MAKBOS 200W Ryobi 40V Battery Inverter Adapter

The MAKBOS 200W inverter adapter is a battery-powered accessory listed for Ryobi 40V batteries, with one AC outlet, USB charging ports and an LED light. It offers a compact way to power or charge small devices away from an outlet, but the listing gives conflicting output ratings and excludes the battery and power cord.

At a glance

The listing specifies an AC outlet and USB-A plus Type-C PD3.0 charging ports, alongside a 200-lumen LED light.
It is listed for Ryobi 40V batteries and explicitly says it is not for 18V batteries.
The manufacturer identifies a small fan and fuse as included safety features.
The package description says the battery and power cord are excluded.

Price

$45.59Save 20%

Reference price: ~~$56.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Combines one AC outlet, USB charging and an LED work light in a battery-powered adapter.
The listing identifies its AC waveform as pure sine wave, a useful detail when considering compatible small electronics.

Cons

The listed output is limited to small electronics, and the manufacturer warns against air conditioners, power tools, compressors and other aging electrical equipment.
It cannot charge the battery and is described as output-only.

Technical specifications

15 specifications

Identity
Brand	MAKBOS
Model	200W inverter adapter

Power and battery
Power configuration	Battery Powered
Battery compatibility claim	Suitable for Ryobi 40V battery , turning for Ryobi battery into a small generator.for Ryobi top off inverter,for Ryobi power supply.(not for 18V battery)
Output power	150 watts
Peak output power	200
Inverter capacity	240
AC output voltage	120 volts
Electrical output waveform	Pure Sine Wave
Standby power shutoff	100% (or very close to it)

Ports and light
Total power outlets	1
USB charging ports	1 USB ports + Type-C PD3.0 ports
LED light	200 lumens

Physical details
Colour	Black
Parcel dimensions and weight	14.1 x 12.19 x 9.7 cm; 372 g

What to know before buying

The manufacturer says not to expose the unit to rain, use it with a damaged battery or power supply, overload it, or use it for emergency medical or life-support equipment.

Listing details to confirm

The listing is inconsistent about AC output: it gives 150 watts in one detail, 200 watts and 1.25A in a feature claim, and 200 peak watts elsewhere. The title also says 110V120V while the detail field says 120 volts. Confirm the continuous output and voltage before choosing loads. The battery and power cord are excluded, and the adapter is explicitly not for Ryobi 18V batteries.

What’s in the box

Included

200W inverter adapter

Who is it for?

A good fit for

Ryobi 40V battery owners seeking AC and USB power for compatible small devices while camping or during a power interruption.
Buyers wanting an integrated work light and phone-charging ports in a portable inverter adapter.

Less suited to

Anyone needing to power an air conditioner, power tools, a compressor, medical or life-support equipment, or other high-load appliances.
Ryobi 18V battery owners, or anyone expecting a battery, power cord or battery-charging function in the package.

MAKBOS 200W Ryobi 40V Battery Inverter Adapter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 14 ratings

5 stars65%65%
4 stars16%16%
3 stars19%19%
2 stars0%0%
1 star0%0%

No written customer feedback is supplied. Aggregate ratings lean positive, with most ratings in the five-star category, while a smaller share is three-star. This is a limited sample and does not explain why customers rated it as they did, so it cannot resolve the listing's conflicting output claims.

Frequently asked questions

Which Ryobi batteries does the listing claim this adapter supports?

It is listed for Ryobi 40V batteries and specifically says it is not for 18V batteries. The stated battery is not included.

How much AC power can it provide?

The listing conflicts: it states 150 watts in a detail field, 200 watts and 1.25A in a feature claim, and 200 peak watts elsewhere. Confirm the continuous output before use.

Can it charge a Ryobi battery?

No. The listing describes the adapter as output-only and says it cannot charge the battery.

What comes in the package?

The explicit package claim is one inverter adapter. It says the battery and power cord are excluded.