








⚡ Power up faster, work smarter, and never miss a beat!
The Makita BL1840B-2 is a twin pack of 18V LXT Lithium-Ion 4.0Ah batteries featuring 35% more runtime than previous models, a rapid 40-minute full charge, and an integrated LED charge indicator. Compatible exclusively with Makita Star Protection tools, these batteries incorporate advanced communication technology to protect against overload, overheating, and over-discharge, ensuring peak performance and extended battery life for demanding professional use.










| Amperage | 4 Amps |
| Antenna Location | Power Tool |
| Asin | B015PVD9OC |
| Battery Capacity | 4 |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 1360.78 Grams |
| Brand | Makita |
| Compatible Phone Models | XFD10 XDT13 XPH14 XFD13 |
| Customer Reviews | 4.7 4.7 out of 5 stars (452) 4.7 out of 5 stars |
| Global Trade Identification Number | 00088381463904 |
| Included Components | (2) 18V LXT® Lithium-Ion 4.0Ah Battery |
| Item Dimensions | 7.6 x 17.1 x 24.8 centimeters |
| Item Weight | 0.31 Pounds |
| Manufacturer | Makita |
| Model Name | Lithium battery |
| Model Number | BL1840B-2 |
| Number Of Batteries | 2 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 2 Count |
| Upc | 712714384191 088381463904 |
| Voltage | 120 |
User
Makita batteries seem more expensive than pretty much any other brand or device but I think ...
Makita batteries seem more expensive than pretty much any other brand or device but I think you get what you pay for. I have never had an issue with these or any Makita branded batteries. They charge very fast and last long enough to charge up the other one (depending on the device you are powering.) The 4.0Ah version is the same size and weighs as much as the 3.0Ah as far as I can tell, only difference is of course longer run time and longer charge time. I like the inbuilt power indicator which my old ones do not have. At this point I've got 4 Makita batteries so I might not need more until one of these dies or fails to hold a charge. Like I said, the quality and track record has been top notch so I don't expect I'll have to get more any time soon.
User
Won’t fit older non star rated tools
I bought these to use as a back up for a new battery powered chop saw, along with be my primary batteries for my little used 6” circular saw. Turns out they didn’t for the latter. The saw didn’t have the star emblem under the base, so these didn’t fit........or did they? Upon some internet searching, checking them in other tools, and comparing them to batteries that fit, the reason they didn’t fit was an extra tab on the battery that prohibited their full insertion into non star tools. Let’s just say removing that tab was easy as pie and now they work where I wanted them to work. I also am sure I voided their warranty. The reason for the tab it to keep them from being used in tools that will discharge them too quickly, causing them to get hot (when used for extended times, not my usage) and therefore damaging the longevity of the batteries. Still a great deal, and I’d do it again if I needed batteries. They are exactly what they were meant to be. Don’t take my misuse as a promotional for doing the same......wink.
User
Great Product
I initially ordered the wrong battery replacement for my Mikita drills. After Amazon and the sell did a great job helping me get the right batteries, I received the items as promised. This is the second time I have ordered these batteries for replacements. I am a avid DIYer and used these batteries extensively. They are durable and hold a charge really really well! The life of the batteries lasted as long as I expected. These are great batteries, but are a little pricey. Great product and I would highly recommend these as replacements!
User
They work
I have a drill and an impact drill. Batteries work and charge fast. Very easy to attach and detach. They are only used for household maintenance. The batteries are new so I have no information of longevity.
User
Oem
With so many knock off products being peddled, these are the real Makita products.
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