Fenix PD40R V3.0 vs Klarus XT21C size comparison
The Klarus XT21C is 4 mm (0.16 in) longer than the Fenix PD40R V3.0, and 1 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The Klarus XT21C is 4 mm (0.16 in) longer than the Fenix PD40R V3.0, and 1 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix PD40R V3.0 Check price ↗ | Klarus XT21C Check price ↗ | |
| Length | 143 mm (5.63 in) | 147 mm (5.79 in)+4 mm |
| Head / width | 34 mm (1.34 in) | 35 mm (1.38 in)+1 mm |
| Body | 26 mm (1.02 in) | 25 mm (0.98 in)−1 mm |
| Weight | 198 g with battery | 110 g listed |
| Battery | 21700 | 21700 |
| Max output | 3,000 lm | 3,000 lm |
| Throw | 500 m | 324 m |
| Type | EDC | Tactical |
| Price | $119.95 at fenixlighting.com, as of Nov 4, 2026 | $104.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
PD40R V3.0 vs XT21C: how they differ
Size and weight
The Fenix PD40R V3.0 is the shorter light: 143 mm (5.63 in) against 147 mm (5.79 in), a difference of 4 mm (3%). At its widest point the Fenix PD40R V3.0 is 1 mm slimmer (34 vs 35 mm). Weights are published on different bases (Fenix PD40R V3.0: 198 g with battery; Klarus XT21C: 110 g listed), so they are not directly comparable.
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 324 m rated throw (54% 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 PD40R V3.0 was $119.95 at fenixlighting.com and the Klarus XT21C $104.95 at batteryjunction.com, so the Klarus XT21C cost $15.00 less. Prices change often, so check the current price before you buy.
Type
The Fenix PD40R V3.0 is listed as edc and the Klarus XT21C as tactical, so they suit different jobs.
Which should you buy?
Choose the Fenix PD40R V3.0 if you want a shorter light (4 mm shorter) and longer throw (500 m vs 324 m). On the specs we track, the Fenix PD40R V3.0 is ahead or level everywhere; the Klarus XT21C makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD40R V3.0 Check price ↗ Klarus XT21C
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
PD40R V3.0 vs XT21C FAQ
Which is smaller, the Fenix PD40R V3.0 or the Klarus XT21C?
The Fenix PD40R V3.0 is the shorter light: 143 mm (5.63 in) against 147 mm (5.79 in), a difference of 4 mm (3%). At its widest point the Fenix PD40R V3.0 is 1 mm slimmer (34 vs 35 mm). Weights are published on different bases (Fenix PD40R V3.0: 198 g with battery; Klarus XT21C: 110 g listed), so they are not directly comparable.
Which is brighter, the Fenix PD40R V3.0 or the Klarus XT21C?
Both are rated at 3,000 lm maximum output. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 324 m rated throw (54% more).
Which is cheaper, the Fenix PD40R V3.0 or the Klarus XT21C?
When we checked on Nov 4, 2026, the Fenix PD40R V3.0 was $119.95 at fenixlighting.com and the Klarus XT21C $104.95 at batteryjunction.com, so the Klarus XT21C cost $15.00 less. Prices change often, so check the current price before you buy.
Do the Fenix PD40R V3.0 and Klarus XT21C use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Fenix PD40R V3.0 with similar lights
Compare Klarus XT21C with similar lights
More
Sources
- Fenix PD40R V3.0: specs from Fenix product page (manufacturer). Price $119.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Klarus XT21C: specs from manufacturer published specs as listed by batteryjunction.com. Price $104.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
Found an error? Email liambuehlerbusiness@gmail.com and we will fix it.