The WORX WA3601 consists of a 20V 2.0Ah MAX Lithium-ion Battery and Charger. Suitable for all WORX 20V Powershare™ battery tools so you can conveniently switch batteries between tools, and never be short for power. Powershare Platform - interchangeable with all WORX 20V tools, so you can switch batteries between tools saving time and money