E28R V2.0 runs on removable 18650 / 2x CR123A batteries; the Olight ArkPro Ultra runs on a built-in rechargeable battery. Only the Fenix E28R V2.0 lets you swap in a charged spare.
Compare Fenix E28R V2.0 with similar lights
Compare Olight ArkPro Ultra with similar lights
More
Sources
- Fenix E28R V2.0: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $64.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Olight ArkPro Ultra: specs from Olight product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $129.99 from olight.com, checked Nov 4, 2026; prices change often.
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