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DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-Pack vs DeWalt DCB203 20V 2Ah Battery Two-Pack

Buy the DCB2104 two-pack if you want the longest runtime per charge and the newer tabless cells, which DeWalt and owners say run cooler and hold up over more cycles. Buy the DCB203 two-pack if you mostly use drills, impact drivers and other light tools and want packs that are easier to carry and quicker to top up. The 4Ah packs are heavier and bulkier; the 2Ah packs trade runtime for balance and a lower step-in. Both are genuine 20V MAX XR packs with LED fuel gauges and no memory effect.

  • Choose the DeWalt DCB2104 4Ah two-pack if you run saws, grinders, blowers or other high-draw tools and want maximum runtime and the newer tabless cell design.
  • Choose the DeWalt DCB203 2Ah two-pack if you want lighter packs for drills and drivers and value a compact, easy-to-handle battery.

Prices

  • DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-Pack: $92.00 at Tool Pass Pro (last seen Nov 9)
  • DeWalt DCB203 20V 2Ah Battery Two-Pack: $79.00 at Amazon (last seen Oct 31)
  • Difference: the DeWalt DCB203 20V 2Ah Battery Two-Pack is $13.00 cheaper than the DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-Pack at the latest prices (Oct 31 and Nov 9)
DeWalt
DeWalt 20V MAX XR Powerpack 4Ah Batteries - 2PK - DCB2104-2

DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-Pack

DeWalt 20V MAX XR Powerpack 4Ah Batteries - 2PK - DCB2104-2

5(5 ratings)
$92.00at Tool Pass ProChecked 57 min ago
See all prices and details
Visit Tool Pass Pro
Pros
  • Double the capacity of the 2Ah pack, so fewer swaps on saws and grinders
  • Tabless cell design runs cooler and is rated for more charge cycles
  • Overmolded base shrugs off drops and jobsite wear
  • LED indicator shows charge at a glance
  • Fits every DeWalt 20V MAX tool
Cons
  • Noticeably heavier, which unbalances compact drills and drivers
  • Takes longer to recharge than a 2Ah pack
  • Bulkier in a tool bag
DEWALT
DeWALT Max XR Premium Lithium-Ion Compact 20V 2Ah Battery DCB203 - Two Pack

DeWalt DCB203 20V 2Ah Battery Two-Pack

DeWALT Max XR Premium Lithium-Ion Compact 20V 2Ah Battery DCB203 - Two Pack

4.3(97 ratings)
$79.00at AmazonChecked Oct 31
See all prices and details
Visit Amazon

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

Pros
  • Light and compact, good balance on drills and impact drivers
  • Quick to recharge, about 35 to 45 minutes
  • 3-LED fuel gauge gives a clear state of charge
  • No memory effect and low self-discharge
  • Fits every DeWalt 20V MAX tool
Cons
  • Half the runtime of the 4Ah pack, so more swaps on high-draw tools
  • Standard cells, less heat tolerance under heavy load
  • No overmolded base for drop protection

What separates them

DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-PackDeWalt DCB203 20V 2Ah Battery Two-Pack
Capacity per pack4 Ah each2 Ah each
Cell designTabless cells, built for lower heat and longer lifeStandard cylindrical cells
Weight and balanceHeavier, makes top-heavy tools more soLighter, keeps compact tools balanced
Charge timeLonger to refill at the same charger outputAbout 35 to 45 minutes on a fast charger
Base durabilityOvermolded base for impact resistanceStandard base
Fuel gaugeLED charge indicator3-LED fuel gauge
Tool compatibilityAll DeWalt 20V MAX toolsAll DeWalt 20V MAX tools
Runtime in high-draw toolsRoughly double the runtime of a 2Ah packShorter runtime, best for light tools

Price history

$179.00$69.95
Oct 29Nov 10
  • DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-Pack: lowest $113.95 on Nov 10 at 24hr Supply.
  • DeWalt DCB203 20V 2Ah Battery Two-Pack: lowest $69.95 on Oct 31 at Walmart; $79.00 on Nov 10.

Prices at every store

DeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-Pack

  • Tool Pass ProNew

    In stockReturn policy

    $92.00Checked 57 min ago
    Visit Tool Pass Pro
  • 24hr SupplyNew

    In stock

    $113.95Free shippingChecked 55 min ago
    Visit 24hr Supply
  • WalmartNew

    In stockSold by Vegas Power Tools

    $129.99Free shippingChecked 55 min ago
    Visit Walmart
  • WalmartNew

    In stockSold by Sceglio EnterprisesReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $112.75+ $47.00 shippingChecked 57 min ago
    Visit Walmart
All 24 stores and price history →

DeWalt DCB203 20V 2Ah Battery Two-Pack

  • The Home DepotNew

    In stock

    $79.00Free shippingChecked 57 min ago
    Visit The Home Depot
  • Ace HardwareNew

    In stock

    $79.00Free shippingChecked 57 min ago
    Visit Ace Hardware
  • Lowe'sNew

    In stock

    $79.00Free shippingChecked 57 min ago
    Visit Lowe's
  • AmazonNew

    Availability unknown

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

    $79.00Checked Oct 31
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart
  • WalmartCheck price at Walmart

Store links may earn us a commission. Some prices via Klarna.

