USB Rechargeable Bicycle Riding COB Tail Light Mountain Bike Bicycle LED Safety Warning Light Flashing Rear Light Seat Tube Diameter 15-31.8mm 500mAh Polymer Battery Red White Blue Powder
USB Rechargeable Bicycle COB Tail Light with 500mAh Polymer Battery

This USB rechargeable bicycle tail light provides a dependable flashing rear warning light for riders who need enhanced visibility during dusk, night rides, or low-light conditions. The COB LED offers a bright output that helps other road users see you from a distance. The light is designed to attach directly to the seat tube of your bike, with a diameter compatibility range of 15 to 31.8mm, making it a versatile option for mountain bikes, road bikes, and hybrid bicycles. The rechargeable polymer lithium battery (3.7V, 500mAh) reduces the need for disposable batteries and can be topped up easily via USB cable.
Features and Construction

The tail light is built around a compact, lightweight body that houses the COB LED and rechargeable battery. Its practical dimensions and secure mounting system ensure it stays in place during rides.
Material and Build
The housing is made from durable plastic, with a lens that covers the COB LED. The battery is a rechargeable polymer lithium cell rated at 3.7V and 500mAh, giving you a reliable power source for repeated use. The USB charging port is built into the light body for easy access.
Size and Practical Fit
The light measures 10cm in length, 1.95cm in width at one section, 2.7cm in width at another, and 1.8cm in height. It is designed to fit seat tube diameters between 15 and 31.8mm, which covers most standard bicycle seat posts. The mounting bracket (included) allows for quick attachment and removal.
Uses and Placement

This tail light is intended for rear mounting on bicycles to improve visibility to traffic from behind. It is suitable for both commuting and recreational riding.
Event or Professional Use
For evening cycling events, group rides, or club outings, the bright COB LED helps maintain visibility in a pack. The flashing mode draws attention, making it easier for fellow riders and drivers to see you.
Everyday Home Use
For daily commuters or leisure cyclists, this light provides a low-maintenance safety upgrade. The USB rechargeable battery means you can charge it at home or at the office without needing spare cells.
Benefits and Buying Value

Choosing a rechargeable tail light reduces ongoing costs and waste associated with disposable batteries. The compact design and wide seat tube compatibility add to its practicality.
Reuse and Low Maintenance
The polymer lithium battery can be recharged hundreds of times via USB, so you rarely need to replace the battery. Simply plug in when the light dims, and you are ready to ride again.
Why Choose This Product
This tail light offers a straightforward, effective way to increase your visibility on the road. With multiple colour options and a secure fit for most seat tubes, it is a practical choice for any cyclist who values safety without complexity.
