This lawn mower includes (4) 18V LXT lithium-ion 4.0 Ah batteries and 1 dual-port charger. The batteries feature impact-resistant outer cases and shock-absorbing inner liners that are engineered to protect the batteries and ensure they remain securely attached to the mower. They also feature LED charge level indicators. The charger allows the batteries to reach a full charge in just 40 minutes. This item is only for use with Makita batteries and chargers.