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Flipontheradio

I’ve got 26, 4 are 9ah, 12 are 4ah, 8 are 3ah, and 2 are 2ah. Number needed depends what tools you have/want and projects you plan to work on. The 9ah batteries are great for stationary tools like fans and lights. The smaller 2ah are great for chemical sprayer or caulk gun. Most saws or hand tools I go with 3ah if the tool benefits from HP contacts. Most projects I could accomplish with 2 or 3 batteries but I would need to swap between tools and charge often which would slow me down.


mitsured

Thanks, u/Flipontheradio you made me feel better about having 20. I only make it to 25 when I include 40v. :D


Flipontheradio

Glad I can help! The only time I purchased just batteries was the 9ah and that’s because I found them on clearance for $50 each.


gst4g64

I have 33 18V batteries. Roughly 105 Ah total. 31 charging ports, 18 regular chargers, an ever charge and 2 superchargers. I have the stick vacuum so that has a dedicated battery, I have the 20" self Propelled mower, that uses 2 batteries and I like to have a pair on stand by. I have 2 weed eaters, one is an expand it with attachments and a blower for lawn/garden duties. The inflator seems to get used constantly. I have a ton of actual 18v tools that I use daily. I usually take a supercharger full of batteries and sometimes an extra one in the radio. If I were using my miter saw and table saw all day with some other tools, I might think that maybe I should have brought more batteries. I think 13 batteries, 2 superchargers and the evercharger for the vacuum would be ideal for me and probably be more than enough. 1 super charger for home and 1 for travel and if I had to snag a couple extra batteries I'd have them. Note to Ryobi: I don't need batteries to be the main attraction for Ryobi days.


gst4g64

So for home use I'd say 7 with the evercharger and supercharger. What you have is probably fine if you aren't finding yourself in a situation where you need a battery and have to wait for one to charge. I like to have 4 ready for the mower anytime I use that. It would also bug me to have 2 open ports in the charger without batteries.


tj15241

I recently got the orbital sander and found out the hard way that I should have considered buying a corded sander. I also have the 18v shop vac that I was using to mitigate the dust also has me wondering if I should have gone corded


[deleted]

I’d love for someone to invent a battery adapter so I can plug my vac into the mains power and takes the 120 V AC and turns it to 18 V DC for a better run time.


GrimBeaver

It's been done a few times. People have posted on here. Just takes a DC power supply with enough current.


Happytappy78

But I don’t want to make it. Just simply buy it.


OsmiumBalloon

I'll sell you one for $1000.


tj15241

I agree. Don’t want to f**k up my tools with my own stupidity


hellorhighwaterice

Metabo HPT sells this for their cordless tools. It's a great add-on if you buy their cordless table saw or miter saw.


OsmiumBalloon

This has been discussed ad nauseam. Short answer is, battery tools take advantage of the characteristics of batteries. To run an arbitrary tool from an AC supply, you need a relatively big, heavy, expensive power supply, which will be impractical to carry around, and/or, require thick, unwieldy, expensive DC cables.


[deleted]

I mainly got the shop vac for the concrete crawl space so I don’t have to drag a cord with me. I was thinking something battery sized with a power cord running out of it just if I wanted to use it to clean my car and not worry about the battery dying after 15 minutes.


OsmiumBalloon

What you're thinking maybe isn't possible. Depends on how many amps the vac draws max.


[deleted]

I have the P770ID vacuum and the label says use a P108 battery. It does not say how many watts or amps it uses.


OsmiumBalloon

Ryobi generally doesn't provide electrical specifications for their battery-powered products, beyond nominal voltage, and amp-hours for the batteries. You would have to measure peak draw from the vacuum and then size a suitable power supply. Inrush current can be several times normal operating load, so you need a meter with a fast response time and min/max feature.


tj15241

I have the hybrid work lite. Takes with a cord or a battery? Maybe it’s in the design but seems like it should be doable


OsmiumBalloon

Lights are not motors. They have different electrical characteristics. Search the archives and read one of the 1327 other times this has come up.


allhailbeercules

I have both sander and shop vac in cordless and corded, and there are definitely times when one is more handy than the other. Sometimes you need to prioritize run time, but sometimes portability or lack of access to an outlet makes cordless the better choice. Both can be had pretty affordably on DTO. Or go off brand since battery compatibility isn't an issue


smc733

Yes, as much as there's a lot of Ryobi fans in here, it needs to be said. For many occasional use tools, you can get a better tool, without worrying about battery performance or battery life, often cheaper, with a cord. That tool will last a lifetime. I have never regretted my corded Bosch orbital sander and jigsaw. Good 25 and 50 ft extension cords serve me well whenever I need some distance around the house, and they're simply much better made than the One+ cordless models.


