Powerextra 2 Pack Brand New Rechargeable Replacement Makita 18v 4500mAh Lithium-Ion Battery for Makita 194205-3 LXT-400 BL1830 BL1815 BL1835 Li-ion battery, 4.5Ah Capacity, 18V made with high quality LG 18650 cells Built-in memory chip memorizes the usage history and communicates with the charger The only Authorized Dealer of the enhanced version of Makita 1830 battery in Amazon The package includes 2 batteries. Ships in 1-2 business days. Ships from CA, United States.