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Makita 5090d will not start

Battery good, will not start

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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...

2 Answers

Makita battery


Check that you have the correct battery in the charger as the charger will not charge any type of battery, only the battery type listed on the panel.

May 06, 2013 | Electronics - Others

1 Answer

Cannot get saw blade off a makita 5090d saw.


Lift the guard and clamp the blade in a vice using a pair of soft jaws and then undo the bolt.

Jun 10, 2012 | Makita 5090d 96v Cordless Trim Circular...

1 Answer

My Makita cordless angle grinder (new, used once) BGA452 wont go, it starts then the overload light comes on and it stops? changed battery, still happens.


Obviously too late for you, but it may help others.
I had the same problem with a new Makita 18v lithium grinder and this worked.

Remove battery, remove brushes. Using good quality cotton buds, dip in Methalated spirit and insert into hole for brush down to armature, slowly rotate head of machine. Change cotton bud and repeat process, then clean the brush heads. Re-assemble and try. Note: Meths will dry completely leaving no residue, unlike turps etc.

Jul 16, 2011 | Makita Bga452 Lxt 18v Liion Cordless Angle...

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...

4 Answers

Can my makita bl1830 battery be repaired if it does not hold charge anymore


This battery has a known design defect that causes premature failure. The battery is still probably good, but the safety circuit n the battery spuriously locks it, due to a bug. Once locked, it won't charge in the Makita charger (flashing red and green lights). Makita knows about this problem but so far is not actively recalling the batteries. Makita will replace the pack if the charge count is under 150 (some people say 300?) regardless of warranty status, but you have to take or mail it to a Makita Service Center -- the dealers won't handle this unless it's in warranty.
http://www.makita.com/en-us/Modules/Service/ServiceCenters.aspx

If Makita won't fix it, you can try to repair it. If the red and green lights are flashing, the battery is probably locked and cannot be repaired in a way that will let it be charged in the Makita charger (but it can be charged in off brand chargers). Buy a clone charger on eBay for $60 and try it. If it charges, just use it, no repair needed.

Be aware that lithium batteries do lose capacity permanently at a rate of about 20% per year. So, 3-6 years is about the best battery life you can expect - from date of manufacture, so if it sat in the store a while that adds. Makita derates the cells to allow for some shelf life (down from 2400 Mah to 1500 Mah rating).

If the battery is weak, and only gives brief usage, you can replace some of or all of the cells in the battery. These are expensive and worth repairing. See this video:
http://www.youtube.com/watch?v=Z5taguEdlkY

If just 1 or 2 cells are weak, you can replace them with the same Sony 18650 size 2400 Mah capacity battery, green sleeve. The Sony's are not sold retail, and are hard to find other than from another Makita pack or from some laptop packs. If more are weak, you're better off just replacing all of them with new 18650 2400 Mah (or higher) batteries with tabs. Look for Tenergy or other quality brand.

Hope that helps.

Nov 02, 2010 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

2 Answers

Is it possible to replace the batteries in a 12v makita battery pack


Unfortunately there are no repairable parts in a battery. Once a battery is dead it's usually best to find a good recycling center for it, most The Home Depot's have one. Makita lists battery 1234 (Part #193157-5) for this tool but it's the old Ni-MH battery. I'd use battery 1222 (Part #192598-2), it's the better Ni-Cd battery.

May 19, 2010 | Makita 12V Cordless Impact Driver -...

1 Answer

My makita 18v 2.0 battery won't keep a charge makita 2.0AH battery showing charged on charger loses charge as soon as i start drilling


It appears that your battery is worn out. They will charge, but miminally. If it is a nickle cad battery, and relatively new, you may have a memory problem. Try draining the battery completely several times and recharging each time. Be sure the battery is completely dead before recharging.

Jan 26, 2009 | Makita BHR200SAE Cordless Rotary Hammer

1 Answer

Battery charger just flashes to say the battery has to cool down but will not start charging.tried another charger same thing happens but does not show that the batteries are faulty!


Unfortunately, Makita’s li-ion battery packs have a design flaw. After having the same problem with my two batteries, I took it apart and saw the problem immediately. You see each battery pack has ten li-ion battery cells and a circuit board with a memory chip witch holds the charging history of the battery pack. But that memory chip constantly draws power from 2 of the 10 batteries. The current it draws is very small but if you consider it over 6 month or more, the power drain becomes very significant. You end up with a battery pack with 8 still fully charged battery cells and 2 drained battery cells. When you put this battery pack in the charger, it detects weak battery cells, assumes they are defective and refuses to charge. To avoid this problem you should charge your battery pack often, even if you haven't used it, every two months should be ok.
I suspect that Makita doesn’t make these battery packs, they make power tools, good ones too. But Makita should definitely have a few words with their supplier before they become a liability!

Jul 03, 2008 | Makita Tools 18V 1/2" Lxt Lithium - Ion...

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