BL1850B—Ideal for heavy-duty applications that require long runtime, this Makita 5.0 amp hour slide-style lithium ion battery is loaded with features. It's equipped with over-discharge, temperature and current protection, and its built-in chip communicates with the charger for fast, optimized charging.

DC18RD—Designed to charge two batteries simultaneously, the DC18RD features a built-in fan that keeps batteries cool for fast, efficient charging. DC18RD also communicates with the batteries' built-in CPUs to analyze each battery's unique condition and control current, voltage and temperature, ultimately optimizing the life of your batteries.

Kit includes two BL1850B battery packs and a DC18RD dual bay rapid charger.