One owner reports these outdoor packs swap in both directions, including chargers.
Watch out: Based on a single owner report.
| Brand and line | Voltage | Sold at | Membership | Notes |
|---|---|---|---|---|
| Giantz 36V outdoor | 36V | Kogan | Reported | |
| YardForce 40V | 40V | – | Reported |
Voltage labels differ by market: many “20V max” packs are the same nominal 18V pack.