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Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack

Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack

4.7· 1,742 ratings

Best price now

$50.00at AmazonObserved at 12:15 PM

15% under what the other stores charge

Compared across 5 stores. Prices are checked against each store and labelled with when.

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Our take on the Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack

This is a single CRAFTSMAN V20 20V MAX lithium-ion battery rated at 4.0Ah, sold as one pack. It fits the whole CRAFTSMAN V20 cordless tool and outdoor lineup and has a 3-LED charge indicator plus a 3-year limited warranty. CRAFTSMAN rates it at up to 3x the capacity of the 1.3Ah CMCB201, and it charges in about an hour. The best new price is $46.99 at eBay as of November 4, 2026, with 4 stores listing it new.

Best forOwners of CRAFTSMAN V20 drills, saws and trimmersReplacing a worn 1.3Ah or 2.0Ah packLonger runtime on high-draw toolsKeeping a spare charged for bigger jobs
Pros
  • 4.0Ah gives roughly 3x the runtime of the 1.3Ah CMCB201
  • Fits every CRAFTSMAN V20 tool and outdoor tool
  • 3-LED charge indicator shows remaining power
  • About 1-hour charge time
  • 3-year limited warranty
  • No memory effect and low self-discharge
Cons
  • Single battery only, no charger included
  • Heavier and bulkier than small 1.3Ah packs
  • V20 only, not compatible with other brands
  • Not the highest-capacity V20 pack CRAFTSMAN sells

Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack prices at every store

  • Buy & Sell OutletNew

    In stockReturn policy

    $50.00Observed at 12:15 PM
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  • The General Store SpokaneNew

    In stockReturn policy

    $99.00Observed at 12:15 PM
    Visit store
  • AmazonNew

    Availability unknown

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

    $50.00Free shippingObserved at 12:15 PM
    Visit store
  • Lowe'sNew

    Availability unknown

    $59.00Free shippingObserved at 12:34 PM
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  • ZoroNew

    Availability unknown

    $65.55Observed at 12:34 PM
    Visit store

Also available at

  • eBayCheck price at eBay
  • Life and HomeCheck price at Life and Home

Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack price history

Lowest price we've seen: $50.00 on Nov 4 at Amazon. Tracked across 3 stores since Nov 4.

What reviewers say

With 4.7 out of 5 from 1,742 ratings, owners mostly report solid runtime and a good fit across V20 tools. Complaints tend to center on price per pack and on batteries that fade after heavy use.

Pros
  • Noticeably longer runtime than the small stock battery
  • Charge indicator is handy
  • Fits V20 tools without wobble
  • Holds charge between uses
Cons
  • Costs more than generic packs
  • Some units lose capacity after a year or two of hard use
  • No charger in the box

From Lowe's

  • Up to 3x the capacity versus a standard 20V MAX lithium battery (vs CMCB201 1.3Ah)
  • Compatible with the CRAFTSMAN V20 cordless power tool and outdoor tool lineup
  • Professional grade high performance cells for improved power
  • Longer cycle life for extended battery life
  • 3-LED state of charge indicator for immediate battery charge feedback
  • No memory and virtually no self-discharge
Guarantee
Best Price Guaranteed: Lowe's will match a lower price on an exact item; some exclusions apply.
Returns
Free returns: return it in store or ship it back for free; eligibility rules apply.
Shipping
Free shipping for all members; excludes AK, HI or US territories.
Packs
1, 2, 3, 4, 5 and 6 packs offered
In the box
(1) CMCB204 V20 4.0Ah Lithium Ion Battery

About the Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack

V20 20 -Volt 1 -Pack Battery ( 4.0 Ah

Specifications

Battery capacity
4.0AhSource
Voltage
20Source
Battery quantity
2Source
Power source
CordlessSource
Product height

Questions and answers

Is the 4.0Ah pack worth it over the 1.3Ah?
Yes for tools that draw a lot of power, like circular saws and trimmers. CRAFTSMAN rates it at up to 3x the capacity, so you get far more cuts or runtime per charge.
Does it fit all CRAFTSMAN V20 tools?
Yes. It works with the CRAFTSMAN V20 cordless power tool and outdoor tool lineup. It will not fit other brands' 20V tools.
Does it come with a charger?
No. The box contains one CMCB204 4.0Ah battery only. You need a V20 charger, and a full charge takes about an hour.
How long does a charge last?
Runtime depends on the tool. Expect several times the work of a 1.3Ah pack, and the battery holds its charge for months when stored.
When is it cheapest?
Battery packs usually drop during tool-kit promotions and holiday sales. The best new price was $46.99 at eBay as of November 4, 2026.
Where is the Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack cheapest?
At Amazon, for $50.00, 15% under what the other stores charge, as of our latest check.
What do buyers say about the Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack?
Rated 4.7 out of 5 from 1,742 ratings.
Where can I buy the Craftsman V20 20V MAX Lithium-Ion 4.0Ah Battery Pack?
7 stores we checked sell it, including Lowe's, Zoro, Buy & Sell Outlet, The General Store Spokane, Amazon.

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2 4/5Source
Product length
4 4/5Source
Charge indicator
3 LED State of charge indicatorSource
Warranty
3 Year Limited WarrantySource
Sub-Brand
V20
Charges Battery Type
Lithium Ion (Li-ion)
Package Contents
(1) CMCB204 V20 4.0Ah Lithium Ion Battery
Type
Battery
Battery Package Count
1
Battery Type
Lithium-ion
Battery Voltage
20-volt max
Battery 1 Amp-Hours
4
Battery 2 Amp-Hours
0
Battery Platform
CRAFTSMAN V20
Charge Time (Hours)
1
Cordless
true
Brand/Model Compatibility
CRAFTSMAN V20
CA Residents: Prop 65 Warning(s)
false