Quick Summary
The CATEYE AMPP500S is a USB-C rechargeable bike headlight with a stated 500-lumen High mode, five light modes and a wraparound lens designed to provide side visibility. Its adjustable FlexTight bracket fits handlebars up to 35 mm in diameter, so check the mounting area before choosing this light.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Light output | 500 lumens in High mode; the listing also describes an OptiCube lens and a wide beam. |
| Light modes | High, Middle, Low, Daytime HyperConstant and Flashing. Mode memory recalls the last mode used. |
| Battery and charging | 2200 mAh rechargeable lithium-ion battery; USB-C charging takes about 4 hours. A USB-C cable is not included. |
| Stated runtime | Up to 60 hours. Runtime by mode is not specified, so consider your expected mode when assessing this figure. |
| Low-battery indicator | The indicator turns red when the battery is below 20%. |
| Mounting fit | The included adjustable FlexTight bracket fits handlebars up to 35 mm in diameter. |
| Body and listed size | Polycarbonate body; product dimensions are 5.40 x 3.75 x 2 inches, and listed weight is 0.23 pounds. |
| Configuration | One white headlight. |
Key Features Explained
The wraparound lens is described as providing side visibility, while the OptiCube lens is associated with a wide beam. The listing does not specify beam distance or a measured lighting pattern.
The mode-memory function recalls the last mode used. A double-click from any mode activates High mode at the stated 500-lumen output.
What to Compare Before Buying
- Handlebar diameter: Confirm that the mounting area is no more than 35 mm in diameter for the stated bracket fit.
- Charging setup: The light charges by USB-C, but its cable is not included. Check that you have a suitable cable available.
- Runtime needs: The stated maximum is up to 60 hours, but no mode-specific runtime is given. Consider how you expect to use the light rather than assuming the maximum applies to every mode.
- Mode controls: Review the five named modes and the double-click shortcut to High mode to see whether the controls suit your needs.
Compatibility, Size and Fit
The included FlexTight bracket is specified for handlebars up to 35 mm in diameter. Check the diameter where the bracket will mount; handlebars larger than that are outside the stated fit limit.
What Else You May Need
A USB-C cable is not included, so have one available for charging. The listing does not specify a charging adapter.
Plan a Pre-Ride Light Check
Before a ride, check the battery indicator and select a mode for your planned use. A red indicator means the battery is below 20%; allow for the stated charging time if you decide to recharge. You can also confirm the bracket fits your handlebar and familiarize yourself with the double-click shortcut to High mode.
Before You Decide
Confirm the handlebar diameter is within the 35 mm limit, account for the USB-C cable being excluded, and decide whether the five modes and stated runtime suit your needs. The listing gives up to 60 hours but does not break runtime down by mode.
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