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Makita

Makita BL1850B-2 18V LXT Lithium-Ion 5.0Ah Battery, 2/pk, Black

    • Based on 7,412 reviews
Condition: New
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Availability: Only 4 left in stock, order soon!
Fulfilled by Openstock Home Warehouse
Arrives Saturday, Dec 28
Order within 12 hours and 3 minutes
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Style: 2-Pack


Pattern: Battery


Features

  • Integrated L.E.D. battery charge level indicator allows user to monitor battery charge
  • Provides up to 65% more run time per charge compared to BL1830
  • Reaches full charge in 45 minutes or less
  • Makita BL1850B-2 18V LXT Lithium-Ion 5.0Ah Battery, 2/pk

Description

The Makita 18V LXT Lithium-Ion battery charges faster and works longer than standard lithium-ion batteries, giving you and your cordless tools unmatched performance and productivity to take on the most demanding applications. The Makita 4.0 Ah battery combines more run time (35% more run time per charge than the Makita BL1830 battery) with a category-leading charge time of only 40 minutes, so it spends more time working and less time sitting on the charger. For added convenience, it also features an L.E.D. charge level indicator to monitor battery charge. The 18V LXT 5.0Ah battery (BL1850) is compatible only with star protection tools, indicated by the Star Symbol and/or Yellow Battery Receiver under the tool. Makita 18V Lithium-Ion batteries resist self- discharge so they're ready for use even after long periods of storage. The Makita Rapid Optimum Charger (sold separately) is a smart-charging system that communicates with the battery during the charging process to monitor current, voltage and temperature. This advanced charging technology helps optimize battery life and deliver a faster charge. In addition, the Charger has a built-in fan to cool the battery for faster and more efficient charging, even in hot weather conditions. For improved tool performance and extended battery life, Makita created STAR Protection Computer Controls. STAR Protection is communication technology that allows the tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. Makita, the innovation leader in cordless tool technology, has the world's cordless tool line-up powered by an 18V lithium-ion slide-style battery.

Number of Batteries: 2 Lithium Ion batteries required.


Brand: Makita


Battery Cell Composition: Lithium Ion


Recommended Uses For Product: Vacuum Cleaner


Unit Count: 2.0 Count


Manufacturer: ‎Makita


Part Number: ‎BL1850


Item Weight: ‎1.41 pounds


Product Dimensions: ‎3 x 6.75 x 9.75 inches


Country of Origin: ‎Japan


Item model number: ‎‎BL1850B


Batteries: ‎2 Lithium Ion batteries required.


