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- K1 vs P81
Acebeam K1 vs Nextorch P81
What K1 does better (3) and where P81 wins (4) — every spec side by side.
Why is K1 better than P81?
- Weight77 g vs 170 g2.2×
- Water protection (IPx)IPx8 vs IPx7+14%
- Impact resistance (drop)1.5 m vs 1 m+50%
Why is P81 better than K1?
- Maximum output1,000 lm vs 3,700 lm3.7×
- Peak beam intensity12,432 cd vs 34,225 cd2.8×
- Battery capacity1,000 mAh vs 4,800 mAh4.8×
- Beam distance (ANSI FL1)223 m vs 370 m+66%
Specifications
Side by side
| Light output | ||
| Maximum output | 1,000 lm | 3,700 lm |
| Peak beam intensity | 12,432 cd | 34,225 cd |
| Beam distance (ANSI FL1) | 223 m | 370 m |
| Light source | LED | LED |
| LED & beam | ||
| LED maker | Cree | — |
| Colour temperature | 6,500K | — |
| Battery & charging | ||
| Battery | 14500 Li-ion, AA | 21700 Li-ion |
| Battery capacity | 1,000 mAh | 4,800 mAh |
| Maximum runtime | 60 h | 60 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | — |
| Also runs on AA/AAA/CR123A | Yes | — |
| Build & durability | ||
| Protection rating | IP68 | IPX7 |
| Water protection (IPx) | IPx8 | IPx7 |
| Submersible to | — | 1 m |
| Impact resistance (drop) | 1.5 m | 1 m |
| Body material | Aluminium | Aluminium |
| Pocket clip | Yes | — |
| Size & weight | ||
| Length / height | — | 161 mm |
| Head diameter / width | — | 35 mm |
| Body diameter / depth | — | 28.5 mm |
| Weight | 77 g | 170 g |
| Modes & features | ||
| Switch | Tail switch, Rotary / scroll wheel | Dual switches |
| Tactical tail switch (momentary on) | — | Yes |
| Strobe | Yes | Yes |
| UV light | Yes | — |







