Batteries
A big advantage of them is that their self-discharge rate is very low. It stays at the level of about 40 percent for a year.
Continue reading about Lead-Acid Batteries – another way to go green.
A big advantage of them is that their self-discharge rate is very low. It stays at the level of about 40 percent for a year.
Continue reading about Lead-Acid Batteries – another way to go green.