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Deal.ai › DeWalt

DeWalt

DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery

DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery

4.8(54 ratings)

Best price now

$49.99at eBayChecked 1 h ago

50% under what the other stores charge

Compared across 16 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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Price facts

Lowest price today: $49.99 at eBay (checked Nov 12, 2026).
Checked at 16 stores.

Our take on the DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery

The DeWalt DCB124 is a 12V MAX lithium-ion battery pack rated at 3.0 Ah, the mid-size pack in DeWalt's 12V line. It holds 50% more charge than the 2.0 Ah DCB122, so tools run longer between swaps, and it adds a built-in fuel gauge with LED bars to check charge at a glance. It fits every DeWalt 12V MAX tool and charger, which makes it a straightforward upgrade for anyone already in that system. Owners rate it highly, and the main trade-off is the extra bulk and weight over the smaller 2.0 Ah pack.

Best forOwners of DeWalt 12V MAX drills and driversTrades who want longer runtime from compact toolsReplacing a worn or lost 12V packKeeping a spare charged while one is in use

Pros

3.0 Ah capacity gives 50% more runtime than the 2.0 Ah DCB122
Built-in LED fuel gauge shows charge level
Fits all DeWalt 12V MAX tools and chargers
Lithium-ion cells hold charge well in storage
Compact form keeps 12V tools light and handy

Cons

Heavier and slightly bulkier than the 2.0 Ah pack
Only works in DeWalt's 12V MAX line, not 20V tools
No charger included with the battery

DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery prices at every store

WalmartNew
In stockSold by Sceglio Enterprises
$59.15Free shippingChecked 1 h ago
Visit Walmart
TargetNew
In stock
$65.00Free shippingChecked 1 h ago
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Lowe'sNew
In stock
$99.00Free shippingChecked 1 h ago
Visit Lowe's
Tool NutNew
In stock
$99.00+ $7.49 shippingChecked 1 h ago
Visit Tool Nut
Ace HardwareNew
In stock
$99.00+ $15.00 shippingChecked 1 h ago
Visit Ace Hardware
Leeper HardwareNew
In stockReturn policy
$128.99Checked 1 h ago
Visit Leeper Hardware
eBayNew
Availability unknown
$49.99Checked 1 h ago
Visit eBay
AmazonNew
Availability unknown
As an Amazon Associate, Deal.ai earns from qualifying purchases.
$53.90Free shippingChecked 1 h ago
Visit Amazon
Best BuyNew
Availability unknown
$65.00Checked 1 h ago
Visit Best Buy
All-Wall.comNew
Availability unknown
$99.00Checked 1 h ago
Visit All-Wall.com
Acme ToolsNew
Availability unknown
$99.00Checked 1 h ago
Visit Acme Tools
JMC Automotive EquipmentNew
Availability unknown
$117.99Checked 1 h ago
Visit JMC Automotive Equipment
SupplyHouse.comNew
Availability unknown
$123.69Checked 1 h ago
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Auto Tool WorldNew
Availability unknown
$130.43Checked 1 h ago
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MSC Industrial SupplyNew
Availability unknown
$134.84Checked 1 h ago
Visit MSC Industrial Supply
Grainger Industrial SupplyNew
Availability unknown
$142.17Checked 1 h ago
Visit Grainger Industrial Supply

Store links may earn us a commission.

DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery price history

Lowest price we've seen: $49.99 on Nov 13 at eBay. Tracked across 15 stores since Nov 13.

What reviewers say

4.8 / 554 ratings

Owners rate the DCB124 highly and treat it as the sensible runtime upgrade for DeWalt 12V tools. The fuel gauge and the longer run time come up most often as reasons they like it.

What people mention

RuntimePraisedOwners say the 3.0 Ah pack lasts clearly longer than the 2.0 Ah battery in the same tools.
Fuel gaugePraisedThe LED charge indicator is called useful for checking charge before starting a job.
CompatibilityPraisedBuyers report it drops into existing DeWalt 12V MAX tools and chargers with no problems.
WeightMixedSome note the larger pack makes compact 12V tools feel heavier and less balanced.

About the DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery

The DeWalt DCB124 is a 12V MAX lithium-ion battery pack with a 3.0 Ah capacity. It gives DeWalt 12V MAX tools extra run time, with 50% more capacity than the DCB122 2Ah battery.

It includes an LED fuel gauge charge indicator, so you can check that the battery is ready for the job. It is compatible with all DeWalt 12V MAX tools.

Model: DCB124
Voltage: 12V MAX
Capacity: 3.0 Ah
Battery type: Lithium-ion
Charge indicator: LED fuel gauge
Compatibility: All DeWalt 12V MAX tools
Color: Yellow

Specifications

color: Yellow
size: M

Questions and answers

How does the DCB124 compare with the DCB122?: It has 3.0 Ah against 2.0 Ah, so about 50% more runtime. It also adds the LED fuel gauge, which the 2.0 Ah pack lacks.
Will it fit my DeWalt 12V tools?: Yes. DeWalt lists it as compatible with all 12V MAX tools and chargers. It does not fit 20V MAX tools.
Does it come with a charger?: No. It is the battery pack only. Use your existing DeWalt 12V MAX charger.
How do I check the charge level?: Press the fuel gauge button on the pack and the LEDs show roughly how much charge is left.
Is it worth it over the smaller pack?: If your 12V tools run out too fast, the extra runtime and the fuel gauge make it the better pick. For the lightest possible tool, the 2.0 Ah pack is smaller.
Where is the DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery cheapest?: At eBay, for $49.99, 50% under what the other stores charge, as of our latest check.
What do buyers say about the DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery?: Rated 4.8 out of 5 from 54 ratings.
Where can I buy the DeWalt 12 Volt MAX Lithium-Ion 3.0 Ah Tool Battery?: 16 stores we checked sell it, including Leeper Hardware, Amazon, eBay, Walmart, Target.

Shoppers also compared

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DeWalt 12V Max 2.0Ah Battery

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