Tomorrows Tools

  • Makita 4.0 Ah Battery Official Info

  • Makita 4.0 Ah Battery…. its here!

    The big news this month is the release of the Makita 4.0 Ah battery (BL1840) Here at ITS we have worked hard to bring you the all the infomation that you need on this recent addition to Makita’s ever popular LXT 18v power tool range.

    The news that Makita are about the launch a 4Ah Battery to the market is very significant because they are the last of the ‘big boys’ to bring out a 4.0Ah or above battery. Those of you that already own a bucket load of the Makita LXT 3.0 Ah tool range are in luck because these new batteries are compatible with virtually all of the 3.0Ah range.

    Makita 4 ah Battery

    Whats so special?

    If you’re not a Makita fan than you are probably reading this thinking… 4Ah Makita Batteries seriously?!? Dewalt, Bosch and Hitachi Released a 4Ah battery range ages ago and Metabo are looking at new heights with 5.2Ah batteries and above! Well that may be the case but those brands have nowhere near the same number of compatible tools that use the same battery. So when this range gets a facelift, the world sits up and takes note.

    Makita tell us that these new BL1840 4Ah batteries will have a 35% increase in capacity, which is fairly standard when it comes to the leap from 3Ah to 4Ah, most manufacturers banded figures around from 30-38% increase in capacity.

    Charge a  4.0Ah Battery in 36 minutes!

    The main reason we loved the Makita 3Ah batteries wasn’t just because of the HUGE range of tools that it worked with, but also the ground-breaking 22 minute charge time. This massively reduced downtime and allowed the user to get the most of their tools and of their days. Well the same can be said for the new Makita 4.0Ah batteries. Where competitors batteries can take over an hour to fully charge Makita tell us that their new 4Ah batteries will fully charge in 36 minutes which again wins them the battle as they offer high quality capacity and also minimal downtime – letting you crack on with what’s important!

    makita 4.0 ah battery - downtime

    What does it all mean?

    Now it’s important to remember that a greater Ah results in greater capacity! Put bluntly it means that your batteries will last longer on a single charge – and therefore do more jobs. It DOESN’T mean more power!

    With these new Batteries, Makita have launched several fantastic new products that will come with the Makita 4.0Ah batteries such as the DHP480 Cordless Hammer Drill Driver and the DDF480 Cordless Drill Driver so you don’t have to splash out solely on a new battery; you could get 2 batteries and a brand new Drill. They’ll also be launching a couple of 2 piece kits namely the DLX2002M Brushless kit and the DLX2005M.

    Can I use them with my current tools?

    Don’t worry if you already have a number of Makita tools as the vast majority of the 18v Cordless Makita range that uses 3.0Ah batteries will also be compatible with the BL1840 4Ah batteries, with the exceptions of several of the older models.

    makita 4.0 ah battery compatiblity

    So what are your thoughts on Makita launching their 4.0Ah batteries? Let us know by commenting below and remember to share this article with your friends so they can keep up to date with all the latest power tool news.

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    32 comments on “Makita 4.0 Ah Battery Official Info
    1. Phil P says:

      About time,.too! I’ve been asking the Makita reps for bigger batteries for a couple of years, now. There was always the same trite response, “Two 3Ah batteries are better than having 4Ah or karger”…… Not when you need to walk half way across a big site to stick a battery on charge every 20 or 30 minutes they aren’t. Just shows how out of touch with those of us at the sharp end really are. They’ve filed the patents, so how long will it take until we see a 6.0Ah battery?

      • David Jones says:

        Why would you need to charge a battery every 20 or 30 minutes? It’s virtually impossible to drain a battery in that time you bull shitting tosser!

        • George says:

          Then you have never used these batteries on a circular saw or planer… I can drain mine pretty quick under heavy loads. You mins informed cretin.

    2. Joe says:

      Are they still going to shutdown and break with a week of buying them just because you’ve used an sds for more than 5 seconds like the old 3.0

      • terry rolerkite says:

        makita make great tools but their 3.0ah li-ion batteries are absolute rubbish they die prematurely for no reason.I have never abused my batteries and have only one good one left i refuse to buy replacements at makita’s inflated prices,when this last battery dies i will ditch makita for another make most probably bosch and i will never ever buy another makita tool again.Makita have known about this battery problem for years and have done F—all about it.Rant over

    3. Steve Wood says:

      I must be about the only person who’s not had a genuine battery fail. I have eleven batteries, some almost 8 years old and still going strong.

      I have no need for 4Ah batteries. If they’re anything like the DeWalt rubbish, they’ll not last as long as the 3Ah and they’ll overheat too.

    4. Bob says:

      I had most of all my Makita gear nicked, so I had to make a decision on what to buy next.

      I decided to go for Panasonic, trust me, after 30 years in the construction game as a carpenter, these are best tools ever.

    5. Kevin says:

      Dissapointed as only 6months ago I bought the 18v metal cutting circular saw & this new 4amp battery won’t work with it as the battery compartment is only black & doesn’t have a star on it.

      • says:

        hi i had same problem ,There is a small obstruction where battery slides in , I filed this down and battery fits and the circular saw with no star on now works hope this helps.