Is Discontinued By Manufacturer: ‎No


Size: ‎5.0Ah


Color: ‎Black


Style: ‎2-Pack


Material: ‎Plastic


Pattern: ‎Battery


Power Source: ‎battery-powered


Voltage: ‎18 Volts


Item Package Quantity: ‎1


Number Of Pieces: ‎1


Included Components: ‎batteries


Batteries Included?: ‎No


Batteries Required?: ‎No


Battery Cell Type: ‎Lithium Ion


Battery Capacity: ‎5 Amp Hours


Warranty Description: ‎3-year limited warranty


Date First Available: September 3, 2015


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Dec 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Great Battery if You Own All "Star" LXT Tools, Makita Leaves You Some Tough Decisions if Not
Style: 1-Pack Pattern: Battery
I have nothing but nice things to say about this battery. It is almost identical in dimensions and weight to the BL1830's, but adds an additional 2 amp hours of runtime, the battery capacity gauge, and Star protection. The battery capacity gauge works well. Activating it requires depressing a small push-button switch on the back of the battery. This is a plastic "bubble" style magnetic switch found on devices like kitchen timers. This style of switch is not the most durable, and seems to be the weak link in what is otherwise a very well-made product. So far so good, though, so perhaps this will not be an issue over the life of the battery. Star protection is Makita's name for an internal circuit that will not let you overheat the battery, or run the battery down to such a complete state of discharge that it cannot be recharged, which can be an issue with some lithium battery systems, like Makita's own BL1830 batteries. The best feature of this battery over an 1830 is the warranty: 3 years instead of just one. That makes this a pretty reasonable investment for any regular user. Also note that the additional capacity should mean fewer recharge cycles, and thus longer life. While I have nothing but nice things to say about this battery, I do have some less-nice thing to say about Makita. The Star protection is great, but they sold non-Star tools and batteries for a number of years, leaving a lot of customers such as myself with a significant investment in these products. While Star protection is marketed as a feature of the new generation of tools and batteries, a more honest evaluation would be that Makita sold a tool/battery system with a significant design flaw for quite a while. This battery represents what is essentially a totally different battery system. It looks the same, is still called "LXT," and uses the same chargers, but it is physically not compatible with the old tools without warranty-voiding modification. If you have non-Star tools, you can easily take a chisel to the small tab that prevents this battery from mating with them, and this battery will power them just fine. However, this modification definitely voids the tool warranty, and might void the battery warranty as well-- these batteries do contain a memory chip, and I have not been able to find any definitive information on whether or not they log interfacing with a non-Star tool. It also means that the battery will not be protected by the Star circuitry when using that tool. I am currently "playing it safe" and using this battery only with my Star tools. I'm not quite sure what I'll do if my non-Star tools outlast my dwindling BL1830 fleet. As much as I love my Makita tools, unless Makita offers some kind of trade-up program, I have a feeling that the solution might be yellow and black. ... show more
Reviewed in the United States on July 11, 2016 by Jon W.
    • As they should
Style: 2-Pack Pattern: Battery
After a couple of years in advanced homeowner class use, I have put these through the paces for long enough to share opinions. Overpriced, but they do perform. I have an older generation tool set (~ 2007?) and was able to modify them to accept these type batteries. Have had zero issues. Love the longevity and charge meter on the 5.0! ... show more
Reviewed in the United States on July 16, 2024 by Willy Jay
    • Good battery life
Style: 1-Pack Pattern: Battery
Got this as a back up so I can always have one charging and another charged or to use in a second tool without having to change batteries. Works well, charges fast and stays charged for a long period of time.
Reviewed in the United States on June 12, 2024 by Ryan
    • Excellent product
Style: 1-Pack Pattern: Battery
I had purchase knock off batteries for Makita and they failed after a few months and outside of the return window. But the Makita brand batteries have been performing seemly for months now without any fade. The charge lasts about thirty minutes for the leaf blower. Go with the name brand on batteries, they are well worth the price. ... show more
Reviewed in the United States on March 8, 2024 by Meghan
    • Great replacement battery
Style: 2-Pack Pattern: Battery
Uses original charger that came with this old drill. Holds charge much longer.
Reviewed in the United States on September 10, 2024 by Dave K
    • Came quickly, and no damage. Work great
Style: 2-Pack Pattern: Battery
Makita 18 volt batteries came quickly and cheaper than other vendors. Packaging had me a little worried but they were double bagged in bubble wrap envelopes and all was good
Reviewed in the United States on November 19, 2024 by Tom Couch Sr.
    • Typical Makita quality.
Style: 2-Pack Pattern: Battery
I own at least 12 Makita tools including a vacuum cleaner, lawn mower and weed whacker and hand tools. I will never go back to small engine gasoline tools or 2-cyl gasoline, or anything that needs to be plugged in.
Reviewed in the United States on October 8, 2024 by Amazon Customer
    • You can use the BL1850 on older non compatible tools that used the BL1830 battery if...
Style: 2-Pack Pattern: Battery
These batteries will not fit the older tools that have the black battery receiver plate without the star on it unless you file, cut or grind off the wee little tab on the tool receiver plate that keeps the battery from sliding on. I cut it off by hand using a jigsaw blade on 5 of my tools in less than 10 minutes. These older tools used the the BL1830 battery. The older tools had only two contacts instead of three like the newer tools that have the yellow receiver plate with or with out the star or black receiver plate with the star. The extra contact is so the battery and tool can communicate allowing the battery to shut off if the tool is over loaded or the battery is drained past a set point. Running a tool without this communication feature until the battery is dead will shorten battery life. Over loading a tool creates heat that is bad for the tool and battery life. The ideal situation is to use and store the batteries at room temperature as leaving them in your truck with the windows up on a 100 degree day with the windshield facing the sun is not good for them. Heat is bad for the batteries. If you have to lock them up in a situation like this, a cooler bag with an ice pack would help. On the other hand cold temperatures reduce battery capacity and using the battery when it is below 0 Fahrenheit is not ideal for battery life either. There is no memory effect with these batteries so top them off while using them and before storing them is a good idea because storing them in a discharged state is bad for battery life and like I said running the battery until it is dead is also bad. If you are going on an extended vacation have someone charge your batteries at least once every 3 months or risk harming the battery. Do not leave the batteries on the charger for ever. Take them off as soon as you can after they are charged. In the real world you have to get the job done but to the extent that you can follow these rules your batteries will last longer. I have had some BL 1830 batteries last up to 5 years but some didn't make it that long and did I follow my own advise? Not always by any means! So you might wonder why that little tab is on the tool battery receiver plate of some of the tools. It was to keep people from using the little BL1815 batteries on high drain tools. The discharge rate could be too high for the little batteries. I had to tease all this information out of the Makita tech people as there is no way they will advise cutting off the tab on your tool for all the reasons that you could imagine but they had no information as to why it would be a bad idea either which is their way of saying go ahead and do it but we don't want to know about it. All my tools are out of warranty anyway. I have seen several reports of people cutting the tab on their tools and not having any problems with using the BL1850 battery. Just keep in mind that the two electrical connector tools are not talking to the battery like the tools with three connectors so you need to be a little smarter about how you use them if you want to optimize your battery life. Do not drain the battery all the way and do not push the tool especially with a low battery. Some people have said their drills spin faster with this battery or their reciprocating saws have more power than with the BL1830 battery but I think what they are experiencing is as the battery ages and gets near the end of its life the batteries can not provide the same amperage (drain rate) or amp hours (capacity) as when they are new. If you compared the performance of this battery to a new BL1830 in a drill you should see the same rpm and of course a longer run time.You will also see reviews saying the batteries last twice as long or three times as long but again I think these people are comparing well used batteries to new ones. I am going to the charger a lot more often with my older batteries because they do not have the same capacity as when they were new. If you are comparing new batteries you should get 65% more run time as Makita advises. The warranty is now 3 years on the batteries so I imagine Makita has reason to believe the communication feature will improve battery life and that could be one of the reasons why they don't want you to use the battery with tools that do not have the third connector. Enjoy less trips to the charger ... show more
Reviewed in the United States on December 22, 2015 by Robert Starke

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