Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A vs RYOBI 40-Volt Lithium-Ion Quick Charger
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 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 40-Volt Lithium-Ion Quick Charger |
|---|---|---|
| Platform | 40V | 40V |
| Voltage | 40V MAX | 40V MAX |
| Capacity | 4 Ah | 0 Ah |
| Type | kit | charger |
| Genuine OEM | Yes | Yes |
| Fuel Gauge | No | No |
| Warranty | 3 years | 3 years |
| Price | $109.96 | $28.98 |
| Rating | 8.5/10 | 7.9/10 |
| 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 40-Volt Lithium-Ion Quick Charger
Pros
- Genuine Ryobi OEM charger for the 40V platform
- Marketed by Ryobi as a 'Quick Charger'
- Affordable at under $30
- Compact, single-port design
Cons
- 40V only — will not charge ONE+ 18V or M12/M18 packs
- No published amp-hour charge spec beyond the 'quick' branding
- Check current Amazon stock before ordering
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 40-Volt Lithium-Ion Quick Charger
A genuine, budget-priced Ryobi 40V charger branded for quicker charging than Ryobi's standard unit — a sensible spare or replacement for the 40V outdoor-power platform.
Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A
$109.96
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