Question about Makita 2 Bl1830 18v Battery,dc18ra Charger Lxt Fr Drill

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Makita 18v lithium ion battery faults

Makita BL1830 18v lithium ion batteries fail to charge.

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 9 Answers

SOURCE: Makita 18v Lithium-Ion BL1830 Battery Won't Charge

If you have been a bad boy and managed to short the battery by using it for non-proscribed purposes, the fusible link will blow (kind of like a fuse) To fix it, open up the battery (use a Torx 10 security bit, or a small flathead in a pinch) On the battery connection nearest the spring-loaded white catch there is a small bridge of metal with a hole in the center. If this is melted you can solder it back together by sanding the two pieces and putting a glob of solder on them. This will void your warranty (duh!) and remove the battery's fuse protection, but it WILL work again. If the link is intact and nothing else is obviously wrong, you almost certainly have a bad cell. I recommend pulling out the bad cell ( it will be the one that does not read between 2.5 - 4 vdc) and replacing it with one from another dud battery- this requires some fudging and re-soldering. Or do what I did, pull the cell, toss the electronics and the short pink wire, add a cigarette lighter socket and voila! you have a portable power supply giving around 14 volts. Charge it up by wiring two cigarette lighter male ends together (check polarity , + to + and - to -) and plug it into your car, but only while it is running or you will be charging your car battery with it! Hope that helps.
Matt Binns GiantGlobes.com

Posted on Aug 18, 2009

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SOURCE: I have a li-ion Makita BL1830 18V 3.0Ah battery

Sorry Mate your battery is dead...
The makita lithium batterys dont like getting worked hard quickly.
There is a chip in them that recognice each battery to each specific charger. Try another charger. This has not worked for me. Try anyway

Posted on Nov 27, 2009

  • 1 Answer

SOURCE: MAKITA LXT BL1830 18V LITHIUM-ION 3.0AH BATTERY

can you get makita lithium batteries repaired ive got 5 nd 3 have stopped working they re only just over 0ne year old?

Posted on Jan 13, 2011

rowdy45176
  • 2176 Answers

SOURCE: One question please, I have makita cordlless

according to the schematic I saw yes you can and I think that you will be pleased with its performance, their operator manual even lists the weight of tool with this battery. Makita has a 1 year limited warranty on the Li-Ion battery that you might want to consider if you have the receipt.

Posted on May 12, 2011

Testimonial: "thanks"

  • 11 Answers

SOURCE: MAKITA LXT BL1830 18V LITHIUM-ION 3.0AH BATTERY

If the charge count on the batteries is under 300, Makita will replace them. Makita has a known defect in this battery that causes the battery to shut down before it is dead. So as of now they are exchanging ones with low use.

If they are truly defective and makita won't replace, you have to open them, find the dead cell or blown fuse, and replace. Search youtube makita battery for a video on repairing this battery. But once the red and green lights on the charger flash, the the battery can't be charged on a Makita charger -- it's been locked. So use a third party charger.

Posted on Oct 23, 2011

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1 Answer

Can you fix a lithium battery?


The Makita 18V LXT Lithium - Ion Cordless Impact Driver Kit Model BTD140 us the BL1830 battery, there are several types for it, 1.5Ah, 3.0Ah, 4.0 Ah. Maybe 5.0Ah battery for it will be available. And, the inside of the BL1830 uses the 18650 battery cell. If you have a good knowledge and skill about electronic, you can buy some 18650 cell to do it yourself. If not, I suggest you to buy a brand new one.

You can buy some original battery for replacement battery for Makita BTD140 Battery

Jun 09, 2014 | Makita 18V LXT Lithium - Ion Cordless...

1 Answer

Why will a makita Li-ion 1.3ah battery not fit in other makita tools?


Some of the Makita 18v LXT tools require the BL1830 3.0AH battery and are designed that the 1.5AH battery will not fit.

Jan 12, 2013 | Makita 18V LXT Lithium - Ion Cordless...

2 Answers

One question please, I have makita cordlless


according to the schematic I saw yes you can and I think that you will be pleased with its performance, their operator manual even lists the weight of tool with this battery. Makita has a 1 year limited warranty on the Li-Ion battery that you might want to consider if you have the receipt.

May 11, 2011 | Makita 18V LXT Lithium - Ion Cordless...

2 Answers

Hi, I have repaired 3 Makita 18V 3Ah Li-Ion batteries recently by removing good cells from other faulty batteries. The Voltages are good now on all 3 and they charge/discharge OK on my own charger but...


Some manufacturers put some chip on their battery so it can be identified by their charger. If you use a generic battery often, it will not charge or work properly. LG does this with their phone batteries! So you have to use another charger to charge them.

Jul 07, 2017 | Makita Drills

4 Answers

Hi both red and green lights are flashing and it wont charge battery bl1830 lith ion


If both lights are flashing it means the battery is defective so it won't charge it. By defective it could mean the battery is just worn out or there may be a short in the battery. If the battery is under warranty you can get it replaced at a Makita Service Center, if not you have to buy a new battery.

Sep 13, 2010 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

3 Answers

MAKITA LXT BL1830 18V LITHIUM-ION 3.0AH BATTERY


If the charge count on the batteries is under 300, Makita will replace them. Makita has a known defect in this battery that causes the battery to shut down before it is dead. So as of now they are exchanging ones with low use.

If they are truly defective and makita won't replace, you have to open them, find the dead cell or blown fuse, and replace. Search youtube makita battery for a video on repairing this battery. But once the red and green lights on the charger flash, the the battery can't be charged on a Makita charger -- it's been locked. So use a third party charger.

Apr 18, 2010 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

1 Answer

Makita lithium ion battery wont charge


does it have green blinking light when you plug it to mains w/o battery in it ?

Apr 06, 2010 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

1 Answer

I have a li-ion Makita BL1830 18V 3.0Ah battery that can't be charged...when on the charger the bottom two lights flash red..it will charge my other battery, so it doesn't seem to be the charger


Sorry Mate your battery is dead...
The makita lithium batterys dont like getting worked hard quickly.
There is a chip in them that recognice each battery to each specific charger. Try another charger. This has not worked for me. Try anyway

Nov 01, 2009 | Makita Tools 18V 1/2" Lxt Lithium - Ion...

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