What problems should be paid attention to when buying a second hand battery car

One look at the appearance, how new is the condition? Don't buy the ones that are too old, the battery is basically useless, don't listen to the car seller who says how many kilometers you can ride! It's all empty!

If it is a new battery, he must provide an invoice for the purchase of the battery!! You have to try to ride it yourself, don't ride slowly, that style can't be good or bad for the battery! To pull the electric door to the end, that is, to pull the rapid!

Look at the voltage indication of the battery (that is, the power pointer) will be fast! If it drops quickly and slowly, it means that the battery is not good. If you drop it quickly, you can return it quickly, and the battery will be good!

If you don't go back, it's basically useless!!

Second, look at whether the motor is brushed or brushless, and now it is basically a brushless motor! The sound is small, so you don't have to worry about changing carbon brushes!! Don't buy it directly if you have a brush, it's quite annoying to buy it!!

Third, look at the details, try whether the headlights, turn signals, brake lights, and instruments are all on and whether the switches are easy to use! Then see if the brakes work The brakes must be tried, and it will not be good if something happens!! The brakes are basically drum brakes, and if they are disc brakes, it is better

Fourth, I am not from Hangzhou, **I don't know! If you ** more than half of the new car is recommended not to buy it is better to buy a new one!!

Whether the frame is still good, the tires, the configuration of the car itself, whether the battery can run far, whether there is an accident, whether it is stolen, whether the motor is good, whether the performance in all aspects is good, and how much it will cost to maintain it when you buy it back, these should be paid attention to.

1. Pay attention to the ** of the car.

When purchasing, check whether the documents of the electric vehicle are complete, including invoices, certificates, warranty cards, manuals, soft and hard certificates, etc. Don't buy cars that don't come from the right way, even if the car is very new and cheap, don't ask for trouble for the sake of cheapness.

2. Pay attention to the performance of the car.

Since it is a second-hand car, of course, the car is discounted, so the parts of several key parts need to be paid special attention to, and the safety performance is very important. It's a good idea to check and test ride more often to see if the brakes are sensitive, which is crucial.

3. Pay attention to check the battery life.

When purchasing, be sure to check or ask whether the battery is original, the date of battery replacement, etc., or a test ride, generally from the newness of the car and the time of purchase, roughly deduce the strength of the battery's endurance. If the battery has been used for more than one year, the battery has begun to age, and the replacement time of the battery is generally not more than one year.

4. Pay attention to the motor of the electric vehicle.

When purchasing, it is best to choose a motor with brushes and teeth, brushed without teeth, or brushless without teeth, and the power consumption will increase significantly after the motor is used or the riding distance is long.

5. Pay attention to the manufacturer.

Manufacturers are equally important to second-hand electric vehicles, and generally good after-sales service from manufacturers.

It's all pretty good. There will be a certain free warranty time for the whole vehicle, as well as the warranty time for batteries and motors. It's a good idea to find out beforehand things like when the car was purchased, as well as the brand's reputation, after-sales service, and so on.

6. Pay attention to the ** of electric vehicles.

Good quality and low price is the unanimous pursuit of buyers, and shopping around is a good way. Some second-hand cars are almost brand new, this kind of car within 6 months, if **is half or higher of the original invoice**, then the car is still worth buying; More than 6 months, less than 1 year, **can not exceed half of the original car invoice**, after all, more than 6 months of batteries, can not get a new standard battery from the manufacturer's after-sales service, can only replace the battery.

First of all, according to the newly issued new national standard specifications and related policies, the compulsory registration and licensing of electric vehicles has been fully implemented. Therefore, when you buy a second-hand electric vehicle, you must first make sure that the purchase channel of the car is formal and whether it has been registered.

If the second-hand electric vehicle you intend to buy has not been registered, you need the original owner to show a complete set of car purchase documents, including purchase invoices, certificates, manuals, warranty cards, etc., so as to facilitate the registration of the license plate in the later stage.

Secondly, pay attention to whether the second-hand electric car purchased is regular, if you find that the car is brand new but sold very cheaply, even lower than the discount ****, at this time you should pay more attention, because this is likely to be an unknown "stolen car", to avoid buying cheap but causing trouble.

