DEWALT FlexVolt 9.0Ah Battery (DCB609) vs Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack)
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) | Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack) |
|---|---|---|
| Platform | FlexVolt | M18 |
| Voltage | 20V/60V MAX | 18V |
| Capacity | 9 Ah | 5 Ah |
| Type | high-output | high-output |
| Genuine OEM | Yes | No |
| Fuel Gauge | No | No |
| Warranty | 3 years | 0 years |
| Price | $152.49 | $57.99 |
| Rating | 8.7/10 | 6.8/10 |
| 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
Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack)
Pros
- Two 5.0Ah packs for close to the price of one genuine Milwaukee M18 battery
- Seller claims compatibility with several Milwaukee M18 battery model numbers
- Higher combined capacity per dollar than a single genuine M18 pack
Cons
- Third-party replacement pack, NOT covered by Milwaukee's tool warranty — any tool damage or safety issue is between you and the third-party seller, not Milwaukee
- Buyer must independently verify voltage and platform fit against their specific M18 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; seller return policies vary and are not guaranteed
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.
Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack)
Genuine Milwaukee M18 packs are the safe default; this Epowon 2-pack is a lower-cost aftermarket alternative, but it carries no Milwaukee warranty and buyers must verify fit themselves before trusting it in an M18 tool.
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