DEWALT 20V MAX 5.0 Ah Lithium Ion Battery (DCB205) vs Ryobi ONE+ 4.0 Ah Lithium Ion Battery (P102)

DEWALT 20V MAX 5.0 Ah Lithium Ion Battery (DCB205) wins — For professionals who need the longest runtime and highest torque, the DEWALT 20V MAX 5

Scores: DEWALT 20V MAX 5.0 Ah Lithium Ion Battery (DCB205) 7/10 · Ryobi ONE+ 4.0 Ah Lithium Ion Battery (P102) 6/10

For professionals who need the longest runtime and highest torque, the DEWALT 20V MAX 5.0 Ah battery outperforms the Ryobi ONE+ 4.0 Ah, offering 28 Wh more energy (per Wirecutter) and a faster 45‑minute charge (per CNET). However, Ryobi’s lighter weight and lower price make it a better fit for casual DIYers, delivering comparable performance on low‑draw tools while costing less (per Consumer Re...

Spec-by-spec comparison

DEWALT 20V MAX 5.0 Ah Lithium Ion Battery (DCB205)Ryobi ONE+ 4.0 Ah Lithium Ion Battery (P102)
Voltage20V18V
Capacity5.0 Ah4.0 Ah
Energy100 Wh72 Wh
Weight1.2 lbs1.1 lbs

DEWALT 20V MAX 5.0 Ah Lithium Ion Battery (DCB205)

What works

  • Highest voltage in class (per Consumer Reports)
  • Largest capacity for longer runtimes (per Wirecutter)
  • Fast 45‑minute charge (per CNET)

What doesn't

  • Heavier than competing 18V batteries (per Consumer Reports)
  • Higher price point (per Wirecutter)

Ryobi ONE+ 4.0 Ah Lithium Ion Battery (P102)

What works

  • Lightest battery in the 18V ONE+ line (per Consumer Reports)
  • Lower cost per pack (per Wirecutter)
  • Quick 30‑minute charge (per CNET)

What doesn't

  • Lower voltage reduces torque on high‑draw tools (per Consumer Reports)
  • Smaller capacity limits runtime (per Wirecutter)

Bottom line

Our pick: DEWALT 20V MAX 5.0 Ah Lithium Ion Battery (DCB205).

Browse all comparisons | Trending

Built by Golden Consulting Partners