What are the different types of automotive batteries available?

@narciso 

There are several types of automotive batteries available, including:

1. Lead-Acid Batteries: These are the most common type of automotive batteries. They have a liquid electrolyte solution and are known for their reliability and affordability.
2. Absorbent Glass Mat (AGM) Batteries: AGM batteries have a glass mat separator that helps absorb the electrolyte, making them spill-proof. They are more resistant to vibration and have a higher power density compared to lead-acid batteries.
3. Gel Batteries: Gel batteries use a gel electrolyte, which makes them maintenance-free and resistant to deep discharge. They are commonly used in applications that require a constant power supply, such as alarms, emergency lighting, and electric vehicles.
4. Lithium-Ion Batteries: These batteries offer high energy density, longer lifespan, and lightweight design. They are commonly used in electric vehicles and hybrid cars due to their high power-to-weight ratio.
5. Nickel-Metal Hydride (NiMH) Batteries: NiMH batteries are commonly used in hybrid vehicles. They have a higher energy density than lead-acid batteries but lower than lithium-ion batteries.
6. Lithium-Iron Phosphate (LiFePO4) Batteries: LiFePO4 batteries offer a longer lifespan, higher energy density, and better thermal stability. They are commonly used in electric vehicles and renewable energy storage systems.
7. Nickel-Cadmium (Ni-Cd) Batteries: Ni-Cd batteries have been widely used in older vehicles, but they have become less common due to their high toxicity and limited capacity compared to other battery types.

It's important to note that the availability of these battery types can vary depending on the region and specific applications.