Nickel Cadmium (typical rechargeable) and Silver Oxide (watch batteries w/ mercury) are bad. Lead Acid (cars) are very recyclable, and considering there is no

Nickel Cadmium (typical rechargeable) and Silver Oxide (watch batteries w/ mercury) are bad. Lead Acid (cars) are very recyclable, and considering there is no new lead production in the US, will command a premium for recycling. I don't think Carbon Zinc and most Lithiums are a problem.