Fenix PD36R ACE vs Fenix PD40R V3.0 size comparison

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The Fenix PD40R V3.0 is 3 mm (0.12 in) shorter than the Fenix PD36R ACE, and 4 mm wider at its widest point. It is 16 g heavier (with battery).

Fenix PD36R ACE · 146 mmFenix PD40R V3.0 · 143 mm

The Fenix PD40R V3.0 is 3 mm (0.12 in) shorter than the Fenix PD36R ACE, and 4 mm wider at its widest point. It is 16 g heavier (with battery).

Dimensions

Fenix PD36R ACE
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Fenix PD40R V3.0
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Length146 mm (5.75 in)143 mm (5.63 in)−3 mm
Head / width30 mm (1.18 in)34 mm (1.34 in)+4 mm
Body26 mm (1.02 in)26 mm (1.02 in)same
Weight181.6 g with battery198 g with battery+16 g
Battery2170021700
Max output3,000 lm3,000 lm
Throw415 m500 m
TypeEDCEDC
Price$109.95 at fenixlighting.com, as of Nov 4, 2026$119.95 at fenixlighting.com, as of Nov 4, 2026
Sourcefenixlighting.com sourcedfenixlighting.com sourced

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PD36R ACE vs PD40R V3.0: how they differ

Size and weight

The Fenix PD40R V3.0 is the shorter light: 143 mm (5.63 in) against 146 mm (5.75 in), a difference of 3 mm (2%). At its widest point the Fenix PD36R ACE is 4 mm slimmer (30 vs 34 mm). The Fenix PD36R ACE is 16 g lighter (181.6 g vs 198 g, with battery).

Brightness and throw

Both are rated at 3,000 lm maximum output. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 415 m rated throw (20% more).

Battery

Both run on a removable 21700 battery, so spare cells work in either light.

Price

When we checked on Nov 4, 2026, the Fenix PD36R ACE was $109.95 at fenixlighting.com and the Fenix PD40R V3.0 $119.95 at fenixlighting.com, so the Fenix PD36R ACE cost $10.00 less. Prices change often, so check the current price before you buy.

Type

Both are EDC lights in our catalog with a tube body.

Which should you buy?

Choose the Fenix PD36R ACE if you want a slimmer profile (4 mm narrower) and less weight (16 g lighter). Choose the Fenix PD40R V3.0 if you want a shorter light (3 mm shorter) and longer throw (500 m vs 415 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Fenix PD36R ACE Check price ↗ Fenix PD40R V3.0

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PD36R ACE vs PD40R V3.0 FAQ

Which is smaller, the Fenix PD36R ACE or the Fenix PD40R V3.0?

The Fenix PD40R V3.0 is the shorter light: 143 mm (5.63 in) against 146 mm (5.75 in), a difference of 3 mm (2%). At its widest point the Fenix PD36R ACE is 4 mm slimmer (30 vs 34 mm). The Fenix PD36R ACE is 16 g lighter (181.6 g vs 198 g, with battery).

Which is brighter, the Fenix PD36R ACE or the Fenix PD40R V3.0?

Both are rated at 3,000 lm maximum output. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 415 m rated throw (20% more).

Which is cheaper, the Fenix PD36R ACE or the Fenix PD40R V3.0?

When we checked on Nov 4, 2026, the Fenix PD36R ACE was $109.95 at fenixlighting.com and the Fenix PD40R V3.0 $119.95 at fenixlighting.com, so the Fenix PD36R ACE cost $10.00 less. Prices change often, so check the current price before you buy.

Do the Fenix PD36R ACE and Fenix PD40R V3.0 use the same battery?

Both run on a removable 21700 battery, so spare cells work in either light.

Compare Fenix PD36R ACE with similar lights

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Compare Fenix PD40R V3.0 with similar lights

PD40R V3.0 vs M21BPD40R V3.0 vs P20iXPD40R V3.0 vs XT21CPD40R V3.0 vs LD35RPD40R V3.0 vs E40RPD40R V3.0 vs Seeker Ultra

More

Fenix PD36R ACE size & specsFenix PD40R V3.0 size & specsAll Fenix lightsBest EDC flashlights

Sources

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