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Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2

Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2

4.6(5 ratings)

Best price now

$135.00at eBayVerified

27% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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Our take on the Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2

This starter pack pairs one Makita 18V LXT 4.0Ah lithium-ion battery with the Rapid Optimum Charger, the entry point into Makita's 18V system of over 225 cordless tools. The charger talks to the battery while charging, monitors current, voltage and temperature, and runs a cooling fan so packs charge faster and cooler. Star Protection lets tool and battery share data to guard against overload, over-discharge and overheating. At $135.00 at eBay as of November 7, 2026, it sits at the low end of its recent range.

Best forBuyers starting a Makita 18V LXT kit from bare toolsOwners adding a spare 4.0Ah pack and a second chargerPros who want a cooled, smart charger rather than a basic oneUsers already in the LXT system who need one more battery
Pros
  • 4.0Ah capacity is a good middle size for drills, drivers and saws
  • Charger fan cools the pack for faster charging in hot weather
  • Charger monitors current, voltage and temperature to help battery life
  • Star Protection guards against overload, over-discharge and overheating
  • Battery holds charge in storage, so it is ready after long idle periods
  • Fits the whole 18V LXT line, including bare tools
Cons
  • One battery only; heavy tools like circular saws will want a second pack
  • 4.0Ah is smaller than Makita's 5.0Ah and 6.0Ah packs for runtime
  • Charger is a dedicated unit, not a dual-port station
  • Starter pack costs more than a bare tool alone if you only need one battery

Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2 prices at every store

  • WalmartNew

    In stockSold by Great Savings by EdReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $214.99Free shippingVerified
    Visit Walmart
  • eBayNew

    Availability unknownSold by sell-by-faith-un9 (100% positive, 59 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $135.00+ $7.10 shippingVerified
    Visit eBay
  • eBayOpen box

    Availability unknownSold by boris.dreyer (100% positive, 3,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $99.00+ $48.85 shippingVerified
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $183.97Free shippingObserved at 7:13 AM
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission.

Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2 price history

Lowest price we've seen: $183.97 on Nov 7 at Amazon. Tracked across 2 stores since Nov 7.

What reviewers say

Owners of Makita 18V LXT tools generally rate the 4.0Ah pack and Rapid Optimum Charger as reliable, fast-charging gear that fits the whole line. Complaints center on runtime with high-draw tools and the cost of buying packs one at a time.

What people mention
  • RuntimeMixedOwners find 4.0Ah fine for drills and drivers but short in saws and other high-draw tools.
  • Charge speedPraisedThe Rapid Optimum Charger refills a drained pack quickly, and the fan keeps it cool while charging.
  • BuildPraisedPacks and charger feel solid and survive job-site drops and heat.
  • CompatibilityPraisedThe battery fits the full 18V LXT range with no adapters.
  • ValueMixedSome owners say the starter pack is pricey if you only need one battery.

About the Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2

Build your own Makita tool kit with the 18-Volt Lithium-Ion Battery and Rapid Optimum Charger Starter Pack. Makita offers over 225 cordless tools that utilize 18-Volt lithium-ion batteries, most available as "bare tools" (tool only, no batteries or charger included). Pick up the Makita Battery and Rapid Optimum Charger Starter Pack, then purchase the 18-Volt "bare tools" you need to get the job done. It's an ideal way to start building a Makita LXT Cordless System. Makita 18-Volt Lithium-Ion Batteries resist self-discharge, so they're ready for use even after long periods of storage. The Makita Rapid Optimum Charger 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 a 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.

Specifications

color
BlackSource
Brand
MakitaSource
Material
Reinforced Composite, CompositeSource
Piece count
4Source
Assembled product weight

Questions and answers

Is this a good way to start a Makita 18V kit?
Yes, if you plan to buy bare LXT tools. The pack gives you one 4.0Ah battery and a charger, and every 18V LXT bare tool then runs on it.
How long does the 4.0Ah battery last per charge?
It depends on the tool. Drills and impact drivers get long runs; circular saws and grinders drain it faster, so a second pack helps.
Does the charger work with other Makita batteries?
It charges Makita 18V LXT lithium-ion packs, including larger 5.0Ah and 6.0Ah sizes, not just the included 4.0Ah.
What is in the box?
One 18V LXT 4.0Ah lithium-ion battery and one Rapid Optimum Charger. Tools are sold separately as bare tools.
Is $135 a good price?
It is at the low end of its recent range: $135.00 at eBay as of November 7, 2026, with 3 stores selling it new.
Can I leave the battery on the charger?
The charger manages the charge and cooling, but for longest life store the pack off the charger in a cool, dry place.
Where is the Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2 cheapest?
At eBay, for $135.00, 27% under what the other stores charge, as of our latest check.
What do buyers say about the Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2?
Rated 4.6 out of 5 from 5 ratings.
Where can I buy the Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2?
3 stores we checked sell it, including eBay, Walmart, Amazon.

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Stores we've priced the Makita 18V LXT 4.0Ah Lithium-Ion Battery and Rapid Optimum Charger Starter Pack BL1840BDC2 at

  • Walmart deals and prices

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All Makita deals and products →
7.3 lbSource
Model
BL1840BDC2Source
Volts
18 VSource