In DC electric motors, at the point where the electric current is supplied to their rotating part, two brushes (also called carbon brushes) are used. Over time, due to friction, the brushes wear out and need to be replaced. For this reason, in recent years, brushless electric motors have been developed, which greatly surpass a brushed motor.
Advantages
Due to the absence of brushes, they exhibit minimal mechanical wear and the need for maintenance is minimized.
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The chainsaw is perfect, it's worth it, it cuts incredibly and thick branches without hesitation. Don't think twice about getting it, just get it fearlessly. It has 2 batteries, one 2.6A and the other 4A which is even better. The smaller one lasts a little less, for me with continuous cutting the 2.6 lasted 1 hour while the other one lasted 1 hour with continuous cutting and thick branches, it dropped 1 level out of 3 on the battery. I use it with a pole and it's amazing!
The chainsaw is awesome in every way, I tried both a Hyundai and a China one but they don't compare in durability, quality, or price, as well as how well it fits in your hand without tiring you. I use it professionally in the mountains, I have 5 batteries 4 amp and I use it continuously for trail opening, cutting from small branches to trees that are even larger than the blade.... The set includes 2 batteries, one 2 Amp and one 4amp, the only negative is that one battery broke very quickly, it was replaced by the store at no charge and to charge 2 batteries 4amp (it has a double charger) it takes about 5 hours.... That's why 4 stars for the batteries because I bought a new battery and it was faulty again and replaced again by the store....
Well, it's my turn to say. It's not for cutting wood, of course. For light cleaning in the yard, it's great. It doesn't hesitate. The only downside is the batteries. If it came with a second set of batteries, you could say you did a day's work with it along with a small axe. Just with this, you can't even make a cross-shaped log in less than 2 hours.
Bought it in winter for pruning olive trees.
I immediately changed the chain, the small battery lasts for 3-4 trees and it lacks power, the large one (5mah) is fine but it takes a long time to charge, the small one (2.5mah) takes 3 hours to charge, I didn't bother measuring the time for the large one.
It works well for work, it jumps on dry wood, it's not suitable for pruning but it's very good for tree cleaning in combination with its pole (I'm always talking about olive trees).
Faults: the battery broke in the first week, the store was excellent in everything, I didn't pay anything and they sent me a new battery, but I couldn't work until it arrived. In the second week, the oil bubble broke, I definitely hit it somewhere but it's not something of high quality.
Overall, it's NOT for professional use, I bought it because of hand problems, but it is ergonomic and if someone has the ability to change elements in the batteries, then something can be done.
I think its price is higher than what it's worth.
Also, I think it's the same as a corresponding Hyundai one, and in general, be careful with the reviews!!!!