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  • Makita BL1830-2 18-Volt 3.0 AH Battery, 2-Pack
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Makita BL1830-2 18-Volt 3.0 AH Battery, 2-Pack

by Makita
| 20 answered questions

List Price: $300.00
Price: $127.50 & FREE Shipping. Details
You Save: $172.50 (58%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
2 Pack
  • Charging at any time will have no effect on the battery
  • More power, less weight, and a better fit
  • Sixteen firm holding contact terminals reduce the risk of power loss/fluctuation
  • Built-in shock-absorber and memory chip
  • One-year limited warranty
See more product details
5 new 11 used from $92.99 2 refurbished from $166.99
Special Shipping Information: Due to federal and international regulations, this product can only be shipped within the 50 states.


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Frequently Bought Together

Makita BL1830-2 18-Volt 3.0 AH Battery, 2-Pack + Makita DC18RC 18V Lithium-Ion Rapid Optimum Charger
Price for both: $208.49

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Special Offers and Product Promotions

Style: 2 Pack
  • Warranty Offer: Select Makita power tools shipped from and sold by Amazon.com are covered by a one-year manufacturer's limited warranty. Please see the full Makita warranty for more details.

  • Get a $100 Amazon.com Gift Card: Get the Discover it chrome card and get a $100.00 Amazon.com Gift Card* after your first purchase within 3 months. Learn more.

Product Information

Style Name: 2 Pack
Technical Details
Part Number BL18302
Item Weight1.3 pounds
Product Dimensions6.5 x 3 x 9.8 inches
OriginJapan
Item model numberBL1830-2
Batteries:2 Lithium ion batteries required.
Sizefull size
ColorBLACK
Style2 Pack
Voltage18 volts
Item Package Quantity1
Battery Cell TypeLithium Ion
Warranty DescriptionYes
  
Additional Information
ASINB000EDRT70
Best Sellers Rank #188 in Home Improvement (See top 100)
Shipping Weight4 pounds (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S.
Date First AvailableJuly 2, 2004
  
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Product Description

Style: 2 Pack

Amazon.com

The Makita LXT 18-Volt 3-Ah Lithium-Ion Battery boasts more power, less weight, and a better fit. The optimum charging system produces 280 percent the total lifetime of standard batteries, with twice the number of cycles. With a five times lower self-discharge, this lithium-ion battery is ready for use, even after long periods of storage. Built-in features include shock-absorbing to protect the battery and a memory chip that communicates with the charger to maximize battery life using three active controls: current, voltage and thermal. Sixteen firm holding contact terminals reduce the risk of power loss/fluctuation in high-vibration work environments. This battery comes with a 1-year limited warranty.

Important Information

Bulb Voltage
18.00 Volts

Customer Questions & Answers

Customer Reviews

So they each lasted about one year each.
RJ
Makita products are some of the best tools you can buy.
Mark S. Pomerinke
This battery lasts a long time and charges fast.
Michael Stewart

Most Helpful Customer Reviews

251 of 269 people found the following review helpful By Opti Mystic on October 21, 2011
Style Name: 2 Pack
I love these batteries and the tools they power. They deliver more energy than my other brand 18 volt tools. The Makita smart charger charges them in 20 minutes. Wow, great battery! I should be happy, right? Partly I am, but partly I'm not. I am concerned about the huge number of premature failures people are reporting here and in the single BL1830 battery reviews. There's a problem and Makita is ignoring it.

I did a lot of research on the net about this. My conclusion: this battery has design flaw that shuts down these batteries prematurely. It won't happen to everyone, but if the battery sits discharged for a long time, it's very likely to happen.

Background: Lithium batteries can burn or explode if abused. They need monitoring, for safety reasons. So like everyone, Makita put in a smart control board in the battery pack. The control board monitors charging voltage, current, battery temperature, number of charges, and remembers all that. Sounds good, right? But.. there is a design bug. The battery control board draws power only from the first cell of the 5 cells in the battery. If you leave it sitting for a while, the control board will discharge that first cell to zero, while the others remain charged. To the control board or possibly the charger, that looks like a shorted cell, which could overheat, and the control board remembers it. If you try to charge it 3 times with an apparently deep discharged cell, sudden death! The control board tells the charger that the battery is unsafe to charge, and prevents charging in the Makita charger -- permanently.

