50 lumen 5-function USB-C rechargeable tail light
Delivering 50 lumens of powerful illumination, this compact 1.25-inch square tail light utilizes advanced chip-on-board technology to maximize brightness and efficiency. The 16-LED circular array provides 180° of visibility to capture the attention of traffic from both the rear and sides. Powered by a fast-charging 300 mAh lithium-polymer battery, the tail light runs for up to 19 hours and recharges in just 2 hours via an included USB-C cable.
With five versatile modes, the Blinky Squared Ultra tail light ensures you have the perfect lighting for any condition. The Superflash™ Day mode is optimized for peak sunlight and visible from up to one mile away, providing exceptional daytime safety. For steady, reliable illumination, the High and Low modes deliver constant light, while the Courtesy™ and Steady Pop modes feature a more consistent variable light output that is attention grabbing and perfect for bike paths, group rides, and dark conditions. With mode memory, the light remembers your last setting, so you’re always ready to go.
COMING SOON!
SKU 3205
Weight
19 grams
Light Modes
High, Low, Courtesy™, Steady Pop, and Superflash™ Day modes
Battery
USB-C rechargeable lithium polymer battery for up to 19 hours of runtime
Degrees of Visibility
Provides 180 degrees of visibility
- 16 LED PB Power Array™ provides five modes for all types of riding and conditions (High, Low, Courtesy™, Steady Pop and Superflash™ Day settings with mode memory)
- Tested to FL1 standards - run time: 2 hours (high – 50 lumens), 3.5 hours (Low - 20 lumens), 7 hours (Courtesy™ 9-40 lumens), 7 hours (Steady Pop - 25 lumens), and up to 18 hours (Superflash Day™ - 50 lumens)
- Provides 180° of visibility
- Dust & water resistance - the Blinky Squared Ultra is dust and water resistance rated to IP66 standard
- Fast recharging - 300 mAh lithium polymer battery charges in 2 hours with USB-C cable (included)
- Smart Charging Technology™ with built in low battery indicator
- Angled rubber backing makes this small light ideal for mounting on seat post, seat stays and rack stanchions with stretch strap
- Size: 1.25" x 1.25"
- 19 grams
Downloads
Blinky Squared Ultra tail light user manual
Questions
Check Out the FAQ
Here are answers to a few frequently asked questions
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End of Life Instructions
When your light is past its useful life, please attempt to recycle the light with battery installed at a local electronics recycling facility. Go to Call 2 Recycle to find a location
Stay visible and ride with peace of mind using the Planet Bike Blinky Squared Ultra bike tail light - a compact yet powerful rear bike light that ensures you’re noticed on every ride. Built to withstand the elements, the Blinky Squared Ultra is tested to FL1 standards and rated IP66 for dust and water resistance, making it a reliable companion in all conditions. Easily mountable with a rubberized stretch strap, the Blinky Squared Ultra fits snugly on seat posts, seat stays, or rack stanchions—no tools required. Its angled backing positions the light for optimal visibility, whether you’re riding during the day or at night. Ride with confidence knowing the Blinky Squared Ultra has your back!
