Pre-chargeable internal battery meets continuous dynamo charging. The revo 5 delivers full brightness from the first pedal stroke, infinite runtime while you ride, and usb-c device charging on the move. Dual operating programs adapt to how you ride: constant output for commuters and racers, or battery priority for bikepackers and tourers. 2000 Lumens, 12 spot beam, ip68 ik09 rated. Made in uk.Designed and built in the uk for riders who demand self-sufficiency without compromise. The revo 5 solves the fundamental problem with dynamo lights: you no longer choose between battery convenience and unlimited runtime.Pre-charge before you ride. The 1600mah internal battery charges fully in 1.5 Hours via usb-c, delivering maximum brightness from the moment you start pedalling. Traffic lights, slow climbs, technical terrain consistent output regardless of speed.Generate power while you ride. Compatible with all ac dynamo hubs, the revo 5 continuously charges as long as you're moving. Multi-day bikepacking trips, year-round commuting, weekend tours infrastructure stops being a limiting factor.Charge devices on the move. Usb-c output transforms your bike into a mobile charging station. Phone, gps, bike computer one less battery pack to carry, one less thing to manage in remote places.Two operating programs:program 1 battery priority : variable output based on dynamo power. Charges internal battery above 40%, then enables device charging. Best for bikepacking, touring or multi-day adv...