How long does the battery last?

Up to 40 minutes with both 4.0Ah batteries (about 20 min each); fast charger included.

Is it suitable for seniors or women?

Yes. At 4.5 lbs with an 11-position handle and a 41.7–56.3 in adjustable shaft, it suits users with limited strength.

Do I need to bump the head to feed line?

No. The spool auto-feeds every time you start the machine. You can also press the manual line release button for manual line advance anytime (The button is located on the rotating head.) .

Can I replace the line?

Yes, uses standard 2mm line, user-replaceable spool.

We also sell it separately.

What should I not use it for?（negative targeting）

Not recommended for woody brush or saplings — as a 2mm dual-line trimmer, it's built for grass and weeds, not wood. Use a brush cutter for heavy clearing.