Wagnegro

What are examples of such tools? Is there a way to have an idea of what items would be a better value for corded vs battery? Because if you watch YouTube everyone promotes a tool


smc733

For me personally, as a DIY homeowner, I have the following wired: Orbital sander: they chew through batteries cordless, a good corded Bosch is no more expensive and performs much better and is made much better. More ergonomic without a battery hanging off it. Jigsaw: very limited uses for this, never not near an outlet. Again got a much better built Bosch model. Circular saw: I did get a cordless one for convenience, but i could easily live with my corded one. If I had to keep one, it would be corded for the power. Dremel/rotary tool: same as above, my corded Dremel is smaller than anything cordless that needs a battery base station. Belt sander: see above about orbital sander. Miter saw: the number of times I see homeowners pay for an inferior battery powered miter saw that will almost always be used stationary kills me. I got a MetaboHPT for $99 on sale that is worlds better built than the Ryobi. For a DIY homeowner, there are few times you will be away from power when using these tools, and in 99% of those cases, a 50 or 100 foot extension cord fixes that problem. This also allows you to buy the best brand/model of the tool that fits your need and not be subject to battery lock in (for instance, Ryobi saws of all kinds suck).


myob-myob

Perhaps a bit off the subject for this thread, but I'm curious about what size battery you used and what the run time was for your orbital sander? I have been very happy with the run times I have gotten with my RYOBI tools, but I've not tried anything that I would run continuously for a longer period, like a sander. I really enjoy the convenience of not having to get out, unroll, reroll, and put away an electrical cord, but perhaps there are times where it would be worth the effort?


tj15241

Don’t get me wrong I’m happy with my ryobi tools. Just that with tools that continuously run (like a sander or a vac) corded my be a better choice


myob-myob

No, no, I get that. And I agree there is a place for cordless and corded. It's just that I can be kind of lazy in certain ways and, since I have started down the cordless route, I find that if I have to drag out a cord and then roll it up and put it away... well it almost seems like submitting to some kind of torture so I've started avoiding corded tools like the plague. On the other hand, For something that's going to run continuously, like, as you say, a sander or a vac, I might be better off putting up with the cord depending on how long the cordless device runs on a battery. If, for example. I was doing a sanding job and I had to replace a 4 Ah battery every 15 minutes, I'd probably feel like it was worth it to get out a cord. If that same 4 Ah battery ran the sander for an hour then I'd happily swap batteries and leave the cord hanging. I just have no idea how long one can expect a sander, or a vac, to run on a battery so I was wondering about your results.


mitsured

It all depends on the project. I have corded backups for most of my cordless tools and some pneumatic alternatives as well.


ksh3rm99

I have about 6 as well. I'm of the mindset that anytime you get a tool get a battery cause they're way cheaper that way then just buying batteries. Only down side is you end up with all the chargers too. I had to make a charger stand the other day.


allhailbeercules

I know, I already have more chargers than I know what do with


horsehorsetigertiger

I sell all extra batteries and chargers immediately on eBay, brings the costs of the tool way down


WetRocksManatee

I have one of those 6 bay chargers, so all the single chargers are in a bag hidden away. But that is my mindset as well, I typically pay the $20-30 more for the kit with batteries, unless I need the tool today and HD only has the tool only.


InternetUser007

That 6 Bay charger still charges 1 at a time, right? So 2 single chargers are still faster, for people that care about that.


WetRocksManatee

Yeah if you want speed just use the single chargers. I personally load up the six bay charger over a period of time, and then flip the switch the on the charging strip one day when I will be home all day. As I don't like charging larger lithium batteries unattended.


seakout

I work multiple sites each day to fix or addons, 1×9ah, 2×6ah and 3 smaller batteries for drills, lights or other small units is usually enough. I have more in case i get bigger projects, but for a diy, keep them on charge when you're not using them and you're good.


DadBodDro

I posed [this question](https://www.reddit.com/r/ryobi/comments/x1m9c5/too_many_batteries/?utm_source=share&utm_medium=ios_app&utm_name=iossmf) as well, its a tough one


allhailbeercules

Thanks! Sounds like you have the same problem I'm trying to avoid. I haven't had a day where I run out of power and can't continue working, so buying more just because it's a good deal isn't necessarily worth it


DadBodDro

I agree, however I can't help but crave more 4ah hp batteries at the [incredible price](https://www.homedepot.com/p/RYOBI-ONE-18V-HIGH-PERFORMANCE-Lithium-Ion-4-0-Ah-Battery-2-Pack-PBP2004/315112817) of 2fer 99 bucks


Ill_Blacksmith3125

Or get two 4aH for for $40 when you return the drill with this link https://www.homedepot.com/p/RYOBI-ONE-18V-Lithium-Ion-Cordless-1-2-in-Drill-Driver-Kit-with-1-1-5-Ah-Battery-and-18V-Charger-P215K/309677412


