The electric vehicle can’t charge fully after using a long time. The battery may be "lack of water".

Recently, some netizens consult for their total dissatisfaction that their electric vehicle can't charge fully for ten hours charging. The charger is still on a red light, and the battery heats up. Although electric cars still can use normally, you may be worried about it will fire or get explosion during charging.

What causes this? In daily life, how should we correct maintenance of the battery?

Often excessive charging easy call bottle "water"

According to a nearly 20 years in maintenance of master, this kind of situation, the charger don't jump the green light is not the charger is broken, but because the battery shortage, this is caused by excessive charging. Many simple figure, come back from work, no matter how much electricity is on charging the battery use, and a charge is all night. Generally speaking, the battery is full, in a 8 to 10 hours and in the case of surplus electricity more charge one night again, will the overcharge. When the weather is hot, overcharge are more likely to cause the battery shortage.

If the owner is not seriously, continue for a long time to water shortage of battery charging, battery hot, bulge drum will occur. Due to high temperature, can also lead to battery welding melt, appear not electricity, more serious may also due to short circuit fire. Encounter this kind of situation, should be tested in a timely manner to the after-sale service point or replacement.

Timing depth discharge prolong battery life

How do you let the battery with a longer? When using electric vehicles at ordinary times, should try to use up to refill the telephone. Of course, is not to say thoroughly exhausted, but according to their actual usage, in about a quarter of the electricity left charging. If there are conditions, can give the battery deep discharge once a month, namely the power full charge again after use. Because the battery plate and sulphuric acid chemistry to stay afloat, but salt chemistry in the easy, the battery sulfide. Deep discharge recharging, be able to activate the battery, is helpful to prolong its service life.

Suggest you try not to use street fast charging stations for battery charging. Quick charge is in a very short time to a strong current fierce press it into a battery, is like people drinking too fast easy to choking, quick charge also easy to cause the battery hot. If the battery itself is dehydrated, probably quick charge twice will cause the battery bulge drum, without using more and more, until the scrap.

Wrong can let a battery charger with short-lived

Battery bulge drum in addition to overcharge, and may be because of using the wrong charger. Charger must be and every car battery voltage, number of matches, if five four battery car battery charger to charge, the input current is too big, can put the battery charger bulge in one evening. In addition, if the charger fan is broken, also can cause the charger burned when charging, or even a fire.

Therefore, when pull out the charger, you can feel with the hand charger is hot. If the temperature is abnormal, then see if need to replace the fan. If we charge for one night, the charger don't jump lamp, should be timely to repair shop repair or replacement.

To remind the general electric car users: don't rely too much on smart charger, thought is filled automatically cut off power supply, it doesn't matter can't pull out the charger. In fact, the smart charger is not completely cut off the power supply on the market, but still a weak current, in a floating state. If at for a long time, also can cause damage to the battery.

The page contains the contents of the machine translation.