Serfas’s TSL-S150 headlight is perfect to bring along on your evening rides and weekday commutes. And, the five different modes are powered by a long-lasting, rechargeable lithium-ion battery. Plus, the battery is user-replaceable. With the included USB cable and wall charger adaptor, you can conveniently recharge your light just about anywhere. It also includes a quick-release handlebar mount.
Modes: overdrive, high, medium, low, flash
Run time: 15 - 3 hours
Charge Time: 3.5 hours
Weight: 150 grams (with bracket)