Makita BL1830 18V 3Ah battery recovery repair changing mainboard I Handyman

Makita BL1830 18V 3Ah battery recovery repair changing mainboard I Handyman

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The customer asked to change the controller board for Makita 18V li-ion batteries and I decided to make a video about that.

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[jrgal]

this one goes here this one goes here and here and here haha

[scottbaker]

Were the cells still all good? that would be equal and 3.2v to 4.0v each? You replaced a new balancing circuit card with an older card that just shuts off when the #1 cell voltage gets low.
that was considered good enough in the past, modern battery packs have more stuff like cycle and error counters to prevent it from ever turning on again after several faults.

[thenicoricis]

Can you help me with a link, please? I can not finde it to buy on Ebay and AliExpres. Thanks

[hackmate-x]

My charger I pass it to lithium batteries has 15v and 2Ah when I connect it directly it starts only a few thousandths of a second and stops, you can give me an idea of what the motor of my wireless drill has?

[БорисГригорьев-фо]

Неплохо было бы показать какой заряд на элементах, нужна ли балансировка

[thxmateoli]

Can this same circuit board be used on the 4 and 5 amp batteries?

[arisorvari]

Hmm. Interesting. If I watch right, that 4V wire goes this time to the same plate than negative wire. So, can those PCB's work without that 4V?
I recommend that, if someone use these old style PCB's, then is might vice use also separated balancer board. Battery keeps much longer a better shape. And when open battery pack, it would be also vice to measure a cell's voltages at the same time.

[alexd]

Es wäre auch nicht schlecht zuerst die Batterien zu prüfen bevor man die Platine austauscht!

[combrogi]

I've got no patience for this shit, I would have smashed it up with a hammer after the first two minutes! 🔨😜

[NikoRX]

Ремонт этот называется "А-а-а, и так сойдёт!"

[andig]

Ich mag ja das Video aber Deutscher Titel und dann Englischer
Ton ist echt nicht was ich mir wünsche.

[petert]

Why have you made this video. Here, blue here, brown here, here here here. Those are not here wires, they are for the cells balancing circuit which your new board does not have. You need to study some basic electrics and electronics broski.

[СергейСеменченко-хъ]

Оригинальный контроллер на китайское барахло поменять, тем более не лучшего качества. Ну даже не знаю, на сколько его хватит...

[ktamen]

Makita engineers are fools, they put wires, and the Chinese board obviously works without them. A very useful video, I will already know that I never to use non-original PCB boards, because the two excess wires are very important for controlling charging and discharging the battery. Without them there is a real risk of an explosion, even if it does not explode, the battery will have a very short life due to incorrect charging and discharging.
Инженерите от Макита са тъпаци, сложили са излишни жици, а китайската платка очевидно работи и без тях. Много полезно видео, вече ще знам, че никога не трябва да използвам неоригинални платки за батерии, защото двете излишни жици са много важни за контрола на зареждането и разреждането на батерията. Без тях има реален риск от взрив, дори да не се взриви, батерията ще има много кратък живот, заради неправилното зареждане и разреждане.

[lupojacobo]

Does f.... gloves drive me crazy. No like your gonna get infected with fixing batteries