Features: Perfect replacement for DCB609 18650 battery charging protecting circuit board . Support 20V/60V tool and engineered with upgraded circuitry for 20% higher energy transfer efficiency. Features intelligent temperature control via sensoring that instantly disable output during overheating, adopt 15 cell 18650 battery configuration for extended runtimes. For professional and DIY enthusiasts requiring durability power solution for 20V/60V cordlessly drills, and grinders. Ensures stable voltages output and cell balancing, maintaining tool long use while meeting original equipment safety standards. Specifications: Item： Battery PCBA Charging protecting Circuit Board Material: Electronic components Size: Board size: 8.3x5.9cm/3.27x2.32in For DEW DCB609 Adopt 15 cored 18650 battery configuration Support 20V/60V tools Not include Battery Cell . Package Includes: 1PC Battery Charging protecting Circuit Board( Not incude battery) note: Not include Battery Cell . Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution