Will the battery of an electric vehicle burn out if the positive and negative terminals are connected?

1 Answers
McPeyton
07/29/25 7:58pm
Will the battery of an electric vehicle burn out if the positive and negative terminals are connected? Here are the relevant explanations: 1. Reason for damage: If the positive and negative terminals of the battery are directly connected, it is equivalent to connecting the battery to a very short wire with no resistance in between, thus generating a large current. Since the battery's internal power source inherently contains resistance, a large current flow will produce significant heat, damaging the battery. 2. Working principle: It converts chemical energy into electrical energy. The battery commonly referred to is a lead-acid battery, which mainly uses lead and its oxides as electrodes and a sulfuric acid solution as the electrolyte. There are lead-acid batteries, nickel-iron batteries, and nickel-cadmium batteries, among others. The positive electrode of a lead-acid battery is lead dioxide, the negative electrode is lead, and the electrolyte is a dilute sulfuric acid solution.
Was this review help?
16
3
Share
More Forum Discussions

What is Power Steering Fluid?

Power steering fluid is a medium liquid used in the automotive power steering pump. Through hydraulic action, it makes the steering wheel lighter when the driver turns, thereby reducing the driver's steering labor intensity. Here is more information about power steering fluid: 1. The function of power steering fluid: Power steering is a new comfort-enhancing technology in automobiles. It automatically provides steering force when the driver turns, reducing the driver's steering labor intensity. Power steering fluid is a medium oil added to the power steering system, serving to transmit steering force and provide cushioning. 2. Precautions for using power steering fluid: (1) Power steering fluid contains carcinogens. If it comes into contact with the skin, it should be washed off promptly. (2) Power steering fluid is corrosive and may cause paint to lose its gloss and rubber parts to age. If contaminated, it should be cleaned immediately. (3) For cars equipped with hydraulic power steering systems, avoid turning the steering wheel to the extreme limit during use, as prolonged operation in this state can burn out the power steering pump.
13
3
Share

What are the methods for using a car battery charger?

Methods for using a car battery charger include: 1. For the initial charge, use the battery charger to charge until the electrolyte releases bubbles and the single-cell voltage rises to 2.3V to 2.4V; 2. Reduce the current to half of the initial charging current and continue charging until the electrolyte releases intense bubbles. A car battery, also known as a storage battery, is a type of battery that works by converting chemical energy into electrical energy. Its normal service life ranges from 1 to 8 years, depending largely on the condition of the vehicle. Some old batteries develop high internal resistance, and even though their no-load voltage measured with a multimeter appears normal, they may not function properly.
14
4
Share

Do I Need to Remove the Wires When Charging a Car Battery?

You do not need to remove the wires when charging a car battery; you can use a portable charger to charge the battery. A portable charger is a device that directly converts AC power into low-voltage DC power. It is a static inverter that changes AC power with constant voltage and frequency into DC power. However, the battery capacity of a portable charger is not large, typically ranging from 800 to 2000mAh, so portable chargers are characterized by their compact size and ease of portability. A car battery, also known as a storage battery, is a type of battery that works by converting chemical energy into electrical energy. Batteries are categorized into conventional batteries, dry-charged batteries, and maintenance-free batteries. The commonly referred-to car battery is a lead-acid battery, and its normal service life varies from 1 to 8 years, largely depending on the condition of the vehicle.
2
5
Share

How to Handle Traffic Violation Tickets Issued in Another City?

To handle traffic violation tickets issued in another city, you need to bring your ID card, driver's license, and vehicle registration certificate to the traffic police brigade that issued the violation notice or the traffic police brigade at the vehicle registration location for processing, and then pay the fine. Traffic violation query refers to checking the violations of motor vehicle drivers, non-motor vehicle drivers, and pedestrians against the Road Traffic Safety Law and traffic management regulations. Traffic violation query can be conducted via SMS or online to check the violations of motor vehicle drivers, non-motor vehicle drivers, and pedestrians against traffic management regulations. Methods for motor vehicle violation queries include terminal queries at traffic branch brigades, service website queries, and tool queries.
15
2
Share

What Does Engine Power Reduction Mean?

Engine power reduction refers to a decrease in the engine's output power. Generally, this issue in a vehicle may be caused by spark plug failure or fuel system malfunction. An engine can refer to both the power generation device and the entire machine including the power unit (such as gasoline engines, aircraft engines). Its types include internal combustion engines (e.g., gasoline engines), external combustion engines (e.g., Stirling engines, steam engines), gas turbines (used in racing cars), and electric motors. The spark plug, commonly known as the ignition plug, functions by discharging the high-voltage pulse electricity delivered through the high-voltage wire (spark plug wire), breaking down the air between the two electrodes of the spark plug to generate an electric spark, thereby igniting the air-fuel mixture in the cylinder.
1
0
Share

Is it mandatory to use 0w20 engine oil for the Malibu XL?

The Malibu XL does not necessarily require 0w20 engine oil; 5w30 engine oil can also be used. The primary functions of engine oil are to reduce friction and wear on moving parts, clean sludge (one of the functions of dispersants) and varnish (detergents) from the engine. It also neutralizes acids produced from fuel and lubricant oxidation (detergents), improves the sealing of piston rings, and cools the engine by carrying away heat from moving parts. Taking the Malibu XL 2021 535T Automatic Sharp Edition as an example: the manufacturer of this car is SAIC-GM Chevrolet, classified as a mid-size car, with a gasoline energy type.
8
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.