    6. Martin waller says:

      I’ve had my 3ah batteries all 9 of them for nearly 4 years but now down to 5 . 4 of them have packed up know
      In the last 3 months. So thinking of buying the 4ah but might just go for 3ah .

    7. Dan says:

      Just bought the new BL1840 18v 4.0 can’t seem to get it into my drills though only my workshop torch.Maybe need to file obstruction down like kris did.Any help out there..Thanks Poppa

      • Richard Hughes says:

        Hi Dan, What drills do you have? As far as I know virtually all the drills should take the 4Ah battery just fine!?

        • Dan says:

          Hi Richard thanks for your reply.
          Here is my drill list:-
          LXT BHP454 won’t fit (bought this one mid 2013)
          LXT BHR 202 won’t fit (only bought this one in Jan 2014)
          LXT BTW 450 fits
          LXT BTW 251 fits
          LXT BHP453 fits
          LXT BML185 fits
          Awaiting your reply
          Thanks again Richard
          Cheers Dan

          • Richard Hughes says:

            Hi Dan,
            Where did you get the 454 from? Im not sure that model was released in the UK although i will check for you. However as far as I know the BHR202 should fit it! Again was it purchased in the UK?

    8. BILL D says:

      We install metal duct for air conditioning and all our tools are Makita 18v batteries. We did buy the cheaper Makita batteries coming we think from the US but just didn’t last. There was a lot of small print on the back of these batteries compared to the genuine Makita batteries. However saying that we would be lucky to get 6 month out of these batteries. Trying to find the receipt for these batteries for warranty is a nightmare. When we do the warranty thing we always have to buy a new replacement battery because it always take 14 days turn around. In the last 3 months we have had 3 batteries give up. So we are very interested in the new 4ah battery but the battery better last longer than 3 ah. Bill D, Sydney.

    9. Dan C says:

      Hi, I’ve just bought 3 new BL1840 batteries,
      Circular saw DSS611
      Jigsaw BJV180
      Vacuum DCL180
      And guess what? the new battery won’t fit the jigsaw, which I use a lot as a kitchen fitter. Is there a Makita jigsaw model that the BL1840 battery does fit?
      Thanks guys.

    10. Dan says:

      Just had the flashing green and red heralding the death of my FOURTH makita battery in 3 years. I will be looking to get some 4ah battery IF makita has worked the bugs out. I did however hear that makita are releasing 5ah batteries soon, any news on when?

      • Richard Hughes says:

        Sorry to hear that Dan must be frustrating! Have a look at this article, Might be some useful tips for you:

        The 4Ahs should certainly work better as long as you have newer tools as they have in built cells that communicate with the batteries and will stop them from over heating or dis-charging.

        As for the BL1850 (Makita 5ah batteries) we’ve only just started seeing it mentioned so have no solid infomation on it or any dates for realease yet.

        Hope this helps

    11. Colin says:

      Hi has anyone who has filed down a tool for bl1840 battery to fit experience any problems or should it work just fine?

    12. tom says:

      filed down the battery had no issues what so ever

    13. Mark says:

      Hello fellas. I have been doing construction for 15 years and have had makita tools since 2007.and I’ll share my experience the makita tools themselves are awesome quality but the batteries are rubbish. I have had to go through a least 5 batteries a year. So I have started to switch to metabo 5.2 amp tools and I have never seen power tools this awesome. The fast charging thing of makita is a gimmick with these boys because the batteries last 75 percent longer than makita. So the batteries have ample time to recharge. So goodbye makita…

    14. Trent says:

      So if file the battery so it will work on my non star tools will this cause damage to the tool or battery? Also to confirm it us the battery tab you want to file down correct?

    15. Al says:

      Well iv’e listened to all you blokes and I reckon I will be filing at least 1 battery, what have you got to lose really,
      I give my tools a flogging so it won’t take long to find out

      • MT01rider says:

        There is a small 5mm square plastic protrusion on the body of the tool that stops the battery fitting. Remove this with a sharp wood chisel and everything is okay. Have a 6 piece kit and battery would only fit those without this protrusion and these had yellow contact blocks

    16. Bill says:

      Gday all,
      Just thesame as all you other blokes just file the makita battery carefully and she’s good to go mate, Dont stuff about just do it 🙂 All my entire range of cordless power tools ar Makita
      I have 3 old BHP451 Drills & a grinder or two Model unknown but older ones with the little lug that stops the 4.0amp hr one going in. Better to trim the battery than a host of power tools :0.
      Works in my Saw & Cordless planer. Charged up heaps of times and use them everyday without issue.
      Had Metabo before and changed to Makita with fantastic resultsover the last 15yrs ++. The older genuine batteries went for at least 5 years before a few dropped of the perch.
      Hopetoun Western Australia

    17. Alistair says:

      Can anyone tell me if you can charge the 3ah batteries in the 4ah charger without it damaging them?

      • Richard Hughes says:

        Hi Alistiar – thats fine you will have no issues with different Ah of batteries in different chargers. All 18v Makita chargers are able to charge any Ah of battery with no issues.

        I hope this helps.

