Probably because there isn t enough area to generate a useful charge in a reasonable amount of time.
Prius solar roof charge battery.
Here is some rough math for you.
Locate the green one that is the solar wire.
Under a good amount of sun the roof panel is said to be able to add up to 3 7 miles to the car s daily electric range.
According to toyota the solar roof option atop the prius prime will boost each vehicle s efficiency by as much as ten percent.
I used a sunguard solar controller just like the one sombra used.
The solar cells are just 0 03mm thick but deliver around 860.
You might get 500 watts from a roof mounted solar array on a prius.
Each battery pack uses 10 15 kg 22 33 lb of lanthanum.
One solar inverter disconnected from the grid and the secure power supply switched on.
But they charge the battery only when parked.
Toyota says the new prius solar array can add 44 5 km of battery only range per day 13 13 toyota has fitted out an experimental version of its prius with a fresh rooftop solar kit to explore.
At 860 w the rated power generation output is 4 8 times bigger and.
An hour in the sun would give you 500 watt ho.
Compared to the prius phv that s already available with a solar charging roof system the demo car is superior in every respect.
Readouts below show power being delivered to the plug in prius charging cable.
Toyota will start testing a new solar roof for the prius that it says can add as much as 44 5 km of range to the plug in hybrid a day.
Prius is now charging from the inverter ac outlet.
Inverter power 1202 watts.
A toyota prius prototype covered with 1 100 solar cells travels about 31.
Inverter current 10 78 amps.
On top of that the roof panels charge the car s battery while parked.
They are normally charged to 40 60 of maximum capacity to prolong battery life as well as provide a reserve for regenerative braking.
Uses 54 square feet of solar panels on the roof and hood that add.
Using a wire connector connect this to about ten feet of 16 or 18 wire.
Inverter voltage 112 2 volts.