NiteRider's Solas 2 Watt Taillight keeps you safe and seen with an extra bright 2 watt high-power LED that will let you stay visible and safe. Steady and flashing modes allow for run times up to 36 hours. Plus, it's rechargeable from any USB port so you will always be ready for a ride.
Run Time: 4.5-36 hours
For the ultimate in charging flexibility, the Lumina 500 can be charged from your computer or any USB port.