The Cateye Ampp 400 is a compact, lightweight front light designed for urban cycling, combining powerful output with everyday practicality. Delivering up to 400 lumens through Cateye’s advanced Opticube Lens Technology, it provides superb light distribution for clear visibility on city streets and beyond.
Weighing just 95g, the Ampp 400 features a tough matt polycarbonate body that resists scratches and wear, while the redesigned Flextight bracket ensures a secure, tool-free fit on bars up to 35mm, including selected aero options. A significantly wider 220% side lens improves lateral visibility, enhancing safety in traffic and at junctions.
Versatility comes from multiple modes: 2 hours at 400 lumens, 4 hours at 200 lumens, 6 hours in Daytime HyperConstant, and an impressive 60 hours in flashing mode. Practical features include light mode memory, intuitive double-click to high mode, and a low-battery indicator for peace of mind. With IPX4 waterproof protection and a USB-rechargeable Li-ion battery (4–8 hours recharge time), the Ampp 400 is a dependable and easy-to-use choice for commuters and city riders who need performance in a sleek, reliable package.
Features:
- 400 lumen maximum output
- Opticube lens technology for supreme light distribution
- Robust matt polycarbonate body with enhanced scratch resistance
- Flextight bracket – suitable for bars up to 35mm diameter and selected aero bars
- 2x greater lumen output on low mode compared to volt 400xc, for increased versatility
- 220% larger side lens for a significantly wider beam and enhanced side visibility
- Power button illumination and red indicator @ 20% battery capacity
- Redesigned underside connection for easier removal from the flextight bracket
- Double click to high mode, single click returns to previous mode
- Light mode memory
- Recharge Time: 4hrs ( 1a ) – 8hrs ( 0.5a )
- Battery: Li-ion 3.6v 2200mah
- Waterproof Rating: IPX4
- Weight: 95g
- Mode: Output, runtime
- High: 400 lm, 2hrs
- Low: 200 lm, 4 hrs ( 2x greater output than volt 400xc in same mode, 100 lm )
- Daytime Hyperconstant: 200 + 400 lm, 6hrs
- Flashing: 200 lm, 60hrs