Again, it is necessary to pay attention to the key parts of second-hand electric vehicles, to experience riding more to try, to check the safety performance of the components, such as whether the motor power is full, whether the battery display is accurate, whether the brakes are sensitive, whether the shock absorption effect is good, whether the front and rear lights are in good condition, etc.

And, of course, there's battery life, which everyone cares about. If you buy a second-hand electric vehicle, you must check the battery life to ensure that the battery is original, or the battery replacement date. Avoid the aging of the battery, and the battery replacement time should not be too long, preferably no more than one year.

The last point, which is also more crucial: is to ensure the after-sales warranty and manufacturer of second-hand electric vehicles. To ensure that second-hand electric vehicles are produced by regular manufacturers, it is necessary to ask about the free warranty time, battery, motor warranty time, and the conditions and requirements for replacing parts in the later stage.

The most important thing to buy a second-hand electric car is to look at the service life of the battery, because under normal circumstances, the new battery will generally be replaced in two years, and if the battery is not used, the battery must be replaced, which will increase the cost.

The most important thing to buy a second-hand electric car is the age of the battery, the long life you just bought soon after spending a few hundred yuan to replace the battery, and then a shelf is not old and strong, otherwise you will break the frame with some heavy things, and then buy it after checking it carefully.

First of all, we must look at the whole car to see if there are traces of bumps, check whether the front and rear tires are new or old, and then check whether there is oil leakage in the front and rear shock absorbers. When checking what year the battery is, you also need to look at the seller's ticket to buy the car.

When buying a second-hand electric vehicle, check the battery, whether the car has been soaked in water, and whether the brake system is safe.

<>First of all, I would like to say that except for individual models of individual brands, the vast majority of electric vehicles have a low residual value rate. When we buy a second-hand electric car, the condition of the car, the battery, and the age of the car are several factors that must be seen.

The first look at the condition of the car, first check whether the appearance of the vehicle is complete, whether the frame is rusty or cracked, check the function buttons of the car, whether it can be used normally, whether the tires and brakes have serious wear marks, whether the shock absorption is leaking liquid and oil, etc.

If it is a defective product, don't buy it even if it's cheap, unless you're really greedy for cheap.

The second look at the age of the car, that is, the date of production, of course, the younger the car, the better the car, and of course, the more expensive. It is better to have a certificate and invoice to see it yourself, and if there is no one, check the vehicle code or motor number.

Third, look at the battery, we all know that among the three major parts of electric vehicles, the battery is the most core and expensive component, and the battery can be tested through the voltmeter or directly to the car repair shop. Another is to look at the date of production of the battery, the closer the date, the lower the loss of the battery.

Precautions for buying second-hand electric vehicles, listen carefully to what the master says, and avoid being deceived.

1. Check the date of the invoice of the electric vehicle, the remaining warranty time of the warranty card, whether the invoice is consistent with the original owner, and whether the license plate of the electric potato motor vehicle is in line with the first person.

2. Check the frame number of the electric vehicle.

Check below the opposite side of the charging port), the motor number (check the rear wheel steel rim) and the invoice slide as above to see if they are consistent, this item and the previous item determine whether the electric vehicle** is legal.

3. Check the electric vehicle battery to see if the tram battery is the original battery and whether it has been replaced, and test whether the charger can be charged (if there is no place to plug in, you can not check).

4. Check whether the front and rear lights of the electric vehicle, the left and right turn signals are normal, and whether the tram horn is loud.

5. Check the tires of the electric vehicle, then test drive, and drive a few times to experience whether the brakes are sensitive.

6. Check the car again when transferring ownership, and then sign the transfer agreement, queue up to go through the transfer procedures and then give money.

1. Formalities.

The invoice is the most important, the car can have nothing, as long as there is an invoice, it can be considered a clean car, even if the owner loses all the other things, it doesn't matter, the invoice can also be fake, the easiest way to identify, see if the car is licensed, if the license plate is on, the invoice will have a public security cavity on the name, and the steel seal number, yourself and the car steel seal right, if there is no license, the car even if it is a dirty car does not matter, the invoice in your hand This is the real car, there is no need to worry.

Certificates, warranty cards, instructions, these are meaningless without invoices or hard and soft documents. If there are soft or hard documents (pay small plates), the buyer should pay attention, these must be on the steel stamp, the pedal steel stamp on the front fork of the car, and the bicycle style on the steel pipe under the saddle.

