9.0Ah Replacement Battery for DEWALT 20V/60V FlexVolt (2-Pack) 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 | 9.0Ah Replacement Battery for DEWALT 20V/60V FlexVolt (2-Pack) | 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 | No | Yes |
| Fuel Gauge | No | No |
| Warranty | 0 years | 3 years |
| Price | $68.39 | $28.98 |
| Rating | 6.5/10 | 7.9/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
9.0Ah Replacement Battery for DEWALT 20V/60V FlexVolt (2-Pack)
Pros
- Two 9.0Ah packs for less than the price of one genuine DEWALT DCB609
- Seller lists compatibility across a wide range of DEWALT 20V/60V FlexVolt model numbers
- High per-pack capacity on paper for demanding FlexVolt tools
Cons
- Third-party replacement pack, NOT covered by DEWALT's tool warranty — any tool or battery issue is handled by the third-party seller, not DEWALT
- Buyer must independently verify voltage and platform fit against their specific DEWALT tool before use
- A working buying link is not proof of safety, cell quality, or real-world performance — we have not tested this pack
- No manufacturer-backed warranty; unbranded listing with no verifiable warranty terms
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
9.0Ah Replacement Battery for DEWALT 20V/60V FlexVolt (2-Pack)
A genuine DEWALT FlexVolt pack like the DCB609 remains the safe default; this unbranded 9.0Ah 2-pack is a cheaper aftermarket option but comes with no DEWALT warranty, so verify fit and buyer protections before relying on it.
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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