RYOBI RYi300BG 300-Watt Powered Inverter for 40-Volt Battery

In this review the RYOBI RYi300BG is evaluated as a compact, jobsite-ready power inverter for users who already own RYOBI 40-Volt batteries. The bottom line: it is best for anyone needing reliable, portable power for small electronics - laptops, tablets and phones - without carrying a separate generator. The inverter's single biggest selling point is its combination of 300-Watt continuous output with pure sine wave technology, which makes it safe for sensitive devices while remaining lightweight and easy to stash with existing 40-Volt batteries.

Key Features

• 300-Watt continuous output: Provides stable power to run laptops and other small electronics for extended use when paired with a 40-Volt battery.
• Pure sine wave technology: Delivers clean, safe AC power that reduces the risk of damage to sensitive electronics like laptops and audio equipment.
• Multiple outlet types: Includes one 120V wall outlet, one USB-A outlet and one USB-C outlet for charging a wide mix of devices without extra adapters.
• Compatible with 40-Volt batteries: Fits all RYOBI 40-Volt batteries so users can leverage existing battery packs for on-the-go power.
• Compact and lightweight design: Easy to carry to a jobsite, into a vehicle or on a road trip without taking much space.
• External LED light: Adds minimal utility for seeing ports or working in low light without needing a separate lamp.

Who It's For

The RYi300BG is ideal for DIYers, contractors and travelers who already own RYOBI 40-Volt batteries and need a convenient way to run small electronics on the go. It answers the common need for emergency charging during power outages and is handy for road trips or remote work because it provides both USB and AC outlets in one compact unit.

Those who should look elsewhere include users who need high-wattage output for power tools or appliances above 300-Watt, and anyone who does not already use the 40-Volt battery platform, since the unit requires a separate battery and charger which are not included.

Pros & Cons

Pros

• Pure sine wave output makes it safe for sensitive electronics like laptops and tablets.
• Built-in USB-C and USB-A ports give modern device compatibility without adapters.
• Compatible with existing 40-Volt batteries so you can reuse batteries you already own.
• Compact form factor and an external LED light add practical portability for travel and jobsite use.

Cons

• Limited to 300-Watt continuous output, so it will not run larger power-hungry devices or most power tools.
• Battery and charger are not included, which adds cost for users who need to buy the whole 40-Volt system.

Specifications

Model	RYI300BG 300-Watt Powered Inverter
Compatible batteries	All RYOBI 40-Volt batteries
Continuous output	300 Watt
Outlet types	1 USB-A, 1 USB-C, 1 120V wall outlet
Waveform	Pure sine wave
Additional feature	External LED light

Our Verdict

The RYOBI RYi300BG is a practical, value-minded inverter for owners of the 40-Volt battery platform who need dependable, clean power for phones, tablets and laptops. Its pure sine wave output and mixed outlet options make it particularly useful for sensitive electronics, while its compact design keeps it convenient for travel and emergency use. It is not suited for heavy-duty power demands, but for the intended role it offers solid convenience and value.

Frequently Asked Questions

Does the inverter include a battery?
The unit does not include a battery or charger; it requires a separate RYOBI 40-Volt battery to operate.

Can it run a laptop and phone at the same time?
Yes, the 300-Watt continuous output plus USB-A and USB-C ports allow charging a phone and running a laptop, provided total draw stays below 300 Watt.

Is the output safe for sensitive electronics?
Yes, the inverter uses pure sine wave technology, which is safe for sensitive devices such as laptops and audio equipment.