All 12 stores and price history →

Specs compared

SpecDeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-PackDeWalt DCB203 20V 2Ah Battery Two-Pack
Battery capacity4 Ah2 Ah
Battery chemistryLi-IonLithium-ion
Battery series20V MAX* XR®XR
Cordless or cordedCordlessCordless
Voltage20V—
Batteries included2—
Chargers included0—
Power sourceBattery—
Product typeBattery—
Compatible productsDEWALT® 20V Cordless Tools—
Country of originMexico (subject to change)—
color—Yellow
Show all 37 specsShow fewer specs
SpecDeWalt DCB2104-2 20V MAX XR 4Ah Battery 2-PackDeWalt DCB203 20V 2Ah Battery Two-Pack
size—Battery
Battery Voltage—20 V
Number of Pieces—2
Charge Time—35 min
Product Length—9.25 in
Product Height—3.75 in
Product Width—7 in
Product Weight—1.8 lbs
Power Input—1400 W
Battery Type

What reviewers say

DeWalt DCB203 20V 2Ah Battery Two-Pack

  • 4.3 / 597 ratings

Rated 4.3 out of 5 from 97 ratings, buyers mostly treat these as solid compact packs that fit the 20V MAX line as expected. Complaints center on runtime in high-draw tools and on packs that aged or arrived weak.

What people mention
  • FitPraisedBuyers say the packs click into 20V MAX tools and chargers as expected.
  • RuntimeCriticisedOwners report 2.0Ah drains quickly in saws and other high-draw tools.
  • WeightPraisedThe compact packs keep drills and drivers light and balanced.
  • Fuel gaugePraisedThe charge indicator is called useful for checking a pack before a job.

Questions and answers

Which is better for heavy tools like a circular saw or grinder?
The DCB2104 4Ah pack. It delivers roughly twice the runtime of the 2Ah pack and its tabless cells handle high current with less heat.
Which lasts longer over time?
The 4Ah tabless pack is built for a longer service life, with better heat management and an overmolded base. The 2Ah pack is fine for light use but works harder under heavy loads.
Is the 4Ah pack worth stepping up to?
Yes if you use high-draw tools or work away from an outlet for long stretches. If you mostly drive screws and drill holes, the lighter 2Ah packs are easier to live with.
Do both fit the same tools and chargers?
Yes. Both are 20V MAX XR packs and work with every DeWalt 20V MAX tool and charger.
Can I mix a 4Ah and a 2Ah pack?
Yes, in tools that take one battery at a time. Just expect the smaller pack to run down first.

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More comparisons

  • DeWalt 20V MAX XR Powerpack 4Ah Batteries - 2PK - DCB2104-2 vs DeWalt DCB2108 20V MAX XR POWERPACK 8 Ah Battery
  • DeWALT Max XR Premium Lithium-Ion Compact 20V 2Ah Battery DCB203 - Two Pack vs DeWalt DCB2108 20V MAX XR POWERPACK 8 Ah Battery
  • DeWALT Max XR Premium Lithium-Ion Compact 20V 2Ah Battery DCB203 - Two Pack vs DEWALT FLEXVOLT 20V/60V MAX 9.0Ah Lithium-Ion Battery Pack with Fuel Gauge (DCB609)
  • DeWALT Max XR Premium Lithium-Ion Compact 20V 2Ah Battery DCB203 - Two Pack vs DEWALT 20V MAX Battery XR POWERPACK 4Ah Lithium Ion
  • DeWalt 20V MAX Lithium-Ion 6.0Ah Battery Pack (DCB206) vs DeWalt 20V MAX XR Powerpack 4Ah Batteries - 2PK - DCB2104-2
  • DeWalt 20V MAX Lithium-Ion 6.0Ah Battery Pack (DCB206) vs DeWALT Max XR Premium Lithium-Ion Compact 20V 2Ah Battery DCB203 - Two Pack

Buying guides that pick them

  • Best DeWalt 20V MAX XR battery packs under $100
—
20V MAX*
Fuel Gauge—Yes
Volts—20 Volts
Compatibility—DEWALT
Compatible models—20V MAX
Brand—DEWALT
Works with—DeWalt 20V MAX tools and accessories
Count per pack—2
Piece count—2
Model—DCB203-2
Model name—DCB203
Weight—1.6 lb
Manufacturer—DeWalt
Retail packaging—Bundle
Battery Capacity (Ah)—2.00
Charging Time—0.50 hr