Built in rechargeable battery 10-50 No Fenix Fenix Lights
Fenix BC05R V2.0 Rechargeable Rear Bike Light£22.95
Rechargeable Li-po battery
15 lumens red light Fenix BC06R Rechargeable Rear Bike Light With Braking Function£37.95
Rechargeable Li-po battery
10/30 lumens red light - 90 lumens brake light