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Ремонт

Не

работает

батарея

Li-ion

00:00:03

reanimation of a battery,

00:00:06

namely lithium-ion batteries,

00:00:10

that is, it is legion pour monolith

00:00:13

on nickel, cadmium does not apply,

00:00:17

look, it happens that when a

00:00:21

screwdriver did not work much, that is,

00:00:25

it lay for a very long time and the batteries

00:00:28

gradually discharged themselves and they

00:00:32

can go into deep discharge

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then they don’t work at all, that is,

00:00:38

look, this applies to repeating the

00:00:41

lithium-ion battery because there is a

00:00:47

charge and discharge control board inside the battery of each legion, if

00:00:51

they are deeply discharged

00:00:54

completely, then you see the electronics

00:01:01

generally cut off the power from the

00:01:07

train’s screwdriver, in principle, you think it’s possible

00:01:11

plug it into this socket for charging from the

00:01:15

charger and it will charge, but that’s exactly the

00:01:19

problem, that is, we insert it into the

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socket

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when the elements are legions, that’s liteon,

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and they go into deep discharge, you see a

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red indicator, this is charging, green, that is, it is

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already charged, that is, their control board it

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just stops seeing these elements, this is a

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completely new screwdriver,

00:01:51

that is, what happened to it, it was

00:01:55

lying for a long time before being sold, that is, in a

00:01:58

discharged state and the batteries went into a

00:02:03

deep discharge, so the

00:02:06

battery does not rise,

00:02:09

that is, it says charging that it is working, that it is charged,

00:02:14

but is not charging, that is this

00:02:16

can happen with both a new and an

00:02:19

old battery that has been lying around for

00:02:23

some time, here for comparison, a

00:02:25

normal battery, go

00:02:31

red charging, when charging it will be

00:02:37

green and it is charged and works fine,

00:02:44

how to lift such a battery, that is, well, this is

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not one hundred percent cases, this method

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works but if you have a more or less

00:02:56

fresh

00:02:58

screwdriver and it’s just been lying there for a long time,

00:03:02

first we disassemble the battery so it’s

00:03:17

unscrewed and

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disconnect the lid, look, our

00:03:33

task is to get to these elements, there are

00:03:38

several of them, this is an 18-volt

00:03:44

battery,

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so they’re all open here, sometimes they’re

00:04:03

covered with tape in in this case, it’s open,

00:04:07

so this is the charge-discharge control board

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there on the other side, you can see it

00:04:16

here as a share, it’s just there there’s a

00:04:19

charge-discharge controller, as you can see, there

00:04:30

are several options for the development of

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events,

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if you show all the banks,

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you measure each bank, and not a single

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bank less, well, let's say 38, let's say

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less than three and a half, it doesn't show

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like here 414 2415

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this is the voltage of a charged can,

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that is, everything with the cans

00:05:11

is fine, the control board is faulty,

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that is, it gives a charge, that is,

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the sled is charged, everything is fine, but there is

00:05:22

also a discharge to discharge here Through

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the controller, everything works for discharge, it does

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n’t give permission, so to speak, here

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through the field switches, it opens them,

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closes them with the controller, that is, the

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control board is not correct, that is, well, in

00:05:45

principle, you can directly solder two

00:05:53

fields of the century

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and it will work, but it will also charge, it will

00:06:01

also charge, it will charge there will be

00:06:03

but for the discharge here the principle of operation is what

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if there are wires soldered to each branch

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and the controller controls the

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voltage of each of the cans if the cans are

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already less than three and a half volts

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the electronics simply cuts off the power to

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the batteries to the power to the screwdriver and

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it cuts everything off and it turns out like

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this case, that is, it is completely dry and deaf,

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this voltage is not present, if main

00:06:48

we solder these field switches directly, that

00:06:55

is, power will be supplied, it will

00:06:58

work as expected, but the electronics will

00:07:02

no longer be able to control the discharge, that is,

00:07:05

they will be discharged almost completely when

00:07:08

you work with a screwdriver, you

00:07:11

cannot drive these cans are deep

00:07:16

discharge, that is, if you suddenly have such a

00:07:19

situation, you are swimming through the

00:07:25

watering watch, I’ll show you about the soldering, I’ll show you how it will

00:07:27

look, first you need to unsolder

00:07:33

these connections here,

00:07:50

so here the temperature sensor is put

00:07:54

inside and look, our field workers

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open a path through them to power the

00:08:10

battery with

00:08:16

this leg of the left sedan, the control

00:08:21

legs are constantly there through some kind of

00:08:26

balance on and resistance on this side,

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too, it’s just there it’s not visible under it, this is the

00:08:37

control leg, it opens

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this path, that is, from here to here

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it is switched under control

00:08:51

our task is to solder this leg, this is

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from here, take a piece of me from here and here

