How many hours does it take to charge a car battery that has run out of power?

1 Answers
OJackson
07/29/25 12:47pm
Typically, the battery capacity of a household car is around 60Ah, and the required charging current is one-tenth of the battery capacity, which is 6A. Charging at this current usually takes about 3-5 hours to fully charge the battery. If a lower current is used, it may take around 10 hours to fully charge. You can determine if the battery is fully charged by observing the following signs or checking the battery's indicator eye, which turns green when fully charged: (1) A large number of bubbles are produced inside the battery, creating a 'boiling' phenomenon. (2) The terminal voltage rises to its maximum and does not increase further within two hours. (3) The electrolyte level rises to its highest point and does not increase further within two hours.
Was this review help?
20
5
Share
More Forum Discussions

How to Test Diesel Fuel Quality?

Diesel fuel quality can be tested by observing color, smelling odor, checking impurities, and examining viscosity and foam. Here are some methods for diesel fuel quality testing: 1. Observe color: High-quality vehicle diesel should be a transparent liquid in colorless, light yellow, or light brown, slightly transparent without turbidity; dark black or soy-sauce colored indicates low-grade blended oil; turbid diesel suggests contamination with water or impurities. 2. Smell odor: Premium diesel has a normal fuel smell; inferior diesel may have irritating odors, such as strange or pungent smells from recycled oil. 3. Check impurities: Take a small amount of fuel and filter it through filter paper (or napkin), then observe whether any impurities are filtered out. 4. Examine viscosity and foam: Diesel itself has relatively high viscosity, which increases as temperature drops, meaning diesel has poorer fluidity at low temperatures.
17
3
Share

Is it okay not to buy full coverage insurance for a new car?

It is not mandatory to purchase full coverage insurance for the first year of a new car; you can buy insurance according to your needs. Typically, new cars are insured with full coverage because the combination of a new car and a new driver is prone to accidents. However, when renewing the insurance in the second year, many car owners will choose the insurance items based on their own needs. The following are optional commercial insurance items: 1. Vehicle damage insurance. 2. Third-party liability insurance. 3. Passenger liability insurance. 4. Glass breakage insurance. 5. Scratch insurance. 6. Theft insurance. 7. No-deductible insurance. 8. It is completely unnecessary to buy spontaneous combustion insurance for a new car; it is better to add spontaneous combustion insurance after a few years when the car is older.
20
1
Share

What off-road models does Dongfeng have?

There is only one model, which is the civilian version of the Dongfeng Mengshi, currently in a discontinued and out-of-production state. This model was produced in only three versions: the 2007, 2012, and 2014 models. More details are as follows: 1. Establishment Time: Dongfeng Off-Road Vehicle Co., Ltd. is a subsidiary of Dongfeng Motor Group Co., Ltd., established on August 15, 2002. It is the exclusive manufacturer of the 'Dongfeng Mengshi' series of high-mobility military and civilian off-road vehicles, which possess Dongfeng's fully independent intellectual property rights. 2. Introduction to Dongfeng Mengshi: The Dongfeng Mengshi is a serialized, multi-purpose, new third-generation high-tech basic tactical platform. The Dongfeng 1.5-ton high-mobility military off-road vehicle is a light 4X4 with a total mass of 5 tons, a loading capacity of 1.75 tons, and a towing capacity of 2 tons. It serves as a serialized, multi-purpose, new third-generation high-tech basic tactical platform, officially named 'Mengshi'.
2
0
Share

What to Do If a Beginner Driver Frequently Stalls the Car?

Solutions for beginner drivers who frequently stall the car are as follows: 1. Turn on the hazard warning lights when driving: Immediately press the hazard warning lights to alert the vehicles behind. 2. Pay attention to gear shifting: For manual transmission vehicles, shift to neutral; for automatic transmission vehicles, shift to N (Neutral) gear. 3. Restart the engine: Turn the key back to the starting position of the ignition (not applicable for push-button start models), then turn the key to restart the engine. 4. Ensure the gear matches the speed: For manual transmission, shift to the corresponding gear based on the current speed and RPM. 5. Conduct a check: Slowly pull over to the roadside and check the vehicle's condition.
9
0
Share

Does removing seats for 360 floor mats installation affect the car?

Installing 360 floor mats by removing seats generally does not affect the car. However, the installation of such floor mats can be somewhat challenging, and in practice, there may be instances where the technician's installation skills are inadequate, potentially causing damage to the vehicle. Therefore, car owners should choose large and reputable stores for purchasing and installing 360 floor mats to minimize the risk of damage and ensure proper installation. The benefits of 360 floor mats are as follows: 1. No shifting: 360 floor mats are designed with a 1:1 streamlined pattern based on the original car floor cavity contours, ensuring full adherence to the car's carpet surface without shifting. 2. Easy to clean: 360 floor mats fully cover the original car carpet surface, effectively maintaining interior cleanliness and preventing dust from adhering to the carpet, which can be difficult to remove. 3. Ensures driving safety: The embedded design prevents the floor mats from sliding during driving, and the corresponding gaps for the sliding rails do not interfere with brake operation, maximizing driving safety.
18
3
Share

What to Do If You Forget to Take the Card on the Highway?

Find the nearest highway exit and explain the situation to the staff at the exit. Here are some precautions for driving on the highway: 1. Pay attention to oncoming traffic: When merging from the ramp into the fast lane, pay attention to the traffic from the left while gradually accelerating. Ensure there is enough distance before merging and then accelerate forward. Try not to occupy the innermost lane, leaving it for other vehicles to overtake. Overtaking should be done from the left, as overtaking from the right is more dangerous. When changing lanes, check the rearview mirror, side mirror, and glance over your shoulder to assess the traffic in the target lane. Only merge when there is sufficient distance. 2. Use of headlights at night: Avoid using high beams at night, especially when there is oncoming traffic, as it can cause temporary blindness to the other driver. Use low beams whenever possible.
5
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.