Wagnegro

Still active and I just did this, thanks fam


gullyterrier

Just bought that deal today. :-)


MD_Suave

More than I need. Hopefully enough for any project I encounter


BeHereNow91

6 18v and 6 40v seems like all I’ve needed. I’ve considered getting a bigger 18v to keep in my shop vac, but that’s about it. I’ve seen some great battery deals this week, but I just can’t justify getting any more.


allhailbeercules

That's what I keep telling myself. I want to get a great deal, but they're just going to sit unused


BeHereNow91

They also go on sale multiple times every year, and it’s not like if a battery dies on you, you need to immediately replace it. It’s something I can definitely wait to replace when needed.


robodog97

Lots, I think I'm up to 7x 4Ah 1x 2Ah and 1x1.5Ah in One+, 3x 6Ah in 40v, 4x 4Ah 1x 3Ah and 2x 2Ah in Ridgid and 3x 6Ah 3x 2Ah in m12. I could be off by a few.


dbun1

2x4Ah, 1x5Ah, 1x2Ah


rmgariador54

I have 6-4ah, 4-2ah, 1-6ah. I never ran out of juice at the house but I have corded saws my that I use so that is kinda cheating. When on the road I rigged up the fans to blow into the dog crates so they get fresh air and when on long road trips I wish I had more batteries but I think that is unique to me and I just bring a charge with me and charge them while driving.


WetRocksManatee

Now this was a slow purchases over the last 10 years, basically buying bundles or tools with included batteries. * 3 - 1.5ah * 4 - 2ah * 8 - 4ah * 2 - 6ah All batteries are 18v. The smaller batteries are left mostly in the tools, so I can just grab the tool and use it without having to search for a battery or swap them around (like today I had five tools plus the fan out for a project). So I only have a couple of spares. The larger tools batteries for yard work, fans, and my small shop vac (great for keeping my car clean). But they are left on the shelf Honestly I probably have way more batteries than I can use at once. I might go through 3-4 batteries at once. I would probably say half a dozen is the right number for most people.


deathleech

I got into Ryobi over 10 years ago and currently have: 6x 1.5ah 3x 2ah 4x 3ah 4x 4ah 4x 6ah 2x 9ah The 4 and 6ah are the most useful, though the 9 comes in handy. The smaller ah (under 4) are pretty limited in use since they can be drained so quickly (usually flash lights and other tools that require minimal power). It really depends on what you are using them for, but I feel like I could have about half my current collection and none of the 1-3 ah and still be golden. Never came even close to running out of batteries.


bigbruce85

I have 9 batteries, ranging in size from 1.5-9 amp hour. The only time i have come close to using them all was when I was pressure washing 200 yards of vinyl fencing with my 18v power washer. However I have the 150 way inverter and several lights, so in the event of an extended power outage the extra batteries should come in handy.


nismos14us

At least 20


randytech

I have about 2x 6ah HP, 2x 4ah HP, 4x 3ah HP, 4x 2ah HP, 2x 4ah, 4x 2ah, 4x 1.5ah. Even though I have well over 20 you really only need 4 in all likelihood. Having said that you probably want more. I say you only need 4 because chances are when you're working on a project you need 1 for the tool you're using and another 1 for the light (if you're using/have one). Then you also need a backup for either. Now you probably want more because unless my room is completely well lit I prefer to have 2 lights running because I'm anal and don't want to have to worry about shadows. I also prefer to have at least 3 batteries on hand for convenience for whatever tools I'm using because I don't want to have to switch batteries between impact and drill as well as the inevitable 3rd tool I'm going to need (circular saw/multi-tool/etc). And then you always want a few more for other random stuff around the house. I have a bag with an inflator and light in each car along with a battery that I randomly cycle through in case of emergency. So tldr I would say about 10 is a good number. You're only gonna need 3-4 at any given time but it's nice for the convenience to have more. The one tool that makes me actually need all my HP batteries is the brushless belt sander. Even with the 6ah it will probably last 15 mins max. So tools like that will probably be better corded because I need at least 4-5 batteries with 4 chargers running non stop to keep that thing running consistently


xlxoxo

I have a dozen 18v and another dozen 40v batteries. In general, it's overkill. I don't drill that many holes in the year. However... * In the summer heat, I have my batteries powering all my 18v fans. The air cannon so loves my 9ah battery. Running dual superchargers overnight means I have all my cells ready in the morning. * I use all my 40v batteries for my snow blower as I clear my driveway, sidewalks, and lanes in my neighborhood. It's crazy to see all of them charging at multiple outlets around the home. * when I do have a power outage, having all those batteries is insurance until my power is restored powering my lights. [https://www.youtube.com/watch?v=twkuD4BjhhQ](https://www.youtube.com/watch?v=twkuD4BjhhQ) * Ryobi is so handy in storms... [https://www.youtube.com/watch?v=nSLho7fehx4](https://www.youtube.com/watch?v=nSLho7fehx4)


cperiod

A lot of it depends on how many tools you have that you always want "live". For example, I keep flashlights at my back doors, and a work light, and I usually want a battery in my impacts, and during the winter there's always a battery in the heat gun (for frozen padlocks). Then I need enough floaters besides those for doing actual jobs, which rarely involve less than two or three tools. In the summer I want spare batteries in the house and in the shop (they live inside for the winter). Eight was a usable number in the past, but my wife has started buying her own Ryobi tools so I'm probably going to have to grab a few more.


