You can buy a solar battery charger with electronics to avoid overcharging for about the same cost as the solar cells.The lead-acid batteries used in cars are hardy beasts, very tolerant of varying charge voltages. Their normal mode of operation is to be in a circuit that is providing power while they are being charged.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16