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- PD35R vs S21
Fenix PD35R vs RovyVon S21
What PD35R does better (0) and where S21 wins (2) — every spec side by side.
Why is PD35R better than S21?
PD35R has no measurable advantages in this pair.
Why is S21 better than PD35R?
- Maximum output1,700 lm vs 3,000 lm+76%
- Weight140 g vs 116 g+21%
Specifications
Side by side
| Light output | ||
| Maximum output | 1,700 lm | 3,000 lm |
| Peak beam intensity | 31,150 cd | — |
| Beam distance (ANSI FL1) | 353 m | — |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SFT-40 | — |
| LED maker | Luminus | — |
| Colour temperature | 6,500K | — |
| Battery & charging | ||
| Battery | 18650 Li-ion, CR123A | — |
| Battery capacity | — | 5,000 mAh |
| Maximum runtime | 100 h | — |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| Magnetic tail / base | — | Yes |
| Size & weight | ||
| Length / height | 136 mm | — |
| Head diameter / width | 25.4 mm | — |
| Body diameter / depth | 23.2 mm | — |
| Weight | 140 g | 116 g |
| Modes & features | ||
| Switch | Dual switches | — |
| Tactical tail switch (momentary on) | Yes | — |
| Strobe | Yes | — |
| Mode memory | Yes | — |
