Genuine BL1850 18V 5.0Ah Li-Ion lxt Battery Twin Pack - Makita

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. Features The Li-ion range delivers 430% more working capacity during it's 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 it's 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 Controls™ Low self-discharge Energy storage capacity for long run