Convert your own bike.
Bike trailer solar panel.
Solar electric bicycle touring trailer for luxury camping.
Search bike trailer on this silly site garage sales craigs list thrift stores ect.
A guide to understanding the ratings.
Products rated between 7 27 watts.
Solar module aka solar panel this one is a 17 volt 80 watt.
Let s start with the worst case scenario.
To enter the race jack built himself a custom mid drive electric bicycle based on a surly troll bicycle with a pull behind suspension aevon std100 trailer for holding his gear and solar panels.
Not ideal but it works.
Https bit ly 2dgzaur here s how the solar trailer per.
The solar tour bike and trailer is a project developed by two mates in a garage.
You bought a 100 watt solar panel to charge your 500 watt hour ebike battery with the expectation that it would charge your battery from empty to full in 5 hours.
The power is going from dc to ac to dc.
I took off the plastic body and cut it in half.
Then i bolted it back on the frame and bolted scrap plywood over the wheels to serve as a strong platform.
The load on bike is half the load to the trailer.
Freeloader super cheap small 1 5w solar charger batteries with 800 1600mah built in batteries.
Good for smaller usb powered devices for those on a budget.
Solar panels aren t magic.
Due to the highly rigid clamping of solar trailer on the bike under the driver s seat one does not feel torsion.
Https bit ly 2psoeyh why is my 100 watt solar panel only giving me 75 watts.
Also the battery and inverter and bike charger add another six pounds and a lot of cables to the system.
So we plug the panel into an inverter that then goes to the bike s charger inverter and finally to the bike s battery.
The one i used is a cheap one.
This probably results in a 20 percent plus efficiency loss.
As do recumbents some with interesting panel mounting.