Excellent tool for 1.5 acres that I use around the house. You throw away its head-trimmer and take a Universal one. I got one from Total and it works like a charm, with 2 batteries of 5Ah.
Approximately 45min autonomy. If the grass is tall, it may struggle to calculate less autonomy.
With the disc, you have a perfect shredder.
You get rid of gasoline and oils, noise and mainly exhaust fumes. It does not have angular transmission, so logically there should be no damage.
Not suitable for fields unless you have 3 or 4 pairs of batteries .....

It doesn't even cut grass, disappointment for the p20s series by Total, satisfied with other tools in the series