I’ve had a few of these over the years, they work ok but the construction quality feels really cheap. I’d love to find a good solid feeling one
I have an eLeaf battery that has served me for years when most of the crap I’ve had before it only lasted weeks.

Seconding ELeaf. I got a ELeaf iStick mini in 2016. The battery still technically works, but the screws holding the case together wore out.

I replaced it with the full sized iStick in 2020-2021. Works great.

I have noticed the casing is getting a bit looser. But I have a hex screw driver set small enough to tighten the screws up.
Oh I kept tightening them until the screw holes wore out. Then I just got the bigger version.
Pulsar makes a decent one and the carts hides in the stem. Holding mine right now, had it since September. Still working good