harry writes:

On Feb 12, 11:40=A0pm, Andy Dingley wrote:
On Feb 12, 6:31=A0pm, M.Joshi wrote:

The panel I am thinking of purchasing off eBay has a protection diode
built-in.

I bought one of Maplins - it cost me a car battery. =A0The supposed
diode was more of a didn't.


The PV cells are themselves diodes.

But I think they are sometimes rather _leaky_ diodes.
Which might cause problems if a car is stored over a long dark northern
winter, though not when there's plenty of light.

--
Windmill, Use t m i l l
J.R.R. Tolkien:- @ O n e t e l . c o m
All that is gold does not glister / Not all who wander are lost