Never try to charge two Ryobi Li-Ion batteries in series or parallel (this means no putting any dual adapter in a 18v or 40v charger) as damage to the internal Battery Management System (BMS) or the ...
The one I got was the RYOBI 40V HP Brushless ... I use the other battery for cleanup. Each battery lasts approximately 15 minutes. Cutting larger trees with this chainsaw would require more batteries.
To power the unit, Ryobi supplies a 40V Lithium-ion battery and its corresponding charger. Another useful accessory provided is the mulching plug, enabling a swift transition to the mulching mode when ...