Fenix E20 V2.0 AA vs Olight ArkPro size comparison
The Olight ArkPro is 3 mm (0.12 in) shorter than the Fenix E20 V2.0 AA, and 6 mm wider at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Olight ArkPro is 3 mm (0.12 in) shorter than the Fenix E20 V2.0 AA, and 6 mm wider at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Fenix E20 V2.0 AA Check price ↗ | Olight ArkPro Check price ↗ | |
| Length | 127 mm (5.00 in) | 124 mm (4.88 in)−3 mm |
| Head / width | 21 mm (0.83 in) | 27 mm (1.06 in)+6 mm |
| Body | 16.8 mm (0.66 in) | — |
| Thickness | — | 16 mm (0.63 in) |
| Weight | 42 g without battery | 115 g with battery |
| Battery | 2x AA | Built-in |
| Max output | 350 lm | 1,500 lm |
| Throw | 126 m | 205 m |
| Type | EDC | EDC |
| Source | fenixlighting.com sourced | olight.com sourced |
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E20 V2.0 AA vs ArkPro: how they differ
Size and weight
The Olight ArkPro is the shorter light: 124 mm (4.88 in) against 127 mm (5.00 in), a difference of 3 mm (2%). At its widest point the Fenix E20 V2.0 AA is 6 mm slimmer (21 vs 27 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; Olight ArkPro: 115 g with battery), so they are not directly comparable.
Brightness and throw
The Olight ArkPro is rated brighter: 1,500 lm maximum vs 350 lm for the Fenix E20 V2.0 AA, 329% more. For beam distance the Olight ArkPro reaches further: 205 m vs 126 m rated throw (63% more).
Battery
The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the Olight ArkPro runs on a built-in rechargeable battery. Only the Fenix E20 V2.0 AA lets you swap in a charged spare.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Fenix E20 V2.0 AA if you want a slimmer profile (6 mm narrower) and a removable cell you can swap. Choose the Olight ArkPro if you want a shorter light (3 mm shorter), more output (1,500 lm vs 350 lm), longer throw (205 m vs 126 m) 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 E20 V2.0 AA Check price ↗ Olight ArkPro
E20 V2.0 AA vs ArkPro FAQ
Which is smaller, the Fenix E20 V2.0 AA or the Olight ArkPro?
The Olight ArkPro is the shorter light: 124 mm (4.88 in) against 127 mm (5.00 in), a difference of 3 mm (2%). At its widest point the Fenix E20 V2.0 AA is 6 mm slimmer (21 vs 27 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; Olight ArkPro: 115 g with battery), so they are not directly comparable.
Which is brighter, the Fenix E20 V2.0 AA or the Olight ArkPro?
The Olight ArkPro is rated brighter: 1,500 lm maximum vs 350 lm for the Fenix E20 V2.0 AA, 329% more. For beam distance the Olight ArkPro reaches further: 205 m vs 126 m rated throw (63% more).
Do the Fenix E20 V2.0 AA and Olight ArkPro use the same battery?
The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the Olight ArkPro runs on a built-in rechargeable battery. Only the Fenix E20 V2.0 AA lets you swap in a charged spare.