Difference between Lithium-ion and Lead-Acid Batteries

Difference between Lithium-ion and Lead-Acid Batteries

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difference between Lithium-ion and Lead-Acid Batteries

The lithium-ion is a lightweight battery and has high energy density and electrochemical potential. Lithium-ion is a low-sustaining battery, and the self-discharge rate is also less.

Lithium-ion batteries are getting fast momentum as they are finding increased application in electric vehicles and for power backups in renewable power systems. Lithium batteries can be used in homes UPS, toys, cars, and remote controls.

Lead-acid batteries are large and bulky. They are not perfect for fast charging as they heat at the time of charge. Its short cycle life ranges from 300 to 500 cycles. However, they are available in the shops and are known for their safety.


The main benefit of lithium-ion batteries is their port. They are lightweight weighing about 12 g and can be easily carried everywhere. They weigh nearly 25% of a regular lead-acid battery.

Fast Charging

Lithium batteries can charge a maximum within 1 to 3 hours whereas, lead-acid batteries usually take 10 hours of charge time. Fast charging is the requirement of the hour in today’s fast-moving life.

Long Life

Lithium-ion batteries have a life of over 10 years on normal. They can manage more than 2000 times of charge-discharge cycles in their life. For lead-acid batteries, it is now about 1500 times the life cycle.


Lithium-ion batteries are safe for children. All positive and negative terminals are attached under the plug-in-play connecting device. That’s why it doesn’t any spark in the time of connecting the battery to the inverter combination.

Lithium-Ion Batteries Are Future

Chemistry Nobel Goes to Lithium Battery Innovators | Quanta Magazine

Lithium-ion batteries are observing increasing application in developing technologies. Lithium-ion batteries are more valuable and charge faster when compared to lead-acid batteries.

It has a greater lifespan and higher performance and provides reliable, stable, long-lasting energy. That is why this technology is increasing in popularity in power backup systems using solar energy and in electronic devices.

Though lithium-ion batteries are much more costly upfront, they are maintenance-free and have a longer lifespan when compared to lead-acid batteries. It is expected that the cost of lithium-ion batteries will be at par with lead-acid batteries in the next 3 to 4 years.

Lithium-Ion Battery For Electric Vehicles

BHEL and a U.S. Firm to Jointly Develop Lithium-Ion Batteries

With their high power density ratio and good high-temperature performance, lithium-ion batteries are perfect to be used in electric vehicles. They are also lightweight that helps in decreasing the overall weight of the automobile.

Lithium-ion cells also have a low self-discharge rate, which indicates that they are better when compared to other batteries at taking a full charge over time.

All these features make lithium batteries best satisfied for electric vehicles, electric cycles, cars as well as motorcycles.

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