DEWALT 20V MAX Compact 2.0Ah Battery (DCB203) 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.
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
| Spec | DEWALT 20V MAX Compact 2.0Ah Battery (DCB203) | RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005) |
|---|---|---|
| Platform | 20V MAX | ONE+ 18V |
| Voltage | 20V MAX | 18V |
| Capacity | 2 Ah | 4 Ah |
| Type | compact | high-output |
| Genuine OEM | Yes | Yes |
| Fuel Gauge | No | Yes |
| Warranty | 3 years | 3 years |
| Price | $38.95 | $54.99 |
| Rating | 8.4/10 | 8.5/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
DEWALT 20V MAX Compact 2.0Ah Battery (DCB203)
Pros
- Genuine DEWALT pack backed by DEWALT's 3-year warranty
- Compact 2.0Ah size keeps drills and drivers light and balanced
- Lowest-cost genuine-OEM 20V MAX battery in this lineup
- Fits the full 20V MAX tool range
Cons
- 2.0Ah runtime is limited for high-draw tools like saws or grinders
- No fuel gauge on this compact pack
- Not a fit for FlexVolt 60V-only tools
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 Compact 2.0Ah Battery (DCB203)
The DCB203 is DEWALT's genuine compact 20V MAX pack — the cheapest way into real DEWALT chemistry, best suited to light tools rather than heavy-draw ones.
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.
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