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Makita BL1830-2 18-Volt 3... has been added to your Cart
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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
517 customer reviews
| 34 answered questions

List Price: $300.00
Price: $169.00 & FREE Shipping. Details
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In Stock.
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  • 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
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4 new from $169.00 21 used from $77.50 1 refurbished from $145.48
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 + Makita XLC02ZW  18V Compact Vacuum (Bare Tool, Tool Only)
Price for all three: $325.99

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Product Description

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.


Product Information

Technical Details
Part Number BL18302
Item Weight1.3 pounds
Product Dimensions6.5 x 3 x 9.8 inches
OriginJapan
Item model numberBL1830-2
Batteries:1 Lithium ion batteries required.
Sizefull size
ColorBLACK
Style2 Pack
Voltage18 volts
Item Package Quantity1
Battery Cell TypeLithium Ion
Warranty DescriptionYes
  
Technical Specification
  • Product Warranty: For warranty information about this product, please click here [PDF]
Additional Information
ASINB000EDRT70
Best Sellers Rank #1,994 in Home Improvement (See top 100)
Shipping Weight4 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableJuly 2, 2004
  
Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF]
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Important Information

Bulb Voltage
18.00 Volts

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

339 of 365 people found the following review helpful By Opti Mystic on October 21, 2011
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.
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250 of 269 people found the following review helpful By F64 on September 8, 2011
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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73 of 79 people found the following review helpful By A. V. Kuksenko on March 27, 2013
Many have claimed that the Makita batteries fail prematurely, and I believe them I have had an old battery from 09 fail on me too. BUT the batteries HAVE BEEN UPDATED check your battery for a little star drawing on it. If your battery has this then you have the updated version which reads information from ALL of the cells instead of just one. There is a video where a Makita representative talks with toolstop about this new update. Look up "Makita 4AH Li-on Batteries- Why go bigger when you can go smarter."

My battery that failed did not have this star picture on it. I have 9 other batteries that do and none of them have failed and 2 of them I bought on craigslist that look heavily used. I have been using Makita for years and have purchased a whole lot of tools from them in the last 6 months I have applied moderate use and take good care of them. These batteries have some of the best energy densities. They are light durable and charge in 22 minutes.

There is a ton of safety features that prevent the tool from ruining cells and the motor. I am not guaranteeing that these batteries last forever, but I expect you shouldn't have problems for atleast 5 years. These batteries can power 60 tools, no other manufacturer has that many tools for one battery. I personally wish Bosch had such a variety, but Makita has showed me they are worthy. So before you purchase or decide not to make sure you do your research, these tools are definitely over priced but considering the wide variety of tools you actually SAVE money when you need that special tool because you can just buy the bare tool for 1/2 price vs. buying a whole new kit.

So....
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113 of 125 people found the following review helpful By RJ on October 26, 2011
Verified Purchase
There appears to be a serious design flaw with these batteries that can be researched on the net. The result is you may only get 1 year of use from these batteries. I have about $1000 of the LXT tool line. These are good tools who's value IMHO is seriously diminished because of a battery design fault. I purchased these tools about 1.5 years ago with one battery. I purchased a second battery about 1 year ago. They were lightly used for weekend projects and I stored them indoors and charged. One battery died in February and the other died in July. So they each lasted about one year each. I'm shocked! I purchased the Makita cordless line because I still have a 21 year old 12v Makita cordless drill that works like the day I got it. Two years ago I took apart our 12x20ft deck, refinished it and reassembled it with the 12v drill. I managed to reassemble about 95% of the deck on one battery charge!! amazing! I still have it and it still works great with the original batteries that are almost 22 years old now. So, I decided to go with Makita LXT line when I wanted to upgrade to more cordless tools. However, I use and store the new tools the same as the old tool and the new batteries both died in about 1 year. Many others are reporting this problem. The LXT line are good tools with lots of variety but I'd SERIOUSLY think before investing in these tools due to the defective batteries. They failed when I really needed them and am basically stuck spending serious money as they fail to keep using the tools I have. Makita - you really screwed up.
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Makita BL1830-2 18-Volt 3.0 AH Battery, 2-Pack
This item: Makita BL1830-2 18-Volt 3.0 AH Battery, 2-Pack
Price: $169.00
Ships from and sold by Amazon.com