Bike Helmet Solar Panel

Not ideal but it works.

Bike helmet solar panel.

See 45 second video of helmet 2 minute video of construction and use charge time. Use your favorite webbing to secure the kits to your bike. The power is going from dc to ac to dc. The panels and the connection between the panel and the extension cord are waterproof but the battery is not.

We like the 4 foot extension cord with the kits as this lets you secure the battery inside your panniers. This probably results in a 20 percent plus efficiency loss. However there is no word on how much it will weigh except they say lightweight whether all that information will be overload for riders and whether any authority will grant it approval. Also the battery and inverter and bike charger add another six pounds and a lot of cables to the system.

Goal zero nomad probably the most popular solar units around for bicycle travellers because of their low cost and availability although customer service and longevity seems less than perfect. Freeloader super cheap small 1 5w solar charger batteries with 800 1600mah built in batteries. Products rated between 7 27 watts. A solar powered trickle charged weatherproof safety bike helmet with changeable parts.

The kits come with corner mounts. So we plug the panel into an inverter that then goes to the bike s charger inverter and finally to the bike s battery. Sure there s a bit of an efficiency loss by first converting the 12vdc solar panel output into 110vac and then letting the e bike charger convert it back down to 48vdc but it certainly makes.