Fenix PD32R vs Olight ArkTac Ultra size comparison
The Olight ArkTac Ultra is 0.6 mm (0.02 in) longer than the Fenix PD32R, and 2.5 mm wider at its widest point. It is 4 g heavier (with battery).
The Olight ArkTac Ultra is 0.6 mm (0.02 in) longer than the Fenix PD32R, and 2.5 mm wider at its widest point. It is 4 g heavier (with battery).
Dimensions
| Fenix PD32R Check price ↗ | Olight ArkTac Ultra Check price ↗ | |
| Length | 135 mm (5.31 in) | 135.6 mm (5.34 in)+0.6 mm |
| Head / width | 26.5 mm (1.04 in) | 29 mm (1.14 in)+2.5 mm |
| Body | 23.6 mm (0.93 in) | — |
| Thickness | — | 17 mm (0.67 in) |
| Weight | 136 g with battery | 140 g with battery+4 g |
| Battery | 18650 / 2x CR123A | Built-in |
| Max output | 1,400 lm | — |
| Throw | 344 m | — |
| Type | EDC | EDC |
| Price | $79.95 at fenixlighting.com, as of Nov 4, 2026 | $159.99 at olight.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | olight.com unverified Dims from ArkTac series comparison table (row assumed to be Ultra); re-check on ArkTac Ultra page |
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PD32R vs ArkTac Ultra: how they differ
Size and weight
The Fenix PD32R is the shorter light: 135 mm (5.31 in) against 135.6 mm (5.34 in), a difference of 0.6 mm (0%). At its widest point the Fenix PD32R is 2.5 mm slimmer (26.5 vs 29 mm). The Fenix PD32R is 4 g lighter (136 g vs 140 g, with battery).
Brightness and throw
The Fenix PD32R is rated at 1,400 lm; we have no published maximum for the Olight ArkTac Ultra.
Battery
The Fenix PD32R runs on removable 18650 / 2x CR123A batteries; the Olight ArkTac Ultra runs on a built-in rechargeable battery. Only the Fenix PD32R lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix PD32R was $79.95 at fenixlighting.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Fenix PD32R cost $80.04 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 PD32R if you want a slimmer profile (2.5 mm narrower) and a removable cell you can swap. Choose the Olight ArkTac Ultra if you want 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 PD32R Check price ↗ Olight ArkTac Ultra
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PD32R vs ArkTac Ultra FAQ
Which is smaller, the Fenix PD32R or the Olight ArkTac Ultra?
The Fenix PD32R is the shorter light: 135 mm (5.31 in) against 135.6 mm (5.34 in), a difference of 0.6 mm (0%). At its widest point the Fenix PD32R is 2.5 mm slimmer (26.5 vs 29 mm). The Fenix PD32R is 4 g lighter (136 g vs 140 g, with battery).
Which is cheaper, the Fenix PD32R or the Olight ArkTac Ultra?
When we checked on Nov 4, 2026, the Fenix PD32R was $79.95 at fenixlighting.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Fenix PD32R cost $80.04 less. Prices change often, so check the current price before you buy.
Do the Fenix PD32R and Olight ArkTac Ultra use the same battery?
The Fenix PD32R runs on removable 18650 / 2x CR123A batteries; the Olight ArkTac Ultra runs on a built-in rechargeable battery. Only the Fenix PD32R lets you swap in a charged spare.
Compare Fenix PD32R with similar lights
Compare Olight ArkTac Ultra with similar lights
More
Sources
- Fenix PD32R: specs from Fenix product page (manufacturer). Price $79.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Olight ArkTac Ultra: specs from Olight product page (manufacturer). Some values could not be confirmed on a second source and are marked unverified. Price $159.99 from olight.com, checked Nov 4, 2026; prices change often.
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