How many hours does it take to charge a dead car battery?

1 Answers
SanRiley
07/29/25 5:34pm
If you want to charge a dead battery using the engine, it will take a total of 20 hours. Here is the relevant information: 1. If you intend to charge a dead battery using the engine, take a 12V60Ah battery as an example. The charging method adopts constant voltage and current limiting mode, with 14.8V constant voltage and 15A current limiting for 16 hours, followed by 3A constant current charging for 4 hours, totaling 20 hours. The required charging time is relatively long. 2. If the battery dies while driving, you can pull over before the vehicle becomes immobile and seek help from other drivers to charge your car battery by jump-starting with jumper cables between the two vehicles. Alternatively, you can call a tow truck to transport the car to the nearest repair shop for battery charging.
Was this review help?
11
5
Share
More Forum Discussions

How to adjust the height of the Venucia D60 steering wheel?

To adjust the Venucia D60 steering wheel, you can find a small lever directly below the steering wheel. Pulling this lever allows you to adjust the height of the steering wheel. After adjusting the height, return the lever to its original position and ensure that the lever at the bottom of the steering wheel is locked to prevent any accidents. Below is a detailed introduction to the Venucia D60: 1. In terms of the engine, the car is equipped with a 1.6L naturally aspirated engine sourced from Nissan, codenamed HR16. It delivers a maximum power of 93kW and a maximum torque of 154N·m. The automatic transmission models use a CVT continuously variable transmission, also part of Nissan's golden combination. While this powertrain is not known for strong power output, its durability, fuel efficiency, and reliability are what users value most. 2. In terms of the chassis, the Venucia D60 adopts the common front MacPherson strut independent suspension and rear torsion beam non-independent suspension for this class of vehicles. However, in terms of tuning, the D60 inherits Nissan's expertise, featuring a relatively soft overall chassis feel. This setup effectively filters out minor road vibrations, and when paired with highly cushioned seats, the Venucia D60 offers class-leading ride comfort. Of course, the D60's chassis tuning is not solely focused on comfort; it also exhibits a certain level of resilience when navigating more complex road conditions, making the chassis quite solid and stable.
6
4
Share

Where is the hazard flasher relay located in the Passat Lingyu?

Passat turn signal relay is located behind the hazard switch. Replacing the turn signal relay: For B5 models, the turn signal relay is integrated with the hazard switch. If replacement is needed, both the turn signal relay and hazard switch must be replaced together. The turn signal relay controls the flashing frequency of turn signals. A damaged relay may cause turn signals to remain constantly illuminated when activated; relay malfunction can result in turn signals flashing too quickly or too slowly. Design standards: The Passat sedan has exceeded mid-range vehicle standards in terms of power performance, overall design, safety concepts, driving comfort, as well as durability and reliability.
13
4
Share

What Causes High Fuel Consumption Display on the New Passat?

Passat's high fuel consumption issue is related to factors such as weather temperature, vehicle load, and driving habits. Weather Temperature: Due to low environmental temperatures in winter, the engine takes longer to reach normal operating temperature. The air-fuel mixture is richer at low temperatures, leading to higher fuel consumption in winter compared to other seasons. Driving Factors: Vehicle load increases fuel consumption, and driving habits also contribute. Try to avoid sudden acceleration, hard braking, and frequent braking. Another important factor is road conditions—when traveling, choose smooth and flat roads whenever possible.
11
4
Share

Where is the trunk switch on the Mondeo?

The Mondeo does not have an interior switch; the trunk can only be opened using the key. If the Mondeo's trunk won't open, it may be due to: 1. Overly stiff spring rods used to allow the rear hatch to automatically rise after pressing the opening switch. 2. Mismatch between the closing limit rubber block and the locking mechanism. 3. Fault in the trunk control circuit. 4. Failure of the trunk hydraulic support rod. The hydraulic control system, managed by the vehicle's onboard computer control system, operates the hydraulic system. Pressing the trunk lift switch energizes the relay, activating the hydraulic system, which then controls the trunk's lifting mechanism.
5
3
Share

How to Contact the Owner or Call the Police When Your Car is Blocked?

Methods to contact the owner when your car is blocked: 1. Call 114: After getting through, inform the customer service representative that you need to locate the owner. 114 will then transfer you to a dedicated hotline. Simply provide details such as the car's color, license plate number, and model, and they will immediately call the owner to request them to move the car. 2. Call 110 or 122: 122 is the traffic management department's hotline for handling public traffic incidents in China. Just provide the car's model, license plate number, color, and other details, and 122 will promptly contact the driver to notify them to move the car.
14
0
Share

Where is the drain switch for the Audi A3?

The drain switch for the Audi A3 is located at the bottom of the radiator. Simply open the drain screw to release the water. Opening the engine switch: Locate the hood release switch under the dashboard and open the hood. (For the Audi A3, the hood release lever is positioned near the driver's left knee area. Pull it backward to open the hood.) Locating the radiator cap: After opening the hood, the radiator is located on the left side of the engine. It is a large gray container with a black cap. Adding purified water or coolant to the appropriate level: Open the radiator cap and add purified water or coolant until it reaches the appropriate level. Then, close the radiator cap and shut the hood.
2
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.