Charges 2 x 18V BL1840 4.0Ah Li-Ion batteries in just 36 minutes!
Optimum Charging System incorporates 3 Active Controls (current, voltage and temperature) that provide an optimal charge and ensures batteries cannot be over-discharged or over-heated during the charging cycle
Central Processing Unit (CPU) in battery communicates with charger to analyze battery and charge according to its unique condition
Digital Power Display indicates condition of battery and current charge level (-80%, +80%, 100%)