Forgoing the hassle of disposable batteries, the small-but-mighty Blackburn USB Light Combo is rechargeable, so you'll never have to change batteries again, and can ensure you're well-lit on the commute there and back by charging on the go. The Micro-USB cable charges your lights in just three hours, and the handy silicone mounts deliver a universal mount that won't scratch or harm your bike. The front and rear lights offers 60 and 20 lumens, respectively, for a dazzling illumination on the road, while the waterproof case keeps the glow alive even in unexpected rain storms. All you have to do is click once for power, and you're on you're way to a safer ride.