    18. Yogesh says:

      The following model will only work only on BL1830/1815 batteries.
      List Makita 18 V product that are NOT COMPATIBLE (37 products):-

      BDF452HW Drill / Driver
      BHP451 Drill / Driver
      BDF451 Drill / Driver
      BGA452 Angle Grinder
      BTP140 Hybrid Impact Hammer Driver Drill
      BTD140 Impact Driver
      BSS610 Circular Saw
      BVR850 Concrete Vibrator
      BHR240 Rotary Hammer
      BJR181 Reciprocating Saw
      BPB180 Portable Band Saw
      BVR450 Concrete Vibrator
      BTD142 18V Compact Lithium-Ion Cordless Impact Driver
      BTW251 18V LXT Lithium-Ion Cordless 1/2″ Impact Wrench
      BJV180 18V LXT Lithium-Ion Cordless Jig Saw
      BSS501 18V LXT Lithium-Ion Cordless 5-3/8″ Circular Trim Saw
      BCS550 18V LXT Lithium-Ion Cordless 5-3/8″ Metal Cutting Saw
      BHP452 18V LXT Lithium-Ion Cordless 1/2″ Hammer Drill-Driver
      BTD141 18V LXT Lithium-Ion Cordless Impact Driver
      BTL061 18V LXT Lithium-Ion Cordless Angle Impact Driver
      BTW450 18V LXT Lithium-Ion 1/2″ Cordless Impact Wrench
      BSS611 18V LXT Lithium-Ion 6-1/2″ Circular Saw
      BJR182 18V LXT Lithium-Ion Reciprocating Saw
      BTW253 18V LXT Lithium-Ion Cordless 3/8″ Impact Wrench
      BJS130 18V LXT Lithium-Ion Cordless 18 Gauge Straight Shear
      BDA350 18V LXT Lithium-Ion Cordless 3/8″ Angle Drill
      BFS450 18V LXT Lithium-Ion Cordless Drywall Screwdriver
      BHR202 18V LXT Lithium-Ion Cordless 7/8″ SDS-Plus Rotary Hammer
      BFR750 18V LXT Lithium-Ion Cordless Autofeed Screwdriver
      BHP454 18V LXT Lithium-Ion Cordless 1/2″ Hammer Driver-Drill
      BDF453 18V 1/2″ Cordless Driver Drill
      BTL063 18V LXT Lithium-Ion Cordless 3/8″ Angle Impact Wrench
      BCS550Z 18V LXT Lithium-Ion Cordless 5-3/8″ Metal Cutting Saw
      BGA452Z 18V LXT Lithium-Ion Cordless 4-1/2″ Cut-Off/Angle Grinder
      BHR202Z 18V LXT Lithium-Ion Cordless 7/8″ Rotary Hammer
      BHR240Z 18V LXT Lithium-Ion Cordless 7/8″ SDS-PLUS Rotary Hammer
      BDA350Z 18V LXT Lithium-Ion Cordless 3/8″ Angle Drill
      BDF451Z Cordless 1/2″ Driver-Drill
      BDF452 Cordless 1/2″ Driver-Drill
      BFR750Z Cordless Autofeed Screwdriver
      BFS450Z Cordless Drywall Screwdriver
      BJR181Z Cordless Recipro Saw
      BTW450Z 18V LXT Lithium-Ion Cordless 1/2″ High Torque Impact Wrench
      BVR450Z 18V LXT Lithium-Ion Cordless 4 Ft. Concrete Vibrator
      BVR850Z 18V LXT Lithium-Ion Cordless 8 Ft. Concrete Vibrator
      BJV180Z 18V LXT Lithium-Ion Cordless Jig Saw
      BPB180Z 18V LXT Lithium-Ion Cordless Portable Band Saw
      BSS610Z 18V LXT Lithium-Ion Cordless 6-1/2″ Circular Saw
      BSS611Z 18V LXT Lithium-Ion Cordless 6-1/2″ Circular Saw
      BTD141Z 18V LXT Lithium-Ion Cordless Impact Driver
      BHR241 Lithium-Ion Cordless Rotary Hammer
      BHR241Z Lithium-Ion Cordless Rotary Hammer
      LXDG01 18V LXT Lithium-Ion Cordless 1/4″ Die Grinder
      LXDG01Z 18V LXT Lithium-Ion Cordless 1/4″ Die Grinder
      LXNJ01Z 18V LXT Lithium-Ion Cordless 16 Gauge Nibbler Tool Only
      XDG01Z 8V LXT Lithium-Ion Cordless 1/4″ Die Grinder
      XWT01Z 18V LXT Lithium-Ion High-Torque Impact Wrench

      • Mike Mckay says:

        Why arent they compatible if they share the lower capacity batteries?

        And how did makita manage to make these tools incompatible with a battery pack that hadnt even been created at the time?

        Is this just another form of forced obsolescence to get people to replace tools more quickly than they should need to?

    19. simon says:

      Hi, I have purchased a new Makita range of tools, and I am struggling to understand why the 5AH batteries are taking up to 3 hours to charge? The charger that came with it is the new DC18RC charger. The spec suggests 45 minutes for a 5AH battery; so why is mine taking so long?

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