New Makita Battery (Bl1830 18V Lxt Li-ion 3.0ah)

Makita Lithium-Ion Batteries
Charging Technology: Rapid Optimum Charger communicates with the battery's built-in chip to optimize battery life by actively controlling current, voltage and temperature; And has a built-in fan to cool the battery to produce more lifetime work. (Charger not included)
More Work: LXT Lithium-Ion batteries and Rapid Optimum Chargers produce 430% total lifetime work with 2.5x more cycles than Ni-CD batteries.
Faster Charging: 18V LXT Lithium-Ion Batteries charge in 30 minutes.
Less Weight: LXT Lithium-Ion Batteries weigh 40% less than Ni-CD.