Author Topic: Which batteries do I need for TSC55?  (Read 2140 times)

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Offline pgrbff

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Which batteries do I need for TSC55?
« on: June 25, 2022, 08:44 AM »
I have two 3.1 18V batteries, will the TSC 55 operate with this capacity at 18V and 36V?

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Offline Paul_HKI

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Re: Which batteries do I need for TSC55?
« Reply #1 on: June 25, 2022, 09:10 AM »
I have two 3.1 18V batteries, will the TSC 55 operate with this capacity at 18V and 36V?


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Offline Chris Wong

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Re: Which batteries do I need for TSC55?
« Reply #2 on: June 29, 2022, 11:10 AM »
I have two 3.1 18V batteries, will the TSC 55 operate with this capacity at 18V and 36V?
Somebody please correct me if I'm wrong, but the TSC 55 will run on any one or two non-Ergo batteries and the Ah rating only affects the amount of energy stored in the battery which translates to the runtime. I believe that you will be fine using your two 3.1Ah 18V batteries, but will be charging them more often than with batteries with higher Ah ratings.
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Online Cheese

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Re: Which batteries do I need for TSC55?
« Reply #3 on: June 29, 2022, 12:47 PM »
I've operated my TSC with a single 15V 3.0A battery. However the blade speed is slower and obviously the battery doesn't last very long.

Offline pgrbff

  • Posts: 18
Re: Which batteries do I need for TSC55?
« Reply #4 on: June 29, 2022, 02:48 PM »
I have two 3.1 18V batteries, will the TSC 55 operate with this capacity at 18V and 36V?
Somebody please correct me if I'm wrong, but the TSC 55 will run on any one or two non-Ergo batteries and the Ah rating only affects the amount of energy stored in the battery which translates to the runtime. I believe that you will be fine using your two 3.1Ah 18V batteries, but will be charging them more often than with batteries with higher Ah ratings.
That's what I thought. The voltage is still 18V or 36v, only the amount of stored power changes. I have since read on the Festool site that the 3.1 Ah are not suitable. I suspect they might work anyway.

Offline Paul_HKI

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Re: Which batteries do I need for TSC55?
« Reply #5 on: June 29, 2022, 04:56 PM »
If you want the saw to work as designed, you need 4Ah and up.


I don't see any point in trying to run a relatively expensive power tool in a configuration that's not only sub-optimal, but specifically stated to be unsuitable by the manufacturer of the tool and the batteries.


Will it cut?  Yeah, sure it will.  But I wouldn't mess about when Festool say the 3.1's aren't compatible/suitable.



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Offline jonnyrocket

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Re: Which batteries do I need for TSC55?
« Reply #6 on: June 29, 2022, 05:10 PM »
@pgrbff there is an often overlooked aspect of batteries, that also matters here and that is how much current they can deliver instantly (know as discharge rate). This is going to be very different between the 3.1, 4.0 and 5.2 Ah batteries. 
If the 3.1 Ah batteries aren’t able to deliver enough instantaneous current as the saw is cutting, the blade will bind and stop.

So as others have mentioned, if you want the tool to perform as it was designed to perform, stick with the 5.2 or 4.0 batteries at a minimum.  Down the road this recommendation could change as new cells and batteries are developed, but for what’s available today, this is the recommended way to power the tool. 

Offline SRSemenza

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Re: Which batteries do I need for TSC55?
« Reply #7 on: June 30, 2022, 01:02 AM »
I have always told people that the TSC55 won't run (at all) on the 18v 3.1 batteries. Because when I put them on my saw it won't run at all.

Are those here who are saying that it will run, but slower, just assuming that is the case? Or have you actually tried it and had it run?

The reason I wish it would work is so that I could have only the one size 3.1 18v battery in my site work set up.

Seth

Online Cheese

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Re: Which batteries do I need for TSC55?
« Reply #8 on: June 30, 2022, 01:54 AM »
I have always told people that the TSC55 won't run (at all) on the 18v 3.1 batteries. Because when I put them on my saw it won't run at all.

Are those here who are saying that it will run, but slower, just assuming that is the case? Or have you actually tried it and had it run?

The reason I wish it would work is so that I could have only the one size 3.1 18v battery in my site work set up.

Seth

Well the old 15V batteries do work, I was forced into this scenario when i was mobile without any 18V batteries. I only had the C15 and the TSC with a couple of 15V, 3.0 batteries. I only needed to cut some short 3/4" ply pieces and it worked...it got me out of a jamb.  [smile]

Would I recommend this as a normal work-around, probably not, just a data point as to what your options are. Would I go with the new 18V 4.0 batteries...probably not...better to have the 5.2's or 6.2's instead. Then again I'm a throwback to the 396...427...454 days...a 396 is close to being a mouse motor.  [smile]

The 15V batteries also work in the new TSC-K version.

Offline Summerson

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Re: Which batteries do I need for TSC55?
« Reply #9 on: June 30, 2022, 03:45 PM »


I never got my TSC55 to start with the 3.1 Ah batteries

Online GoingMyWay

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Re: Which batteries do I need for TSC55?
« Reply #10 on: June 30, 2022, 04:38 PM »
Here's the video you were trying to share:

You need to use the full URL (youtube.com) and not the shortened URL (youtu.be) in order for the video to load properly on the forum.
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Offline Richard/RMW

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Re: Which batteries do I need for TSC55?
« Reply #11 on: June 30, 2022, 05:42 PM »
Possibly a circuit in the newer batteries specifically to prevent them from being used, something older non-Bluetooth batteries do not have?

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Online Cheese

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Re: Which batteries do I need for TSC55?
« Reply #12 on: June 30, 2022, 06:47 PM »
Possibly a circuit in the newer batteries specifically to prevent them from being used, something older non-Bluetooth batteries do not have?

That’s exactly what I was thinking Richard…

Offline pgrbff

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Re: Which batteries do I need for TSC55?
« Reply #13 on: July 06, 2022, 01:18 PM »
Thank you all. I have only recently moved to Festool cordless. Having ordered the 18V impact drill, which came with 3.1Ah packs I was hoping I wouldn’t need bigger packs for the saw. If I’d known I would have asked the question before buying the drill, but it’s always easy with hindsight. Have bought two 5.2 packs for the saw.

Offline Crazyraceguy

  • Posts: 1891
Re: Which batteries do I need for TSC55?
« Reply #14 on: July 06, 2022, 06:49 PM »
Back when the Makita 18v LXT stuff first hit the market, they had far fewer tools. The first ones were all 3ah battery. After a few months, they released a more "home owner" oriented drill and driver with 1.5ah batteries, at a reduced price. They were white/black instead of the usual Makita blue, but otherwise very similar. I decided that I liked the smaller/lighter batteries better, so I used them with the blue impact too.
What I found out over time was that there was a difference in the batteries themselves. There was a little tab inside the sliding grooves of the tools that was different on the tools that needed the higher amperage. The smaller batteries would not fit in them. The big 1/2" hammer drill, 6 1/2" circular saw, and a few years later the jigsaw would not take them, yet because of the way this groove works, the bigger batteries would fit anything.
This was all more than 15 years ago, now battery amperage has gone crazy and they are stacking batteries to get 36v too.
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