CatEye AMPP 800 vs Busch & Müller Lumotec IQ-XS
Comparison 2026 — Bike Lights
VS
Our verdict
Based on our weighted scoring, the Busch & Müller Lumotec IQ-XS edges out the CatEye AMPP 800 with an overall score of 82/100 against 74/100. It scores particularly well on brightness (78/100) and battery life (98/100), making it the better all-round pick in Bike Lights.
The CatEye AMPP 800 remains a sensible alternative if price is your main concern — it lands at €44.95 versus €45.00.
Brightness winner
CatEye AMPP 800
8% higher than its rival
Value winner
Busch & Müller Lumotec IQ-XS
4% better value for money
Specifications
| Specification | CatEye AMPP 800 | Busch & Müller Lumotec IQ-XS |
|---|---|---|
| Price | €44.95 | €45.00 |
| Rating | ★4.4 (3,620) | ★4.6 (1,820) |
| Overall | 74/100 | 82/100+11% |
| Lighting | ||
| Brightness | 800 lumen+1043% | 70 lux |
| Lens | Opti-Cube, met zijvensters | — |
| Modes | 5 + Boost | — |
| Certification | — | StVZO, CE |
| DRL | — | Ja, automatisch >6 km/u |
| Battery | ||
| Type | Micro-USB Li-ion | — |
| Runtime | 2 u (hoog) / 9 u (eco) | — |
| Properties | ||
| Weight | 131 g | 82 g+60% |
| Waterproof rating | IPX4 | IPX4 |
| Mount | FlexTight gereedschapsloos | Vork- of kroonsteun |
| Power | ||
| Type | — | Naafdynamo 6V/3W |
| Standlight | — | 4 minuten |
Pros and cons
CatEye AMPP 800
Pros
- 800 lumens with Opti-Cube lens — even beam, no dark spots
- Side windows in the housing make you visible at junctions
- FlexTight bracket clamps tool-free onto any bar diameter
- Boost mode: tap for 10 sec of extra light when obstacles pop up
Cons
- No StVZO approval — beam may dazzle oncoming traffic
- Micro-USB instead of USB-C
Busch & Müller Lumotec IQ-XS
Pros
- 70 lux dynamo-powered — no battery to charge, ever
- StVZO approved with sharp cut-off, no dazzling
- Daytime running light (DRL) boosts daytime visibility by 30%
- Standlight stays on for 4 minutes after stopping at traffic lights
Cons
- Requires an existing hub dynamo — not a plug-and-play retrofit
- Wired installation is more involved than clipping on a USB light