ETA BATTERIES

At its most basic level, what is a battery?

• 2 different metals and electrolyte
• H2O
• Theremin

Typical Cell voltage of 2.1 volts, and VERY common battery type. Secondary battery

• Mercury
• Lead Acid
• Carbon Zinc
• Alkaline

Cheap battery that rates 1.5 volt per cell, not nearly as much current available as alkaline

• lead acid
• carbon zinc
• alkaline
• mercury

:1.5 volt cell with much more current capacity than cheap carbon zincs

• Mercury
• Alkaline
• lead acid
• Nicd

A battery that is only good for one use.

• Primary
• Secondary
• Tertiary
• Penetentiary

A battery that is rechargeable

• Primary
• Secondary
• Tertiary

Rechargeable battery that is prone to memory issues or 'whiskers', 1.2 volts per cell.

• Nickel Cadmium
• Nickel metal Hybrid
• Lead Acid
• Carbon Zinc

Rechargeable battery that is NOT prone to memory issues or 'whiskers', 1.2 volts per cell.

• Nickel Metal Hybrid
• NiCad
• Alkaline
• Mercury

Rare earth metal based battery that is dangerous and cannot be thrown in trash. 1.35 volts per cell

• Lead Acid
• Mercury
• Carbon Zinc
• Pluto

Your cell phone battery

• carbon zinc

• lithium based LION or LIMh

• alkaline

• mercury