As an Amazon Associate, BatteryFits earns from qualifying purchases at no cost to you. Compatibility is not a safety endorsement — always verify voltage and platform.

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

BatteryFits earns a commission from qualifying Amazon purchases at no cost to you. Compatibility is not a safety endorsement — verify voltage and platform before buying, and note that a buying link is not proof of fit, safety, or performance.

Batteries for Ryobi 40V

RYOBI 40V Lithium-Ion 4Ah High Capacity Battery product image
Genuine OEM

Ryobi

40V High Capacity

8.4
Platform

40V

Voltage

40V MAX

Capacity

4Ah

Type

high-output

$104.99
Read ReviewBuy on Amazon

Chargers

RYOBI 40-Volt Lithium-Ion Quick Charger product image
Budget

Ryobi

40V Quick Charger

7.9
Platform

40V

Voltage

40V MAX

Capacity

Type

charger

$28.98
Read ReviewBuy on Amazon

Starter & combo kits

Ryobi 40V Battery and Charger Kit, 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A product image
High-Output & Heavy Tools

Ryobi

OP4040 + OP403A

8.5
Platform

40V

Voltage

40V MAX

Capacity

4Ah

Type

kit

$109.96
Read ReviewBuy on Amazon

Cross-compatibility notes

40V is Ryobi's outdoor line, entirely separate from ONE+ 18V. The two do not share batteries or chargers.