DEWALT FlexVolt 9.0Ah Battery (DCB609) vs RYOBI 40-Volt Lithium-Ion Quick Charger
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 FlexVolt 9.0Ah Battery (DCB609) | RYOBI 40-Volt Lithium-Ion Quick Charger |
|---|---|---|
| Platform | FlexVolt | 40V |
| Voltage | 20V/60V MAX | 40V MAX |
| Capacity | 9 Ah | 0 Ah |
| Type | high-output | charger |
| Genuine OEM | Yes | Yes |
| Fuel Gauge | No | No |
| Warranty | 3 years | 3 years |
| Price | $152.49 | $28.98 |
| Rating | 8.7/10 | 7.9/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
DEWALT FlexVolt 9.0Ah Battery (DCB609)
Pros
- Genuine DEWALT FlexVolt pack backed by DEWALT's 3-year warranty
- FlexVolt design auto-switches between 20V and 60V MAX tools
- High capacity suited to demanding FlexVolt tools like table saws and mowers
Cons
- Premium price point relative to standard 20V MAX packs
- More capacity than needed for light-duty 20V MAX tools
- No fuel gauge readout mentioned for this pack
RYOBI 40-Volt Lithium-Ion Quick Charger
Pros
- Genuine Ryobi OEM charger for the 40V platform
- Marketed by Ryobi as a 'Quick Charger'
- Affordable at under $30
- Compact, single-port design
Cons
- 40V only — will not charge ONE+ 18V or M12/M18 packs
- No published amp-hour charge spec beyond the 'quick' branding
- Check current Amazon stock before ordering
Our Verdicts
DEWALT FlexVolt 9.0Ah Battery (DCB609)
The DCB609 is DEWALT's genuine high-capacity FlexVolt pack — built for the cross-platform 20V/60V lineup, at a real premium over standard 20V MAX batteries.
RYOBI 40-Volt Lithium-Ion Quick Charger
A genuine, budget-priced Ryobi 40V charger branded for quicker charging than Ryobi's standard unit — a sensible spare or replacement for the 40V outdoor-power platform.
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