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Phil
Reviewed in the United States on March 27, 2025
Works great and provides 350W of power to multiple devices.
MJV
Reviewed in the United States on March 21, 2025
I have the Ryobi 300w inverter and wanted to power 2 32” tvs for a trade show. I needed to run them for 10 hour the Ryobi brand inverter would last 2 Hours and 15 minutes before dead. I bought this because it holds the 4 batteries. It worked extremely well with 2 4ah and 2 5ah batteries I was able to power the tvs for 11 hours at the end of the show I had 1 battery with 1 bar of power left. For small loads that you want to run for a long time this is excellent the only upgrade I would want on this is a built in charger. I would never buy the 300w Ryobi again over getting one of these
T. L. Harley
Reviewed in the United States on February 4, 2025
I had some 40 volt Ryobi batteries on hand, so it seemed logical to add this tool. I installed four 6ah batteries and connected my Bodega 53 quart portable cooler via the 12 volt output and an adapter. The batteries kept the fridge at the 40 degree setting for over 50 hours. So I was pleased. The USB C port fast charged a phone at 18 watts. I wish the unit had an on screen battery gauge. But it does display the voltage and output wattage and which batteries are being used at the moment. So you have a pretty good idea of remaining battery life by the voltage displayed. So far so good. I just wish these folks produced a unit capable of 1000 watts or so. Then a full size fridge or even a furnace could be run. But for small appliances, electronics, or lighting during a power outage this unit seems fine.
Ksenia
Reviewed in the United States on February 16, 2025
The problem with this device is that it only uses one battery at a time even though it has bays for 4 batteries. And its construction is very junky: like the battery sleeves don't accept the batteries very smoothly - in some slots you have to really slam the battery down. The single AC receptacle is completely unconventional - the slots in the receptacle don't match a standard three prong plug - it was very hard to get a three prong plug in and I could not get a two prong plug in at all.So with just one battery being active you can't really power a medium size fridge. You can't run even a 1/8 HP motor. There is enough wattage for "continuous" run but not enough to the supply the starting wattage. This is no better than the Ryobi "Powered Inverter" that uses only one battery and costs half as much and is a much higher quality built product. To get the capacity you'd expect for a unit that uses the power of all 4 batteries you need the "Portable Battery Power Station Inverter" which unfortunately costs four time as much as this unit.About the only advantage of this unit is that it provides a place to store four big batteries. The same type unit by Ryobi will also charge the batteries that are inserted if you have power. This unit can not do that.
Davey Dave
Reviewed in the United States on January 17, 2025
This power inverter effectively transforms Ryobi 40V batteries into a reliable emergency power source, though the operational noise level requires consideration.During extended power outages, this inverter demonstrated its value by maintaining essential electronics. In testing, it powered an Xfinity modem and laptop continuously for 12 hours, enabling crucial access to emergency updates and communications. The pure sine wave output provides safe, stable power for sensitive electronics - an important feature for protecting valuable devices.Key strengths include compatibility with both original and compatible 40V batteries. The four-battery capacity allows for extended runtime when needed. It eliminates the complexity of traditional generators, requiring no fuel management or outdoor operation during adverse weather conditions.Notable considerations: The cooling system produces significant noise during operation, comparable to a desktop computer under heavy load. The unit requires indoor placement due to its non-weather-resistant design, which may limit some usage scenarios. While functional for home emergency use, the construction quality suggests careful handling is advisable.Performance testing showed reliable operation with an 80-watt load and sustained performance with a 20-watt load over 8 hours - sufficient for maintaining essential devices during outages.Usage Notes:- Indoor operation required- Cooling fan noise is noticeable- Ideal for emergency power backup- Functions with single or multiple batteries- Not weather-resistantFor those already invested in the Ryobi 40V battery system seeking emergency power backup, this inverter provides reliable performance within its operational constraints. The noise level and indoor-only usage requirements are offset by its effectiveness in maintaining essential electronics during power interruptions.
RimRider
Reviewed in the United States on January 16, 2025
This inverter DOES NOT COME WITH A BATTERY. You will need to supply the four 40Volt Ryobi batteries in order to use this inverter. Other brands of batteries, such as Dewalt, will not work with this inverter.Being only 350 Watts, this inverter is only intended for accommodating small electrical loads, such as a small coffee maker, a small TV, computer, radio, or lamp. This inverter is not for using with items that use an electrical load greater than 350Watts (e.g.: space heater; microwave; air fryer; hair dryer; toaster).This is a well-made, compact, lightweight inverter with a nice variety of features. The non-slip grips on the bottom of the inverter do a good job of securely holding the inverter in place.
George
Reviewed in the United States on April 2, 2025
Great
MzSwift
Reviewed in the United States on December 12, 2024
Tested on two different 65 inch TVs, a 150 watt personal heater and a 250 watt space heater. Performed well and accepted three different brands of 40v batteries. No oil, gas or propane to worry about. No need to go outside for power. Gives us peace of mind to have this in our stash for prolonged power outages. Gave one to my mom as well.
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