Protection Circuit Board Replacement for Bl1850b Bl1840b 18v Battery Pack Pcb with for Power Tool Battery Repair
Protection Circuit Board Replacement for Bl1850b Bl1840b 18v Battery Pack Pcb with for Power Tool Battery Repair
DIRECT REPLACEMENT PART: Designed to replace worn or damaged protection in BL1850B and BL1840B 18V battery packs; helps proper charging and discharging function
BUILT-IN: Integrated LED shows charging at a glance; allows quick of battery condition during use or while connected to a charger
PRECISE FIT CONSTRUCTION: Engineered with accurate dimensions to fit securely inside original battery housings; ensures proper alignment with terminals and casing components
PERFORMANCE: Crafted from circuit board materials that hold up to regular use; provides consistent protection against overcurrent and voltage fluctuations
PROJECT READY: Suitable for rebuilding battery packs or repairing tools that use compatible 18V lithium power sources; board only, does not include cells or housin