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popularMustinger posted May 18, 2026 01:05 AM
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popularMustinger posted May 18, 2026 01:05 AM

40V Ryobi 300-Watt Portable Battery Inverter Power Source (Home Depot In Store) $50 YMMV

$50

$99

49% off
Home Depot
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I was at my local Home Depot and noticed the RYOBI
40V 300-Watt Portable Battery Inverter model RYi300BM on sale for $50. This price is pretty good for these units especially if you are already invested the Ryobi 40v tool system. The picture shows $129 for regular price but is regular $99 online.

https://www.homedepot.com/p/RYOBI.../308736685
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I was at my local Home Depot and noticed the RYOBI
40V 300-Watt Portable Battery Inverter model RYi300BM on sale for $50. This price is pretty good for these units especially if you are already invested the Ryobi 40v tool system. The picture shows $129 for regular price but is regular $99 online.

https://www.homedepot.com/p/RYOBI.../308736685

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16 Comments

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May 18, 2026 02:40 AM
2,133 Posts
Joined Nov 2006
fsx100May 18, 2026 02:40 AM
2,133 Posts
YMMV. None in my MA area..

PS, already have 2x of these and the 1800W Power Station. They come in Handy during power outages...
May 18, 2026 02:52 AM
32 Posts
Joined Nov 2015
ponicatthediscoMay 18, 2026 02:52 AM
32 Posts

Our community has rated this post as helpful. If you agree, why not thank ponicatthedisco

These first gen inverters don't allow the 40v batteries to be charged with this version. The recently released upgraded version that allows solar charging (usb c) or wall charger via usb c Same maximum 300w output via AC, usb c, and regular usb. Cannot charge and output at the same time, but still a great upgrade that might be worth it for the charging.
I used the first gen inverter without issues for over the year. Invested alittle more into solar recently, and the new ones have been great charging multiple batteries for my 40v set without any noticeable impact on battery performance.
Last edited by ponicatthedisco May 17, 2026 at 07:56 PM.
1
May 18, 2026 03:46 AM
1,321 Posts
Joined Apr 2006
jesterfxMay 18, 2026 03:46 AM
1,321 Posts
Quote from ponicatthedisco :
These first gen inverters don't allow the 40v batteries to be charged with this version. The recently released upgraded version that allows solar charging (usb c) or wall charger via usb c Same maximum 300w output via AC, usb c, and regular usb. Cannot charge and output at the same time, but still a great upgrade that might be worth it for the charging.I used the first gen inverter without issues for over the year. Invested alittle more into solar recently, and the new ones have been great charging multiple batteries for my 40v set without any noticeable impact on battery performance.
Have you tried the solar charging yet by chance? I'm curious but suspicious that it can generate enough from small solar panels to do much in the way of recharging in a reasonable amount of time. But that's based on zero knowledge of solar lol and really in the end, having it on there is still useful for complete access lasting outages. Just feels kind of gimmicky so I'm curious if I'm just completely wrong.
May 18, 2026 07:59 AM
128 Posts
Joined Mar 2016
azzkikronuMay 18, 2026 07:59 AM
128 Posts
Damn, and I just paid off my Home Depot balance.... Tempted 🫣😫
May 18, 2026 11:16 AM
52 Posts
Joined Mar 2017
RichNicheMay 18, 2026 11:16 AM
52 Posts
Quote from azzkikronu :
Damn, and I just paid off my Home Depot balance.... Tempted 🫣😫
That's how they get you.😔
May 18, 2026 03:04 PM
246 Posts
Joined Feb 2008
dgt02May 18, 2026 03:04 PM
246 Posts
Full price $99 & $220 for a 6 Ah 40V battery you're talking $319. For a little more you can get a 2500W inverter gas generator that is easy to store and cheap to run and can run a lot longer.
https://slickdeals.net/f/18581878-powersmart-2500-watt-portable-gas-inverter-generator-amazon-329?src=SDSearchv3&attrsrc=Thread%3AExpired%3AFalse%7CSearch%3AType%3Anormal%7CSearch%3ASort%3Arelevance%7CSearch%3AHideExpired%3Afalse
No worries about lithium battery fires too.
https://m.youtube.com/watch?v=tv6L_E_rufk
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May 18, 2026 03:21 PM
808 Posts
Joined Mar 2005
BrianHSVMay 18, 2026 03:21 PM
808 Posts

