How can an electric car battery repair, electric car battery repair method

Electric bicycle rides after two or three years battery power is insufficient, go to repair shop changes battery to need to spend 6 700 yuan money, here I teach you a move, want to spend 2 only 3 yuan money, your battery can repair such as new. Just follow these steps:

First of all, prepare a screwdriver, an electrician pliers, a hair dryer, (these things are generally at home), and spend two or three yuan to the hardware store to buy a bottle of battery water, a bottle is about a catty more, there are these can. Then, remove the battery, pay attention to remember the battery wiring is negative. Along the electric bottle blowing a few minutes, use hair dryer (because of electric bottle cap with honey sealing glue stick, blowing hot can make glue softening), then use a screwdriver to pry open electric bottle caps, (electric cap may be bad at this time, it doesn't matter, pry) open the cover and you will see that the battery has six bottleneck cover. You open the six caps with an electrician's pliers, and you see a small opening, and you shine a flashlight inside and you see the lead in the battery. The battery water just bought < is actually diluted > sulfuric acid with a syringe into the battery, fill up, no syringe in the battery bottle cover open a small mouth, insert a straw can add water, six mouth are full. After filling, cover the six LIDS, put the cap on the electric bottle, and seal the lid with adhesive tape. Clean the battery, put it back in the electric vehicle, and connect the wires according to the original line. And continuous charging for 12 hours. Start the electric car, use up all the battery power, to use no electricity, and charge for another 12 hours. This way, your battery will look like a new one and last for another two or three years.

Test battery no-load voltage and load voltage, good battery no-load about 13V, load 8-9v, bad battery load voltage will be very low.

Test the internal resistance of the battery the internal resistance of this battery is generally about 10 milliohms, if the internal resistance is large that has been damaged

Add distilled water to the battery, depending on how much is missing, and remember not to add anything that contains acid, because the acid is not missing,

Method/step 2

Rest for 10-30 minutes, repair with the repair instrument, start voltage adjustment to 14V, current in 1-2a, and then repair under 16.2V1A current. Until the specific gravity reaches 1.34-1.35

Battery is generally the production of vulcanization caused by the decline in capacity, the causes of vulcanization are: large current discharge for a long time, the form of loss of power, and long-term let the battery in the loss of power, water shortage and so on.

Actually repair method is very much, your individual does not have professional repair equipment, can add water to undertake maintaining only.

Batteries, whether they are maintenance-free dry or water-powered, are in need of maintenance. Maintenance-free is not maintenance-free at all, just not very often.

The general battery repair is through the battery repair instrument and the battery repair fluid to the battery repair. You don't have that, you have to add water, do simple maintenance. Water is to have a requirement, tap water and ground water and mineral water are not ok, want to use distilled water, deionized water or tall pure water just can.

Open the battery cover and remove the 6 helmets. 

Fill each hole with distilled water with a syringe. If 1.28 standard electrolyte is added, the plate may burn out due to excessive acid dissolution. For example, when we eat hot pot, why do we eat it more and more salty? That is to say, when the water evaporates, the salt will not evaporate through the water vapor. Similarly, the acid in the battery will not be evaporated. 

After filling, let the battery rest for half an hour, so that the spongy body around the plate can fully absorb water. Then reoccupy resistance discharge, put the electricity in battery, all put, without resistance, can replace with a 12v bulb, such as: motorcycle headlight, car turn signal can, as long as can play the role of discharge to 0v. How to judge the battery is nearly out of power, cement resistance discharge at the beginning of resistance body hot, slowly gradually not hot, then the battery is out of power. Bulb words, but also direct, as long as the light slowly does not light, it shows that the battery discharge is over, the discharge time depends on the capacity of the battery discharge, we can first put the battery ride to no power when maintenance, so as to shorten the discharge time.

How to repair electric vehicle battery?

At the end of discharge, the battery can be charged by means of pulse charging, which can effectively remove the vulcanization of the electrode plate and improve the capacity of the battery. If you don't have one, you can use it instead.

(charge the battery) Take pulse charging as an example below.

How to repair electric vehicle battery?

After charging, use a syringe to extract excess water from each hole. There are a total of 6 holes, step by step to complete.