Makita BL1840 18V 4.0Ah Li-Ion Battery Product Code: 19371

The Makita BL1840 18V 4.0Ah Li-ion battery is an efficient and long lasting power pack that is the same weight as its 3Ah equivalent. It's durable, comes in a shock-absorbing pack and won't overheat during long jobs. The battery easily fits all compatible Makita power tools thanks to a simple, secure slide-in mechanism and it can be charged to full power in just 36 minutes. It won’t self-discharge when kept in storage for a long time either, so it's ready to go as soon as you are.


  • 36min Charge Time


4.0Ah. 18V.
Additional Information
Technical Specification
  • Brand : Makita
  • Product Type : Battery
  • Model No : BL1840
  • Pack Size : 1
  • Battery Chemistry : Li-Ion
  • Battery Power : 4.0 Ah
  • Power Voltage Supply : 18 V
  • Carry Case/Bag Included : No
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

Free delivery on all orders over €70.00

Click here to see information on our delivery service



Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


Click here to see information on returns and cancellation

€101.95 Incl. 23% VAT

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Makita BL1840 18V 4.0Ah Li-Ion Battery is rated 4.5 out of 5 by 39.
Rated 5 out of 5 by from Best thing ever Have 7 of these now powering all my makita tools. They are a bit expensive to buy but the price is well justified. If you are using cordless drills/ cordless sds drills all day they a brilliant with there unbeatable 36 min charge time. So as ones on charge you can be using another one. Normally when ones charged the one being used runs out of power.
Date published: 2016-05-25
Rated 5 out of 5 by from Excellent very good batteries , hold there charge and last for years all in all very good battery
Date published: 2016-05-25
Rated 4 out of 5 by from It's a battery.... It's a battery, It works! What more can you ask for??
Date published: 2016-05-21
Rated 5 out of 5 by from Makita never let you down Makita what can you say! All my battery tools are makita. The 4 .0 Ah battery just gives you more juice to carryout those demanding jobs. Especially good with my makita SDS drill i have had faultless use all day with one fully charged battery. Makita will always get my vote.
Date published: 2016-04-01
Rated 5 out of 5 by from Makita 4ah Makita used to get abit of aggro about their batteries but these are about the best ones on the market. I have five of these and one 5ah. My oppo has dewalt and also 4ah and depending on what we are doing he charges 2 to my 1.
Date published: 2016-02-22
Rated 1 out of 5 by from Doesn't fit my makita I have just bought this product. It only fits one of my tools. My drills and grinder use the 3ah batteries and have the star on them. I bought into makita so I could use the same batteries,now I am stuck with old tech. Not at all happy.
Date published: 2015-12-10
Rated 5 out of 5 by from Battery Needed spare one and this was a great price screw fix is in all towns now so it's very easy to buy tools and parts
Date published: 2015-12-08
Rated 5 out of 5 by from Makita 4 amp Hour battery Great battery and deal of the day discount, what more could you want!
Date published: 2015-12-08
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