2x Makita Lithium Ion Genuine Battery 18v 3.0Ah
This pair of lithium-ion batteries comes with built-in memory chip that memorizes the usage history and communicates with the charger. Lithium-ion batteries have no memory effect and can be charged at any time. With charging technology, you can control the current, voltage and temperature to maximize battery life. It weighs 40% less than Ni-MH or Ni-Cd batteries!