DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK) vs Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
Head-to-head spec comparison to help you pick the right battery for your needs.
Spec Winner
DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK)
Wins on 2 of 3 spec categories
Spec-by-Spec Comparison
| Spec | DEWALT 20V MAX 5Ah Lithium-Ion Battery and Charger Kit with Bag (DCB205CK) | Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A |
|---|---|---|
| Platform | 20V MAX | 40V |
| Voltage | 20V MAX | 40V MAX |
| Capacity | 5 Ah | 4 Ah |
| Type | kit | kit |
| Genuine OEM | Yes | Yes |
| Fuel Gauge | No | No |
| Warranty | 3 years | 3 years |
| Price | $123 | $109.96 |
| 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
Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
Pros
- Bundles a 4.0Ah 40V battery (OP4040) with a charger (OP403A) in one genuine Ryobi kit
- 4.0Ah is a mid-to-high capacity pack for the 40V outdoor-power platform
- Currently in stock on Amazon
- Genuine Ryobi OEM parts, not aftermarket
Cons
- Only one battery included — no second pack for hot-swapping on longer yard jobs
- 40V packs are heavier than ONE+ 18V packs, worth weighing if you're carrying it around
- We haven't independently timed a charge or measured runtime; 4.0Ah is Ryobi's stated rating
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.
Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
A genuine Ryobi 40V battery-and-charger bundle with a solid 4.0Ah pack — practical if you're buying into the 40V outdoor platform or need a spare set.
Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
$109.96