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DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK) vs RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005)

Head-to-head spec comparison to help you pick the right battery for your needs.

DeWalt

$123

Buy on Amazon
vs

Ryobi

$54.99

Buy on Amazon
Deciding between a genuine pack and a cheaper aftermarket one? Read our honest genuine vs aftermarket batteries guide.Read the guide →

Spec-by-Spec Comparison

SpecDEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005)
Platform20V MAXONE+ 18V
Voltage20V MAX18V
Capacity5 Ah4 Ah
Typekithigh-output
Genuine OEMYesYes
Fuel GaugeNoYes
Warranty3 years3 years
Price$123$54.99
Rating8.9/108.5/10
Buy on AmazonBuy on Amazon

Pros & Cons

DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)

Pros

  • Bundles a 5Ah 20V MAX battery, charger, and a carry bag in one genuine DeWalt kit
  • 5Ah capacity is well above DeWalt's base 1.3Ah/1.5Ah starter packs for longer runtime
  • Currently in stock on Amazon
  • Genuine DeWalt OEM kit

Cons

  • Only one battery included — no second pack for swapping mid-job
  • 5Ah packs add noticeable weight versus compact packs
  • We haven't independently measured runtime; 5Ah is DeWalt's stated capacity

RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005)

Pros

  • Genuine RYOBI ONE+ pack backed by RYOBI's 3-year warranty
  • LED fuel gauge shows remaining charge at a glance
  • 4.0Ah capacity gives meaningfully more runtime than RYOBI's 1.5Ah packs
  • Fits the entire ONE+ 18V tool ecosystem

Cons

  • Costs more than RYOBI's smaller 1.5Ah or 2.0Ah packs
  • ONE+ platform tools tend to be lighter-duty than pro-grade brands

Our Verdicts

DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)

A genuine DeWalt kit that pairs a high-capacity 5Ah pack with a charger and bag — good value if you're adding runtime to an existing 20V MAX toolkit or starting fresh.

RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005)

This genuine ONE+ 18V pack pairs real runtime with a built-in fuel gauge — a straightforward upgrade for anyone already in the RYOBI ONE+ ecosystem.

DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)

$123

Buy on Amazon

RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005)

$54.99

Buy on Amazon

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