Oh and a brushless cordless saw for my ozito batteries that I used to cut through a 200L plastic drum that is now in halves. I saw that they have 8AH batteries and part of me wonders how much better it can get since I've only got 4AH batteries.
The bulk of my Ryobi cordless tool batteries are 4Ah. But I also have some that are smaller and one that is larger. In the Ryobi line of brushless tools, a larger battery can provide more power as well as a longer run time.
I really want to try out their brushless angle grinder as I have an old cordless dewalt version that is on nicads? it's 1.5ah and it chews through the charge.
I think it's well over 10 years since I had a Ni-Cad battery. I had a handful of 1 Ah Ni-Cads and they did not last very long on the power hungry tools, like your grinder, a grass trimmer, chainsaw, etc... Fortunately for me, Ryobi kept the same battery stem format when they moved from Ni-Cad's to Li-Ion batteries. So, my old Ni-Cad Ryobi era tools work even better, and have a longer run time, with the new Li-Ion batteries.
I get more excited than those bloody mites waiting for their sugar hit at the thought of an angle grinder on a 8AH battery!
If you use the grinder a lot, then I imagine you will really like the larger 8 Ah battery. When I use my grinder, it's usually only for a small job, so I grab even my smallest 1.5 Ah battery. I do have one 9 Ah battery that I use in my chainsaw and electric mower. There, the longer run time is really an advantage because those tools are power hungry.
I have been in the Ryobi One+ line of 18v tools for about 20 years. Over that period of time, I have accumulated a collection of batteries. Ryobi has those special Ryobi Days deals every year where you buy a tool, get free batteries, or buy some batteries, get a free tool. Also, most of their tool kits come with batteries. Last count, I had 43 batteries to maintain and rotate to keep fresh. I built a couple small shelves out of some scrap pallet wood to hold the batteries so I can easily track which battery should be used next....
When I took that picture, I had another 6 batteries on my 6-port SuperCharger and a few other batteries on individual chargers.
I know some people ask if I really need that many batteries, and the obvious answer for is, no, I don't need that many batteries. But I never bought an individual battery for retail price. They all were packaged in tool kits and/or freebies given away if you buy a tool. My Ni-Cad batteries died years ago, but the Li-Ion batteries you see on those shelves last a long time as long if you properly maintain them by rotating their use and periodically recharge them. My 15+ year old Li-Ion batteries still have about 90% or more of their original capacity.
At any rate, I have more tool batteries to work much longer than I can these days. I never have to stop work because I ran out of tool batteries! Unfortunately, my internal batteries are getting old and they need to be recharged more frequently these days. I work a little, rest a lot, and eventually the project gets finished in its own time.
