Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack) 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 | Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack) | RYOBI ONE+ 18V 4.0Ah Battery with LED Fuel Gauge (PBP005) |
|---|---|---|
| Platform | M18 | ONE+ 18V |
| Voltage | 18V | 18V |
| Capacity | 5 Ah | 4 Ah |
| Type | high-output | high-output |
| Genuine OEM | No | Yes |
| Fuel Gauge | No | Yes |
| Warranty | 0 years | 3 years |
| Price | $57.99 | $54.99 |
| Rating | 6.8/10 | 8.5/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
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
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
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.
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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