Lead-acid battery single cell nominal voltage: 2.0V

Lithium battery single cell nominal voltage: 3.6V

 

Lead-acid batteries: The positive and negative electrodes are made of lead oxide and metallic lead, with the electrolyte being concentrated sulfuric acid.

Lithium batteries: The positive electrode is made of lithium cobalt oxide/lithium iron phosphate/lithium manganese oxide, the negative electrode is made of graphite, and the electrolyte is an organic solution.

 

Lead-acid battery: 30WH/KG

Lithium battery: 150WH/KG

 

Lead-acid batteries: Used for car starting, electric vehicle batteries

Lithium batteries: Used in smartphones, computers, power tools, and now also in electric vehicle batteries

 

Lead-acid batteries cannot discharge at high currents and have a shorter lifespan.

Lithium batteries can discharge at high currents and have a longer lifespan.