How long does it take to recharge the battery after starting a car?

1 Answers
IrisFitz
07/30/25 10:28am
10 minutes. Common starter specifications are 12V, 2000W, with a rated current of about 166.7A. Research shows that the current required for starting a typical DC motor is about 5 to 7 times the rated current. Taking 5 times as an example, that's 833.5A, lasting for 1 second. However, most ordinary household cars take about 3 seconds to start. Based on calculations, starting the car once consumes approximately 32AH of electricity. More relevant information is as follows: Note 1: Whether using a traditional key or push-button start, always first power up the entire vehicle's electrical system (turn to the ON position) to allow the vehicle to perform a self-check. Wait for the indicator lights to turn off before starting the engine. At this point, the self-check is complete, and oil pressure has been established. Note 2: After starting, continue to warm up the car while driving. Once the engine speed returns to the normal range, you can proceed to drive. However, avoid accelerating abruptly at this stage. It's best to drive in gear, keeping the engine speed below 2000rpm. Right after starting, the water temperature in the engine's radiator is still relatively low. Drive at low speed for 3-5 minutes until the water temperature reaches the normal range (around 90 degrees), after which you can drive normally.
Was this review help?
9
1
Share
More Forum Discussions

What should be paid attention to when replacing brake pads?

When replacing brake pads, the following points should be noted: 1. When replacing brake pads, be sure to polish the edges and corners. Normally, brake pad manufacturers will leave a beveled surface when leaving the factory, called a "chamfer." It is also necessary to polish the edge positions of the entire friction surface, a process known as noise matching. 2. After replacing the brake pads, try to avoid heavy braking and especially sudden braking. This is because the new brake pads and brake discs are not fully fitted at this time. Since the old brake pads and brake discs have left scratches, the newly replaced brake pads first need to adapt to the contact. The size of the contact area determines the effectiveness of the brake pads. 3. After replacing the new brake pads, be sure to run them in so that the brake pads can achieve a good fit with the brake discs as soon as possible to ensure braking performance. Generally, after replacing the brake pads, it takes at least 500km of thorough running-in to get the new brake pads into working condition. Before this, the speed should be appropriately controlled, and road conditions should be anticipated when driving on highways to prevent sudden braking, which could affect braking force.
15
5
Share

What does ECO mean in cars?

ECO refers to the car's economical driving mode, which is an English abbreviation formed from Ecology (environmental protection), Conservation (energy saving), and Optimization (power). The Eco mode is further divided into active eco driving mode and non-active eco driving mode. When the eco indicator light on the dashboard illuminates, it indicates that the vehicle's economical mode has been activated. Eco mode is categorized into active and non-active types. The difference lies in the fact that the active type has a dedicated button, allowing the driver to choose whether to activate it. When the driver presses the eco mode switch, the dashboard indicator light immediately turns on, and the vehicle automatically begins adjusting settings such as throttle opening, transmission shift logic, and air conditioning output power. Non-active eco mode does not have a dedicated button. When the dashboard eco indicator light turns on, it serves merely as a reminder function. The eco system automatically evaluates your driving behavior, and if your current driving operation achieves the optimal fuel supply, the dashboard will simultaneously display the eco indicator light. Most cars employ the active eco driving mode, meaning they have a dedicated switch button. Therefore, during daily driving, we can activate the eco mode. However, it is unnecessary to enable eco mode when driving at speeds exceeding 120 km/h, during idle parking, in N/P gear, or in manual mode, especially when climbing hills. Doing so would not reflect the fuel-saving characteristics of eco mode and could instead impact the vehicle's power performance. Additionally, the eco mode typically deactivates under the following circumstances: When the vehicle speed exceeds 120 kilometers per hour, the car prioritizes speed, causing the eco mode to automatically deactivate. During idle parking or in N/P gear and manual mode, the eco mode may also deactivate. When high torque output is required, such as when climbing a hill, the engine control unit prioritizes ensuring sufficient power to drive the vehicle, and the eco mode will not function.
9
0
Share

How to Repair Scratches on Car Glass?

Methods for repairing scratches on car glass: 1. Apply polishing compound to the scratch and then remove it. Choose a professional polishing compound or simply use toothpaste. However, this method requires attention to several aspects. First, the polishing compound is suitable for very small scratches. Second, since polishing will inevitably cause some wear to the glass, which may affect driving visibility, the area where the scratch is removed should not be within the driver's line of sight. 2. Use a professional scratch repair adhesive. The repair agent is a colloidal substance that slowly penetrates into the scratch on the car glass to achieve the repair effect. However, repair products require relatively high operational skills. Improper operation may cause unevenness in the local area, especially under the reflection of sunlight, which can further affect local visibility. Therefore, it is recommended to go to a professional beauty shop for repair. 3. Polishing method. Its working principle is to use several different grits of sandpaper to grind and polish the scratched area to achieve the repair purpose.
11
0
Share

What to Do About Engine Oil Burning?

Engine oil burning should be addressed by taking the vehicle to a 4S shop for a comprehensive inspection as soon as possible. There are two main causes of engine oil burning: 1. Normal wear: This is a common occurrence after the vehicle has been driven for a certain mileage. 2. Abnormal wear: Causes of abnormal wear include product quality issues and premature wear due to improper use. Daily maintenance methods to prevent engine oil burning are as follows: 1. Try to choose higher-quality gasoline. 2. Older vehicles can appropriately use slightly more viscous engine oil to enhance the sealing between pistons and cylinder walls. 3. Regularly check the oil dipstick and replace the engine oil and genuine oil filter components as required by the product manual.
17
5
Share

What kind of oil is inside the transmission?

Transmission fluid specifically designed for automatic transmissions is used inside the transmission. More information about transmission fluid is as follows: 1. Transmission fluid is a lubricant that keeps the gear system clean, ensuring proper operation of the transmission and extending the lifespan of the transmission components. 2. Under normal driving conditions, automatic transmission fluid should generally be replaced every 120,000 kilometers, while under severe driving conditions, it should be replaced every 60,000 kilometers. 3. Manual transmission fluid is commonly referred to as gear oil. Under normal driving conditions, manual transmission gear oil should generally be replaced every 2 years or 60,000 kilometers.
7
5
Share

What is Electronic Control Suspension?

Electronic Control Suspension, abbreviated as EMS, is an electronic control system based on conventional suspension. Below is relevant information: 1. Electronic Control Suspension, abbreviated as EMS, is an electronic control system based on conventional suspension. It consists of three main components: sensors, an electronic control unit (ECU), and actuators. 2. Working principle of the electronic control suspension system: Sensors convert road conditions (vehicle vibrations), vehicle speed, and driving conditions such as acceleration, turning, and braking into electrical signals, which are then transmitted to the electronic control unit. The ECU processes these signals comprehensively and outputs control signals to adjust the suspension's stiffness, damping, and vehicle height. 3. The electronic control suspension system can adjust parameters such as suspension stiffness, shock absorber damping force, and vehicle height based on signals like vehicle height, speed, steering angle and rate, and braking. These adjustments are controlled by the ECU, enhancing the vehicle's ride comfort, handling stability, and off-road capability.
4
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.