Our community has rated this post as helpful. If you agree, why not thank BrianHSV

Quote from dgt02 :
Full price $99 & $220 for a 6 Ah 40V battery you're talking $319. For a little more you can get a 2500W inverter gas generator that is easy to store and cheap to run and can run a lot longer.
https://slickdeals.net/f/18581878-powersmart-2500-watt-portable-gas-inverter-generator-amazon-329?src=SDSearchv3&attrsrc=Thread%3AExpired%3AFalse%7CSearch%3AType%3Anormal%7CSearch%3ASort%3Arelevance%7CSearch%3AHideExpired%3Afalse
No worries about lithium battery fires too.
https://m.youtube.com/watch?v=tv6L_E_rufk
Perhaps you didn't notice the part of the OP that said:
Quote :
especially if you are already invested the Ryobi 40v tool system
Many of us have a large number of these batteries, so there is no additional cost of $220 (and anyone remotely familiar with Ryobi would never pay that amount for a battery).

Additionally, it's funny that you're recommending a combustion engine to avoid the risk of fire.
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Pro
May 18, 2026 03:48 PM
7,003 Posts
Joined Nov 2017
Slick_Drone
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May 18, 2026 03:48 PM
7,003 Posts
All I'm getting is the out of stock product page. Was hoping to see if they'd have a "your store" clearance price.
Pro
May 18, 2026 06:14 PM
73 Posts
Joined Dec 2019
Jiggy82
Pro
May 18, 2026 06:14 PM
73 Posts
We still have it in stock in our store. However, this one does not work with the sump pump. I was really hoping that it would have worked with it. What a bummer?
May 18, 2026 07:18 PM
315 Posts
Joined Apr 2012
jeremylh56May 18, 2026 07:18 PM
315 Posts
300 watt is not much
1
May 18, 2026 09:12 PM
246 Posts
Joined Feb 2008

This comment has been rated as unhelpful by Slickdeals users.

May 18, 2026 09:14 PM
246 Posts
Joined Feb 2008
dgt02May 18, 2026 09:14 PM
246 Posts
Quote from Slick_Drone :
All I'm getting is the out of stock product page. Was hoping to see if they'd have a "your store" clearance price.
Same here.
Yesterday 01:22 AM
920 Posts
Joined Jun 2003
Kentay305Yesterday 01:22 AM
920 Posts
Found in 85138...regular price online... In store 50.00
Yesterday 02:02 AM
329 Posts
Joined Dec 2014
Darkside2984Yesterday 02:02 AM
329 Posts
Got this several months ago at a similar price. Works great but needs airflow to work or it will burnout. There is a fan that runs intermittently and the fan gets blocked if there isn't clearance. Recommend on a counter or bare floor and not carpet or earth if you use this.

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Yesterday 04:45 AM
32 Posts
Joined Nov 2015
ponicatthediscoYesterday 04:45 AM
32 Posts
Quote from jesterfx :
Have you tried the solar charging yet by chance? I'm curious but suspicious that it can generate enough from small solar panels to do much in the way of recharging in a reasonable amount of time. But that's based on zero knowledge of solar lol and really in the end, having it on there is still useful for complete access lasting outages. Just feels kind of gimmicky so I'm curious if I'm just completely wrong.
My larger 200w solar panels are 30voc, which may exceed the limit, and the autoprotection prevents charging. My 30w with built in controller, usb c / usb / 5521 plug doesnt seem to have enough power for the 40v, but slowly charges my 18v inverter/charger. I heard it works well with a ryobi panel (which i believe are rated up to 60w?) works well for all of their charge capable inverters. I don't think it's worth investing solely on the solar capabilities, but using an set up with 200w x 2 solar > mppt > 12v100ah lipo4> inverter > usb 100w gan pd charges it well. Its great to charge while driving and connected to a usb c pd. Great for charging those 40v batteries on the go. I can try to test with a lower voltage with a usb c adapter and give an update.
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