00:09:01

you can here, as it were, well, for convenience

00:09:08

now we’ll do something like this, that is, as if for

00:09:11

starters, I’ll give you if your board is

00:09:15

perfect, like here I Perry measured the diodes of

00:09:19

all the field workers, that is they are in good

00:09:23

condition, there is no signal from the controller

00:09:27

that would give permission to open

00:09:32

these

00:09:34

field workers, that is, changing the controller is

00:09:37

problematic; the easiest way to

00:09:40

solder the policies is now and we’ll do it; we’ll take a

00:09:47

wire with a cross-section of 075 will be

00:09:54

enough, that is, thinner is undesirable;

00:09:57

here the current is good, so let’s sing first I

00:10:10

they soldered the ships, perhaps even from here, so

00:10:14

that we don’t have a transistor from

00:10:20

this part of the apayan, but this is it, and I

00:10:32

repeat once again, you need to find the

00:10:35

control leg, the control leg

00:10:39

always goes through such a small

00:10:42

resistance

00:10:43

[music]

00:10:45

only the leading ones, as it were, they are

00:10:48

wide. you see such tracks 1 2

00:10:52

so wide,

00:10:54

it’s difficult to confuse them,

00:10:59

we solder these things when we solder until

00:11:03

I repeat, too, when we work

00:11:08

with a screwdriver, we don’t cut it into a mall, that

00:11:12

is, if you feel you’re working,

00:11:14

you’re working so that the battery doesn’t fail,

00:11:17

you need to, and if you hear that

00:11:25

the screwdriver is already starting to recharge the

00:11:28

battery, you immediately take it and put it on

00:11:31

charge,

00:11:32

don’t irritate it and in the trash it wo

00:11:36

n’t last that long casting they don’t like deep

00:11:43

discharges, they folded everything up and

00:12:16

soldered it all, now we try everything as

00:12:26

you can see the battery is already working and

00:12:35

charging,

00:12:36

that is, charging the battery

00:12:39

is carried out via a different circuit and it

00:12:45

will not affect charging the charging operation

00:12:50

from this action now it’s just

00:12:53

charged,

00:12:54

I’ll cut it and it looks like it will charge like

00:12:59

that, well, it’s discharged a little, you can see the soldering is the

00:13:03

same

00:13:06

battery, we turn on the charging, you see

00:13:14

the charging has started, that is, the battery

00:13:17

is discharged, the controller saw that they

00:13:21

discharged and turns on charging and

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discharged a little, Trishina

00:13:29

will literally charge a little, then

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the indicator will turn on

00:13:36

that it is already charged,

00:13:40

so if your situation is such that you

00:13:47

measure all the banks, it shows normal,

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normal voltage, and one bank,

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one of the banks shows 0, that is,

00:14:05

to start with this let's say a jar, this is the

00:14:11

top masa jar 0,

00:14:13

we take a regular power supply no more than 8

00:14:19

12 volts, I have a 12-volt volt,

00:14:24

we plug it into a socket, we make such

00:14:31

wiring, the

00:14:32

edges also need to look at where the plus is, where

00:14:36

the minus is plus and minus, shown on the

00:14:42

inside, it turns out plus outside,

00:14:46

minus or drive on the tester and take our

00:14:52

jar which has fallen to zero and this

00:15:01

way you can screw it up for

00:15:03

convenience here I can do it wrong on the right with a

00:15:09

minus look minus the flat part

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minus such a convexity this is a plus

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slowly and so

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you can encourage that is 12 volts and if

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you have 12-volt

00:15:28

such short-term you can do such

00:15:36

actions somewhere there for a minute

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and then we measure if you have voltage

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there you need it, it’s just a good jar, for

00:15:57

example, let’s say the voltage rose

00:16:01

there, well, at least two and a half volts

00:16:04

further and further we do this, well, at least up to 3

00:16:07

volts and then raise it and then turn on the

00:16:12

charging and it should be fully

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charged, if 1 bank goes to zero the charging

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also does not work, the electronics will turn it off

00:16:22

because the faulty bank will tell it to

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just turn off, that is, in this way

00:16:28

we simply raise the voltage on jars that are

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deeply planted, it happens that each

00:16:37

jar is, as it were, normal, ideal,

00:16:41

like this very process when each

00:16:48

jar fell,

00:16:49

well, not to 0 1 0 to 2, and then

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we raise each jar in this way to

00:17:02

at least 3 volts

00:17:04

raised raised raised then plugged in the

00:17:07

power supply and charging should

00:17:10

start, that is, for deeply

00:17:14

discharged these cans, this

00:17:18

action can be performed if you have a

00:17:23

can that you want to raise and it is completely at

00:17:27

zero, this

00:17:28

only applies to liteon

00:17:30

and

00:17:31

if it is at zero and these actions does

00:17:36

n’t help at all, but only replacement will help again,

00:17:41

that is, you pick it out and

00:17:45

buy a new one, insert it, if

00:17:49

there is no welding, you can just solder it while

00:17:52

you heat up the soldering iron well and with a quick

00:17:57

movement grab these lamellas and

00:17:59

then it will work, we’ll put

00:18:03

the battery back together, all the batteries are

00:18:17

assembled by

00:18:19

everyone thanks for watching everyone bye

Description:

Ремонт Li-Ion батарей

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