Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A vs RYOBI ONE+ 18V Fast Charger (PCG004)
Head-to-head spec comparison to help you pick the right battery for your needs.
Spec Winner
Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
Wins on 2 of 3 spec categories
Spec-by-Spec Comparison
| Spec | Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A | RYOBI ONE+ 18V Fast Charger (PCG004) |
|---|---|---|
| Platform | 40V | ONE+ 18V |
| Voltage | 40V MAX | 18V |
| Capacity | 4 Ah | 0 Ah |
| Type | kit | charger |
| Genuine OEM | Yes | Yes |
| Fuel Gauge | No | No |
| Warranty | 3 years | 3 years |
| Price | $109.96 | $35.91 |
| Rating | 8.5/10 | 8.0/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
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
RYOBI ONE+ 18V Fast Charger (PCG004)
Pros
- Genuine Ryobi OEM charger for the ONE+ 18V platform
- Manufacturer markets it as a 'Fast Charger' model
- Affordable at under $40
- Compact single-bay design
Cons
- Currently showing low stock on Amazon — availability may be inconsistent
- No published amp-hour charge rate on the listing beyond the 'fast' branding
- ONE+ 18V only — will not charge Ryobi 40V packs
Our Verdicts
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 ONE+ 18V Fast Charger (PCG004)
A genuine Ryobi ONE+ charger marketed for faster charging than Ryobi's base charger, though stock has been inconsistent — worth grabbing when available if you're staying within the ONE+ ecosystem.
Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
$109.96