Makita Genuine BL1850 18V 5.0Ah Li-Ion LXT Battery Pack of 5

The demanding applications you take on every day are also demanding on your cordless tools and batteries. You rely on your tools, so Makita created STAR Protection Computer Controls. STAR Protection is communication technology that allows the tool and battery to monitor conditions and exchange data in real time to protect against Overloading, Over-Discharging and Over-heating. Look for Makita tools and batteries with the STAR and get these protection features. The Li-ion range delivers 430 more working capacity during its lifetime compared to Ni-Cad and is 40 Lighter than Ni-MH.The Li-ion has minimal depletion of power during use or in storage over its lifetime.Unbeatable 45 minute charge time.Same weight as 3.0Ah battery.Works with your current Li-ion Chargers.Longer run time and battery life.All new 5.0Ah models are compatible with 18V 3.0Ah and 4.0ah Li-ion batteries.STAR Protection Computer ControlsLow self-dischargeEnergy storage capacity for long run timesWith overload, over discharge and overheating protection