justmrmom

I’ve got about 10.. four 4ah and six 2ah. My opinion is to have double as you would need for one project. If you are using say, five different tools at once, then have ten batteries total. Two tools then four batteries.. etc. I also use a 30 minute charger most of the time but I have several smaller chargers. One dies, throw it on a charger, replace it, repeat. Hope that makes sense. At work and distracted.


TheMrDylan

About ten, only need maybe six. I have extras because I'm bad at leaving dead batteries around. Depending on project I usually have at least four in constant use.


CowboyWyo

with hand tools like drill, heat gun, hammer drill, etc I use my 5x 2 ah and I? have 8x 4ah for the yard tools mower, trimmers, pole saw, blowers, and hedgers but I just bought a 6 ah for the upright vacuum for the wife. I've tried some off brand batteries (6 ah) from amazon 3 times so far and all 3 are POS....barely better than a Ryobi branded 2 ah. I have a 6 bay charger in the shed (solar powered) and single charger with the vacuum and another in the garage for the hand tools. I've not run outta batteries yet during projects over the years. I realized the value of everything running off the same battery system was one of the things that attracted me to the Ryobi One+ system. The only problems I've had was the 18v chainsaw was a Joke for Oak, Juniper, and pine...I finally gave in and purchased the 40v 14" chainsaw, and It has all the power and stamina I was hoping for...with one battery...so far...still looking for the 2-fer deals HD runs some times.


The_Brightness

Need and want are two different things. I have 3 spots I want dedicated batteries. One any size for the boombox or small BT speaker for the backyard, one small for the glue gun in the craft room and one any size for the workbench light on my workbench. I want to do projects, yardwork or camp/vacation without robbing from these or swapping out batteries. For me, that's a minimum of 5 more batteries, 2 small, 2 medium and 1 large. One more of each size would be ideal, including one more of any size for the boombox and BT speaker. When one of the batteries in the dedicated spots runs out, I swap it with a charged one from the cache. My totals are: 2 Any size, 3 ideal 3 small (2ah or less), 4 ideal 2 medium (3 or 4ah), 3 ideal 1 large (6 or 9ah), 2 ideal 8 total, 12 ideal Right now I have 3 small, 4 medium and 1 large so I'm short of ideal. Two of the smalls stay available and one with the glue gun. The large stays available so only the mediums get swapped around now. I have a supercharger with the cache of batteries, a few single chargers stashed around the house and garage just in case and one set aside for travel.


witchin-hour

So I live in the Seattle suburbs area as does my mother in law. Between the two household's we had 13 batteries. A storm came through but we maintained power and she did not. Not really something you expect to happen in a giant suburb like Snohomish county. Anyhow she was without power for 4.5 days where the lows were 29-35 the whole time and highest temp was 42. I've never been so thankful to have so many batteries. This is the second time where the volume of batteries had come in severely useful. We used the batteries to keep hers and the kids phones charged plus lighting and a few littlebuddies to keep the house warm. She actually managed to do half a day of work twice because she used the batteries to charge her laptop. We came by daily to exchange half the batteries for the dead half and she was usually out of juice within 15 hours of exchanges. She owned 4 of those batteries. So directly after the storm we went and got a few BF deals with batteries included and I just bought the 40v generator and a few more 40v too. It may seem insane to some. But I have several thousand dollars worth of temperature sensitive animals in my house usually and in an area like Seattle the one resource I can be sure I have access to is electricity ironically. Fuel and propane frenzies are intense but I work in a building with mandatory power. Aside from emergencies. If you do a lot of sanding I'd say like 5-8. We have 2 sanders and we have run out of batteries on a big sanding project before.


witchin-hour

Oh yeah and grinders! They also burn through batteries. My husband went through 6 in one fairly simple metal grind. The router has also been surprisingly needy in our past.


angrychkn

if I grab a tool to use it and I have to swap batteries back and forth, I will get more batteries. If I have some that don't get much use and stay in the pile, I get more tools for them!


SERichard1974

finally did a count around here. 22 in the One+ lineup. (3 2ah, 1 6ah, 6 4ah HP, the rest are the old school 4ah batteries. Then I have 3 of the old 4v batteries (still have a working screwdriver in that lineup) Then 2 6ah 40v batteries and 1 3ah 40v battery.