I spent $4,500 on a new setLead-acid batteriesThe theoretical life span of two to three years resulted in a direct cut-off of less than half a year, and many of the first reaction was to be buried. But 50-60 million electric cars are replaced every year. Refurbishment, after-sales, and groceries are common in the market, and, together with your usual habit of charging cars, you may have been quietly hurting batteries, which are the result of a combination of six or seven common causes。
Refurbishing old batteries as new to the market
In exchange for the old batteries that are newly collected, the equipment will be detected on a block-by-block basis at the point of processing. The recoverable items were removed and placed in isolation without direct end-of-life treatment of restoration value. Those that can use sandpapers to flatten old trademarks and dates, recharging them, rematching them with other good batteries, and finally branding new brands with scratchboards that can hardly be separated from new batteries. Such goods go to the townships to repair cars and shops online at very low prices。
Buying this battery is lucky to last for six months, and three months is short. Batteries are replaced by hand touching the outer casings, and if the surface is rough with scratch marks, with twisted scratches on the polar screws, and the edges of trademark printing are not clear, it can be generally concluded that the goods are refurbished. Don't buy it for $1,200, and it's cheaper to buy real new batteries at a regular price, saving time and time。
When you sell a special battery for a new battery
The batteries returned by the distributor during the quality assurance period are usually kept in service in one or two of a group of four. They rematched the batteries that were still available, with packages with the words "special after-sale" or "post-sale maintenance" on the outside, which were intended for replacement by the warranty client. However, a number of unfaithful mechanics will take out the package and sell it directly to unintelligible owners for a hammer。
These batteries have already travelled hundreds of kilometres in electric vehicles, internal active lead has been partially sulfated, with a much shorter lifetime than that of an entirely new battery, generally declining significantly from half a year to a year, and with shorter and shorter voyages. You're paying for a new battery. You're buying half of it. Turn over the package when changing batteries, and see the words "after sale" or "after sale maintenance", no matter how cheap it is, don't hesitate。
The small plant's imprescriptible
There are approximately 350 million electric vehicles in the country, one per three persons on average, and 50 million vehicles are sold each year, 80 per cent of them containing traditional lead-acid batteries. There are hundreds of domestic battery plants that are so big and small, and there are just a few brands that really pass through. If you've never heard of the brand, it's probably a workshop product, with very thin and unstable acid concentrations, which will collapse in a few months and will not last a theoretical lifetime。
Model matching also directly determines battery lifetime. The 48v electric vehicle is equipped with 20ah lead-acid batteries, 60v is equipped with 23ah graphite batteries, and 72v electric motorcycles are equipped with 32ah or 38ah graphite batteries, so that the battery is able to carry a reasonable battery load. The impurity of the impurity of the impurities is so severe that the 38ah may actually be only 30ah, with the power being overloaded at the end, decaying several times faster than the normal product, and decapitating on a few months ' journey。
It's only a year for a big, low-end battery
Large brand batteries are divided into three stages, medium to high, and the lowest set of general lead-acid batteries can be recycled 350 times. You are charged once a day, 365 times a year, and the battery is just at the end of its life. So even if it's a big brand, and it's the lowest class of common lead acid, it's not gonna work for a year. It's not a pit, it's the upper limit of the process and capacity, and it has nothing to do with not naming the brand. If you want to spend another two or three years, you'll have to choose the top。
The graphite series of head brands is recognized if batteries are durable, and such batteries usually provide two-year quality assuranceUse methodThe correct life expectancy can be three to five years. It is $1,200 more expensive than normal lead acid, but the daily cost is lower. Don't buy the minimum for dozens of dollars, spend more on the next six months, put all the time in it, and the final payment is even worse。
Recharge habits determine how long the battery actually works
The cell chamber is closed during the summer and the temperature is above 50 degrees after parking. At this point, chargers are immediately plugged in, chemically react to heat and residual temperatures, deformed drums filled with three or four polar plates, and batteries are destroyed. The right approach is to go home and heat the battery for an hour before charge, to shut down the charger when the charger's red light turns green, to keep the charge time within eight hours of the summer, and not to park the electric car in the sun, which is to charge the battery。
In winter, the batteries are still warm and can be recharged immediately when they return, but the charger's green light is on for another hour before the power is cut. It takes less than 10 per cent or even half-way to think about charging, with two cells left, or about 30 per cent. Depth discharges accumulate damage to lead-acid batteries and reduce the real life of each run-off, regardless of whether the battery itself is good or not。
When you buy it, remember the standards of true judgment
First look at the weight. 12v38ah graphite batteries, with good single mass ranging from 10. 6 to 10. 8 kg, with low mass ranging from 9. 5 to 10 kg, heavy polar mass, high power storage, long range and long life, with lead acid batteries bearing the highest weight. Second, the batteries are printed ahead of the date of production, and the actual date of release from the plant in march may be the next month, which must be the nearest date, as the date of delivery begins to run from the date of production and the later you lose。
Thirdly, the new battery shell is smooth, brands are printed clearly and there are no screwdrivers. Fourth, for example, the label "4-1" "4-2" represents the number of blocks in this group of $4. 48v batteries, and four numbers must not be mixed. To look at them, they hardly step on the pits of refurbished and groceries, and spend as much as they cost to buy the batteries。
Did you change the battery to a brand-owned authorized store or a roadside garage? Have you ever met a guy who rides halfway to a car shop without electricity and pulls you into a new experience? The comment section tells the story of your pedestals, and if it's useful, it's a compliment to a friend on a motor vehicle。
