Genuine OEM
Ryobi
40V High Capacity
Platform
40V
Voltage
40V MAX
Capacity
4Ah
Type
high-output
No current Amazon offer
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Buying link unavailable while we re-verify this exact listing (checked 2026-07-13).
Ryobi
What fits Ryobi 40V?
All Ryobi 40V batteries fit all Ryobi 40V outdoor tools. Higher-capacity packs add runtime for mowers and blowers that draw hard.
- Voltage
- 40V MAX (36V nominal)
- Chemistry
- Lithium-ion outdoor-power (OPE) pack.
Common tools: 40V mower, 40V leaf blower, 40V string trimmer, 40V chainsaw
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Batteries for Ryobi 40V
Chargers
Budget
Ryobi
40V Quick Charger
Platform
40V
Voltage
40V MAX
Capacity
—
Type
charger
No current Amazon offer
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Buying link unavailable while we re-verify this exact listing (checked 2026-07-13).
Starter & combo kits
High-Output & Heavy Tools
Ryobi
OP4040 + OP403A
Platform
40V
Voltage
40V MAX
Capacity
4Ah
Type
kit
No current Amazon offer
Read Review
Buying link unavailable while we re-verify this exact listing (checked 2026-07-13).
Cross-compatibility notes
40V is Ryobi's outdoor line, entirely separate from ONE+ 18V. The two do not share batteries or chargers.