What is the standard voltage difference for new energy vehicle batteries?

1 Answers
LaLukas
07/30/25 8:55am
For new energy vehicle batteries, a voltage difference between 10 and 20 is considered standard. Introduction to the standard voltage range of automotive batteries: For 12V vehicle systems, the battery voltage should be around 13 volts when unloaded, and no less than 11 volts under load to be considered normal. If the voltage falls below this level, starting difficulties may occur. For 24V vehicle systems, the battery voltage should be around 26 volts when unloaded, and no less than 22 volts under load to be considered normal. If the voltage falls below this level, starting difficulties may occur. Types of automotive batteries and their standard voltage ranges: Broadly speaking, electric vehicle batteries can be divided into two main categories: storage batteries and fuel cells. Storage batteries are suitable for pure electric vehicles and include lead-acid batteries, nickel-cadmium batteries, nickel-metal hydride batteries, sodium-sulfur batteries, secondary lithium batteries, and air batteries. Among these, lead-acid batteries, nickel-cadmium batteries, and nickel-metal hydride batteries were developed earlier and have largely been phased out. Currently, mainstream pure electric vehicles primarily use lithium batteries, including cobalt-based lithium batteries (e.g., Tesla products), manganese-based lithium batteries (e.g., Toyota Prius, Nissan Leaf), and lithium iron phosphate batteries (e.g., BYD products, Zinoro 1E, etc.).
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