The key evidence is the apparent dead cell is usually that first cell, the one that powers the control board. Very likely the battery is still usable.
Read more ›
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208 of 225 people found the following review helpful By F64 on September 8, 2011
Style Name: 2 Pack
There is an intelligent circuit board inside the pack that needs to be powered, and it draws its power from the very cells it is monitoring.

The basic design flaw is that the circuit is wired to be powered by only one of the many cells in the pack. The board draws a constant although small current from that single cell. If the battery is not used for a few weeks then that cell will deep discharge causing a weak link in the bank of cells, the pack then fails in the charger.

Makita has programmed the circuitry so that if you try to charge the battery 3 times in this state, it will permanently disable it. Normal behavior is to think "why is it not charging, let me try again". If more than 1 year old, it is out of warranty.

Makita should step up, redesign the battery, and offer on their website to replace any batteries which have not been abused with the new design.

I would not buy any more Makita tools powered by this battery.
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112 of 119 people found the following review helpful By Eric O. on September 21, 2010
Style Name: 1 Pack
I have owned a set of Makita tools with the LXT batteries for a couple years now and I have noticed absolutely zero power loss or any other problems. I use them quite regularly whether building concrete forms, decks, remodels, etc. I can think of three things that may be happening to the batteries of those who have commented on bad performance or longevity; (1) Occasionally, batteries can be bad from the factory (I have yet to own a milwaukee tool with the new "V" or "M" series battery that holds up past a few months. I have both V28 and M12, and have had ALL packs replaced) (2) It is possible to have a bad charger which is damaging the batteries itself, or (3) Perhaps the users are taking them all the way to the point of stalling and complete discharge, and for that the batteries are truly not made to do. It is best that once you notice the battery pack is wearing down, to grab a fresh one and put the discharged on the charger to cool down and refresh. Also, if the batteries are being stored for most of their life, it is best to keep the charger plugged in and rotate batteries through it to keep everything active and refreshed. Lithium batteries have computer chips and sophisticated circuitry, allowing them to constantly be charged without damage. Ni-Cad on the other hand are not supposed to be charged over and over again because they typically have memory effects and lifetime charging limits. It is best to mostly, not completely, discharge a Ni-Cad before replacing back onto the charger. Because a consumer only has ultimate control of this last variable, it is a good idea to read the owners manual and find out what the manufacturer thinks is best operating practices.Read more ›
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204 of 222 people found the following review helpful By BadApple on January 8, 2012
Style Name: 1 Pack
These batteries have a design defect that will kill them prematurely and a 'feature' that will force you to buy another.
There is internal circuit to control charge and count how many times it has charged or failed charging. This circuit is powered off a couple cells only, so if you leave without use too long those cells will zero out while the remaining are fully charged. This will cause a fail charging, and while it could be recoverable (if not too deep discharged) the scheme of a 'smart battery' (should we call it a scam?) prevents it from charging on the 'smart charger' and you are out $100 for a new one.

It is another 'evil marketing' ploy where someone at Makita (formerly known for excellent products) convinced that they could make a lot more money selling a battery a year than one tool every ten.

After buying and disassembling a new battery (11/2011 vintage) it proves they were indeed in bad faith. he battery circuit is now redesigned, gets wired to all steps in the cell (perhaps just to alternate which one to draw power from, perhaps to further reject batteries - to be seen). Another suspicious move is that they added a white plastick 'seal' covering one of the screws (easily replaced with a white gift card portion punched on a paper puncher). Mechanical changes were also made inside the battery pack so the new cells and circuit will not fit inside the old one without cutting some plastic portions.

Yet to be seen is if the new model will also die prematurely or if they fired Dr. Evil Sales and good engineering triumphed. Stay tuned...
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