General description This MAKITA BL1850B/DC18RD kit includes a DC18RD charger and two BL1850 batteries, designed for 18V and 14.4V Makita tools. The lithium-ion technology offers significant advantages over traditional battery types, providing 430% more working capacity over its lifetime compared to Ni-Cad batteries and being 40% lighter than Ni-MH batteries. Technical specifications Charger model: DC18RD Battery model: BL1850 Battery capacity: 5Ah Charging time: 45 minutes Output for USB charging: 1.5A Features and Benefits Dual charging ports for simultaneous charging of two batteries Communicates with each battery to recognize its ID and history LED charging display for monitoring Forced cooling system to prevent overheating Electronic current limiter for overload protection Lightweight and shock-absorbing design Minimal power depletion during use or storage Foam cell technology for durability and cooling STAR Protection Computer Controls™ for enhanced battery management Other