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- K3 V2.0 vs UT21
Nextorch K3 V2.0 vs Nextorch UT21
What K3 V2.0 does better (3) and where UT21 wins (1) — every spec side by side.
Dimensions
Size comparison
K3 V2.0UT21
| K3 V2.0 | UT21 | Difference | |
|---|---|---|---|
| Length / height | 150 mm | 72.4 mm | +77.6 mm |
| Head diameter / width | 14 mm | 50 mm | −36 mm |
| Body diameter / depth | 12 mm | 38.4 mm | −26.4 mm |
| Weight | 28 g | 85 g | −57 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K3 V2.0 better than UT21?
- Maximum output250 lm vs 11 lm22.7×
- Weight28 g vs 85 g3×
- Water protection (IPx)IPx7 vs IPx4+75%
Why is UT21 better than K3 V2.0?
- Maximum runtime20 h vs 25 h+25%
Specifications
Side by side
| Light output | ||
| Maximum output | 250 lm | 11 lm |
| Peak beam intensity | 900 cd | — |
| Beam distance (ANSI FL1) | 60 m | — |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Cree XP-G | — |
| LED maker | Cree | — |
| Number of LEDs | — | 22 |
| Battery & charging | ||
| Battery | AAA | — |
| Battery capacity | — | 640 mAh |
| Maximum runtime | 20 h | 25 h |
| Rechargeable | — | Yes |
| USB-C charging | — | Yes |
| Build & durability | ||
| Protection rating | IPX7 | IPX4 |
| Water protection (IPx) | IPx7 | IPx4 |
| Impact resistance (drop) | 1 m | — |
| Body material | Aluminium | — |
| Pocket clip | — | Yes |
| Size & weight | ||
| Length / height | 150 mm | 72.4 mm |
| Head diameter / width | 14 mm | 50 mm |
| Body diameter / depth | 12 mm | 38.4 mm |
| Weight | 28 g | 85 g |
| Modes & features | ||
| Brightness levels | 4 | — |
| Strobe | Yes | — |
| Red light | — | Yes |
| Mode memory | Yes | — |







