Does it fold up for storage: Yes folds for easy storage

It all starts with a 6-series alloy that is shaped to perfection with their Dual XGT double butting process

Reports the following:

Total Volume 3L

Output and Runtime: The Duo has an inbuilt auto dimmer to protect the electronics in the unit from overheating

Fasthouse Alloy Sidewinder Short Sleeve Jersey - XL - Red - Cream PDP|Option Does it fold up forAlloy is the top of the line, feature loaded BIKE jersey from Fasthouse. They've upgraded this jersey with some cool new touches to make your rides more comfortable and improve your performance. Now available in a variety of colours, this jersey looks great however you mix and match it. FastDri moisture wicking fabric Slimmer race fit with v cut collar Mesh venting on back & underarms Slight drop tail on back panel 94% Polyester 6% Spandex