2x 18V BL1850B lithium-ion batteries + 6A dual port charger kit (Makita LXT compatible)
Product description
If your 18V cordless kit is starting to feel “tired” mid-job, this type of bundle is meant to fix that. You’re getting two 18V lithium-ion batteries (BL1850B, 5.5Ah) plus a 6A dual port charger designed to work with Makita 14.4V–18V LXT slide-style batteries and chargers in the same family.
On paper, it’s a straightforward value play: more runtime thanks to a second battery, and the ability to charge two packs at once. That said, it’s still a compatible replacement bundle, so it’s worth being careful about whether you’re matching the right battery/charger style for your current system.
The essentials
This kit combines two lithium-ion batteries rated at 18V and 5.5Ah (5,500mAh). The charger is described as a dual-port unit with an output range of 14.4V to 18V for Li-ion, and a charging current of 6A, using a UK plug.
It’s positioned as a replacement bundle compatible with Makita 18V LXT batteries such as BL1830, BL1840, BL1850, BL1860 and others listed in the provided compatibility list. The dual-port charger is also described as compatible with charger models in the DC18RD/DC18RC/DC18RCT/DC18RA/DC18RD family.
In everyday terms, you’re buying it for two reasons: keeping a backup battery ready, and speeding up downtime by charging two packs in parallel.
Where it stands out in day-to-day use
The most practical advantage here is the “two batteries + dual charger” approach. If you’re doing weekend DIY—say, drilling and then switching tasks to sanding or trimming—the second battery reduces the “wait for it to charge” problem. Even with no fancy scheduling, the ability to charge both packs at the same time is the sort of thing you notice the first time you come back to the garage and both are ready.
There’s also a battery chemistry benefit mentioned: lithium-ion with minimal depletion over use and storage, plus no memory effect and “anytime charge”. In other words, you’re not locked into fully discharging before topping up.
Worth noting: it also claims multi-contact terminals designed to help maintain stable current supply to the tool. That’s the kind of detail that can matter for performance consistency, especially if your workload involves frequent starts and heavier cuts.
What to know about charging
The charger spec you have is quite clear: 6A charging current and dual port operation. It’s described as being able to charge two slide-style Li-ion and Ni-MH batteries at the same time. The input is listed as 100 to 260V at 50/60Hz, and the output is 14.4V to 18V for Li-ion.
A useful way to think about it: if you normally charge only one battery at a time, you may feel like the charger “moves faster” simply because you can run the workflow with two packs. The base info also notes that this dual-port design can charge as fast as a DC18RC charger charges one battery—so the comparison is about charging throughput rather than turning this into a miracle fast charger.
Compatibility: the bit you should double-check
This is listed as compatible with a range of Makita 18V LXT batteries (including BL1830, BL1840, BL1850, BL1860 and others named in the compatibility list) and compatible dual port charger models in the DC18RD/DC18RC/DC18RCT/DC18RA/DC18RD group.
However, compatibility can be a little sensitive in cordless ecosystems. It’s not just voltage—it’s also about the battery platform (slide style) and the exact series your tools and original chargers expect. If your current setup uses a different battery form factor or isn’t part of the LXT slide-style family listed, you may want to skip this bundle rather than assume it will fit.
Who it suits (and who should avoid it)
It makes sense if you already own Makita 14.4V–18V LXT cordless tools and want a practical top-up to your battery stash. A bundle like this is especially handy if you do regular tasks across days—cutting, drilling, and general DIY—where one battery can disappear quicker than expected.
It may not be the best match if you’re extremely focused on using only original equipment branding, or if your tools/charger are outside the compatibility list provided. Also, if you rarely need more than one battery and you don’t mind occasional downtime, buying only a single replacement battery (instead of a two-battery kit plus charger) could be more economical.
Key specs (as provided)
- Battery type: Lithium-Ion
- Voltage: 18V
- Capacity: 5500mAh / 5.5Ah
- Included: 2 x 5500mAh replacement batteries
- Charger input: 100 ~ 260V 50/60Hz
- Charger output: 14.4V~18V (Li-Ion)
- Charging current: 6A
- Charger: UK plug
Buying verdict
It’s a decent “keep your cordless work moving” bundle if you want two 18V 5.5Ah packs and a dual-port charger that can top up both batteries at the same time. The lithium-ion behaviour (no memory effect and anytime charging) and the stated 6A charge rate make it a sensible choice for routine DIY and light-to-medium work where you don’t want long gaps between sessions.
It’s not the safest pick if you’re unsure your existing Makita tool and charging setup matches the slide-style LXT batteries and the DC18RD/DC18RC-type charger family listed. In that situation, compatibility checking is the difference between a smooth purchase and a frustrating one.
Mini FAQ
Is this kit only for Makita tools?
It’s described as compatible with Makita 14.4V–18V LXT slide-style batteries and compatible DC18RD/DC18RC/DC18RCT/DC18RA/DC18RD charger family models listed in the details.
Can it charge two batteries at once?
Yes. The charger is described as a dual-port unit able to charge two slide-style Li-ion and Ni-MH batteries at the same time.
Do the batteries have a memory effect?
The information provided says there is no memory effect, and that you can charge “anytime”.
What capacity do the batteries have?
Each battery is listed as 5500mAh (5.5Ah).
Is it a fast charger?
It’s specified as a 6A charger, and it’s described as charging as fast as a DC18RC charges one battery (when looking at the throughput comparison mentioned in the details).