18V 4.0 Ah Li-Ion Battery BL1840

$140.00

  • 4.0 Ah battery offers 33% increased run time versus 3.0 Ah batteries with no added weight or bulk
  • NEW Battery Protection System provides Over-Discharge, Temperature and Current Protection for enhanced performance, battery cycle life and overall battery life (when used with STAR marked tool)
  • Li-Ion Batteries offer extended run time versus Ni-Cad and Ni-MH batteries
  • Li-Ion Batteries offer more cycles over the life of the battery versus Ni-Cad and Ni-MH batteries
  • Optimum Charging System utilizes 3 Active Controls (Current, Voltage & Temperature) to maximize battery life
  • Built-In Memory Chip communicates with Charger CPU to optimize the charging process based on the unique conditions of each battery