2. Vehicle quality inspection.

Generally, 90% of the cars sold have problems, but some have big problems and some have small problems.

1) Motor problem: This is not a lot of problems, especially old cars, if there is a problem with the motor, it must be for the general user, it is not possible to buy, after all, now repair a motor as long as it is removed, 100 yuan is gone.

2) Circuit problems: There are many such problems, accounting for more than half, generally these are not too concerned about buying a car, as long as it does not affect the use, it does not matter if the lamps are broken.

3) Battery problem: After all, the battery is a consumable, so for buying a second-hand car, or care about the point**, the battery is something you can't care about and can't care about, you must do the worst for the battery, don't deceive yourself.

3. Detail observation.

Look at the motor screws of the car to see if there are traces of the screwdriver's action, and judge whether the motor has been repaired. The original key of the car is generally OK, and it is a key to open everything, power lock, trunk, battery box, etc., the car that has changed the key, the possibility of a dirty car is also relatively large. Whether it is the original charger, the plastic of the original charger is generally thicker, and there must be a manufacturer's label, not the original charger, and the dirty car may also be there.

4. The relationship between ** and the car.

I often see a lot of good cars, some owners of the car is almost brand new, in this case within 6 months of the car, if the original invoice is half or a little higher, then the car is still worth buying; Wuzhou is more than 6 months, less than 1 year, **can not exceed half of the original car invoice**, after all, more than 6 months of battery, can not get a new standard battery from the manufacturer's after-sales service, can only replace the battery.

Precautions for buying a second-hand electric car:

1. Look at the condition of the car:

First of all, check whether the appearance of the vehicle is complete, whether the frame is rusty or cracked, check the function buttons of the car, whether it can be used normally, whether the tires and brakes have serious wear marks, and whether the shock absorber is leaking liquid and oil. The condition of the car is related to the safety of travel, if it is a defective product, even if it is cheap, do not buy it.

2. Look at the age of the car:

That is, the date of birth of electric vehicles, the smaller the car, the better, of course, it will also be more expensive. If you have a certificate and an invoice, you can see it yourself, and if you don't have it, check the vehicle code or motor number.

3. Look at the battery:

Among the three major parts of electric vehicles, the battery is the most core and expensive component, and the quality of the battery can be directly checked by the voltmeter, or driven to the car repair shop to test the battery status. Another is to look at the date the battery was manufactured, and the closer the date, the lower the battery wear.

Used Electric Vehicle Maintenance:

1. The height of the saddle and handlebar should be adjusted before the use of the electric bicycle to ensure the comfort of riding and reduce fatigue. The saddle and handlebar height should vary from person to person.

Generally, the height of the saddle is suitable for the rider to be able to land reliably on one foot (the whole vehicle should be basically upright), and the height of the handlebar is suitable for the rider's forearms to be flat and the shoulders and arms relaxed. However, the adjustment of the saddle and handlebar should first ensure that the insertion depth of the pipe and handlebar riser must be higher than the safety mark.

2. Check and adjust the front and rear brakes before using the electric bicycle. The front brake is controlled by the right brake handlebar, and the rear brake is controlled by the left brake handlebar. The adjustment of the front and rear brakes is suitable for reliable braking when the left and right brake handle reaches half of the stroke; The brake skin is excessively worn and should be replaced in time.

3. Check the tightness of the chain before the electric bicycle acts. If the chain is too tight, the pedals are laborious, and if they are too loose, they are easy to shake and rub against other parts. The sag of the chain is 1-2mm, and it can be properly tightened when riding without pedals.

When adjusting the chain, loosen the rear wheel nut first, adjust the tightness of the chain by evenly screwing in and out the left and right chain adjustment screws, and re-tighten the rear wheel nut.

4. Before using the electric bicycle, the lubrication of the chain should be checked. Feel and observe whether the rotation of the chain shaft is flexible, and whether the chain link is seriously corroded. If it is rusted or the rotation is not flexible, an appropriate amount of lubricating oil should be added, and the chain should be replaced in serious cases.

5. Before riding the electric bicycle, check whether the tire pressure, handlebar steering flexibility, front and rear wheel rotation flexibility, circuit, battery power, motor working conditions, lights, horns, fasteners, etc. meet the requirements of use.