The Flashing mode gives you 50hrs, and the Daytime Hyperconstant will run out in 5hrs. One thing I do like about the AMPP that so many other brands can't seem to achieve is that you don't have to scroll through the flashing modes to get back to High a double-click from any mode will take you straight to it.īattery life isn't massive: on High you'll get 1.5hrs, with 3hrs on Low. It changes colour to red when the battery life is below 20%. Modes are changed via the on/off button on the top of the light which is usefully backlit so that you can see it when you are riding. There are two more modes, the Daytime Hyperconstant – 250 lumens backlit and a 500-lumen flash over the top – and the Flashing which is 250 lumens. The Low mode offers 250 lumens which is okay for riding in urban environments and country lanes at a sedate pace. On the High 500 lumens mode I was happy riding at around 20mph without issue, but any faster than that on unlit back lanes with no road markings requires focus. The central spot is bright, though, especially considering the claimed 500 lumens against other lights of similar power.
It's quite narrow I'd like a little bit more illumination to pick up the verge either side of the ride to give a bit of depth and sense of speed. The AMPP 500 uses a single LED and Cateye's OptiCube lens which gives the light quite a focused spot with a small amount of spread out to the sides. It's not badly priced, though it has a slightly cheap feel to it, and if you need to run it on max most of the time then the battery life isn't massive. Cateye's AMPP 500 is one of its lower powered 'see by' lights, but it still manages to chuck out enough lumens to light dark rural roads for riding at a decent pace.
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