DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK) vs Milwaukee M12 REDLITHIUM 2.0Ah Battery (2-Pack) & Charger Kit
Head-to-head spec comparison to help you pick the right battery for your needs.
Verdict
It's a Tie
The DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK) and Milwaukee M12 REDLITHIUM 2.0Ah Battery (2-Pack) & Charger Kit are evenly matched — your choice depends on which features matter most to you.
Spec-by-Spec Comparison
| Spec | DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK) | Milwaukee M12 REDLITHIUM 2.0Ah Battery (2-Pack) & Charger Kit |
|---|---|---|
| Platform | 20V MAX | M12 |
| Voltage | 20V MAX | 12V MAX |
| Capacity | 5 Ah | 2 Ah |
| Type | kit | compact |
| Genuine OEM | Yes | Yes |
| Fuel Gauge | No | No |
| Warranty | 3 years | 5 years |
| Price | $123 | $59.89 |
| Rating | 8.9/10 | 8.5/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)
Pros
- Bundles a 5Ah 20V MAX battery, charger, and a carry bag in one genuine DeWalt kit
- 5Ah capacity is well above DeWalt's base 1.3Ah/1.5Ah starter packs for longer runtime
- Currently in stock on Amazon
- Genuine DeWalt OEM kit
Cons
- Only one battery included — no second pack for swapping mid-job
- 5Ah packs add noticeable weight versus compact packs
- We haven't independently measured runtime; 5Ah is DeWalt's stated capacity
Milwaukee M12 REDLITHIUM 2.0Ah Battery (2-Pack) & Charger Kit
Pros
- Genuine Milwaukee M12 packs backed by Milwaukee's 5-year warranty
- Kit includes two batteries plus a charger — a solid starter bundle for the M12 platform
- Compact 2.0Ah cells keep M12 tools light for one-handed work
- Straightforward drop-in fit for any M12 tool
Cons
- 2.0Ah per pack is on the lower end for longer-runtime jobs
- Only compatible with M12 tools, not M18
- No fuel gauge on these compact cells
Our Verdicts
DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)
A genuine DeWalt kit that pairs a high-capacity 5Ah pack with a charger and bag — good value if you're adding runtime to an existing 20V MAX toolkit or starting fresh.
Milwaukee M12 REDLITHIUM 2.0Ah Battery (2-Pack) & Charger Kit
A genuine Milwaukee M12 two-battery-and-charger kit is the straightforward, warranty-backed way to get started or restock on the M12 platform — not the highest capacity, but the safest default.