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Testing Different Batteries for High Demand Pruning Saws
Pruning saws require a lot of voltage and can have several cutouts, especially when pushed into harder wood. To test this theory, the Power Stack team performed tests with various battery types to determine the best option for a high demand pruning saw.
Starting with the Mini Power Stack, the team worked their way up to the 9 amp hour Flex Volt battery to see what voltage each battery would hold and at what point the saw would cut out. They used two wires to test the voltage out of each battery, making a cut without pushing and then pushing the saw to see what would happen with the battery.
Interestingly, while there was a significant voltage difference between the small power stack and the 9 amp hour Flex Volt battery, there were still a lot of cutouts. These were anywhere from 16 volts up to 19 volts at the top. This tells the team that there is something inside the pruning saw that is having it turn off as a safety feature or in a kickback feature.
The Power Stack team discovered that it’s not necessary to have a large battery to use a pruning saw effectively. The issue is that the tool isn’t going to need a huge battery to do the job, and especially when avoiding hardwoods like what they were cutting. They were cutting slightly larger hardwoods than perhaps what the pruning saw would typically be used for, but the test results still proved useful.
The test also brought up the question of right tool, right battery. We talk about this all the time – don’t use a small battery on a high-demand tool. This 5 amp hour battery is borderline as to what we would suggest using on a high-demand tool.
In conclusion, the Power Stack team recommends testing various battery types to find the best option for your specific needs. It’s clear that different batteries hold different voltages, and it’s essential to get the right battery to suit your tool’s requirements.
As upcoming tests will include voltage, runtime, and heat, be sure to hit that subscribe button and notification bell to stay informed on the latest updates.
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Please Note – The wood used is Black Locust. The chain is razor-sharp. If I would have used a soft wood the saw would have cruised right through and voltage drop would have been minimal. My thought was to grab the hardest wood I have around to show the voltage sag (amp draw) and with this small saw it struggled. The Dewalt pruner has a faster chain speed and less torque.
Does someone knows if is possible to use a bigger blade and chain in this mini chaimsow? (the dewalt DCCS623L1)
Gracias por el video, pero no me parece un text fiable.
Aunque sea una cadena nueva, se va desafilando a medida que se va cortando, aun más al ser una madera dura.
Where did you get the saw? I only see pre order for bare tool or backorder for kit.
To my knowledge, Dewalt puts their battery protection in the tools so any over current cutouts would be in the tool not the battery**. Re-running the tests with a more consistent cut pressure (see how Project Farm runs his chainsaw tests) might create better results.
** This is why you shouldn't use cross-manufacturer battery adapters.
It's a great saw for pruning smaller branches and small overgrowth but for anything bigger I still break out the gas. For only a few cuts, even the 2ah battery works well enough. It would be nice if it were easier to use left handed though.
you should measure the amp draw over time while monitoring the battery temperature for such comparisons; voltage drop is not that relevant in this case
You’re not actually supposed to push into the wood with any chainsaws, it should be sharp enough to pull itself into the wood. This little saw isn’t supposed to be used for cutting big wood , it’s for pruning and for that, it’ll work fine.
That 5ah power stack is awesome
I agree, its seems to cutout due to the stall protection in the motor circuit. I have the M12 angle grinder and it does the same thing with any battery, especially because I'm trying to use it for too heavy of a job.
Another great video Srry bust ur chops on last video
If u ever seen videos were they put 20$40$ amazon drill against each other
MEANING CHUCKING TWO BITS TOGETHER SEEING WHICH ONE MORE POWER FULL ends up with them smoking and biting up the tool
this video explains we’re all are money is going
Into safety features in protecting the tool
Any time the tool feels it could cause damage it times it self out
If all those nanny’s were turned off chances are that 8 ah battery would if ripppped
And u would had a smoked saw
Why big tools can handle the 300lb grorlla hanging on them and not cut out
Tool company programmed not to cut out and hand it
Lol
Guse alls I’m saying is
Tool company knows best we’re only holding on for the ride
Man this saw update be a perfect gift for someone who has a lot of dewalt tools and doesn’t have a lot of wood to cut or yard to trim up, im sure this would be good with cutting small trees up too
I’m a dewalt guy but does battery’s power stack don’t work they don’t run for long periods of time
you got enough bar oil
The cut out is always the tool, period. It's a motor controller stall cut out. Stronger batteries cut out less because the voltage stays higher producing more torque and lower chance of a stall. The other type of cut out from the tool would be motor driver over current. The final type of cut outs are thermal overload, they could occur in tool or battery.
Will you be taking a look at internals soon, to find what is triggering the tool to stop spinning? Maybe there's some weight savings to be had?
Or if it's just a temp trigger maybe test in colder environment or with fan on the tool.
I'd get 60V tools for serious gardening, but good to see powerstack is not just marketing BS
I am disappointed to see all these cutouts with all the batteries tested. I wasn’t expecting such consistent cutouts, regardless of the battery used and the species of wood cut.
If you want to get power from dewalt you need to get the 60v line up otherwize it will be underpower the 20v dewalt is underpower home owner use.
Seems like those cutouts may be for safety you know when the chain gets caught.
Really appreciate all the testing you do excellent video!
Awesome video! I would like to use this small chainsaw for small carwing… But those cutouts are very anoing, don't like that at all.
Motor temperature protection?