What should I do if my car battery is dead? Popular topics and solutions on the Internet in the past 10 days
Recently, the discussion of dead vehicle batteries has become a hot topic, especially in low-temperature environments in winter, where battery drain problems occur frequently. The following is a compilation and structuring solution for popular content on the Internet in the past 10 days to help you quickly respond to emergencies.
1. Statistics of popular battery issues across the network in the past 10 days

| Topic keywords | peak search volume | Main discussion platform |
|---|---|---|
| Battery loss in winter | 125,000 times/day | Douyin, Autohome |
| Electrical rescue method | 87,000 times/day | Baidu knows, Zhihu |
| Emergency starting power supply | 63,000 times/day | JD.com, Taobao |
| Battery maintenance misunderstandings | 51,000 times/day | WeChat public account |
2. 5 emergency solutions for dead batteries
1.Electric start (requires another car)
| steps | Operational points |
|---|---|
| 1. Vehicle positioning | The distance between the batteries of the two vehicles shall not exceed 1.5 meters. |
| 2. Connection sequence | Connect the positive pole to the positive pole → connect the negative pole of the rescue vehicle to the body ground |
| 3. Startup timing | Keep the rescue vehicle running at 2000 rpm for 3 minutes before trying again. |
2.Emergency start power use
| Brand popularity | Capacity range | reference price |
|---|---|---|
| Newman (TOP1 in the entire network) | 12000-20000mAh | 200-500 yuan |
| Michelin | 15000-25000mAh | 300-800 yuan |
3.Insurance company free rescue
| insurance company | response time | Service limitations |
|---|---|---|
| People's Insurance Company | 40 minutes in the city | 3 free times per year |
| Peace | 60 minutes in the city | Commercial insurance is required |
3. Three key measures to prevent battery loss
1.Parking habits optimization
• Turn off all electrical equipment before turning off the engine (actually measured when the headlights are not turned off, the battery will be exhausted in 48 hours)
• If parked for a long time, it needs to be started for 15 minutes every week, or the negative pole must be disconnected.
2.Battery health monitoring
| Battery type | normal voltage | Change warning value |
|---|---|---|
| Lead acid battery | 12.6V | Below 11.8V |
| AGM battery | 12.8V | Below 12.0V |
3.Special maintenance in winter
• Battery capacity drops by 40% in -20°C environment. Recommendations:
• Install a battery insulation cover (average price 80-150 yuan)
• Use a dedicated charger to slow charge once a month
4. Latest technology trends (hot searches in the past 10 days)
1. BYD launches "intelligent self-heating battery" technology that can maintain 90% capacity at -30°C
2. Tesla APP adds a new "battery health warning" function (requires V11 system version)
3. JD.com’s big data shows that emergency starting power supply sales increased by 210% year-on-year in December
Summary:When the battery is out of power, give priority to professional rescue services. Daily things to note:
① Batteries over 3 years old need to be monitored intensively
② When installing additional electrical equipment, the battery load must be evaluated
③ It is recommended to use a smart charging maintainer for long-term parking
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