Temu sells replacement batteries to use with no adapters.
These are not compatible with nickel metal hydride batteries,
which have different electrical contacts.
Amazon sells adapter to use
new 20 volt Black n Decker lithium ion batteries
on tools previously designed for 18 volt nickel cadmium batteries.
If you buy any 20 volt tool with two batteries,
you can run any of these tools with the adapter.
Black and Decker 18 volt Weedwhacker $40
Hedge trimmer $40 best tool ever for battery runtime.
Leaf blower, excellent for sweeping floors - not much dust $40.
pole saw $60 Great saw to stand on roof and cut dead tree 🎄 branches .
No batteries included tool only.
You can find battery on Amazon / or generic Chinese knock offs.