Replacement Control Board: Built as a control board and capacitor driver circuit board for compatible electric chainsaws, helping users identify the part for repair or replacement work. Capacitor Driver Module: The circuit board format supports motor power output management in compatible equipment, giving repair users a clear component type for board selection. Brushless Chainsaw Fit: Planned for 12 inch and 16 inch cordless brushless electric chainsaw references, with conservative compatibility for checking model size before purchase. Repair And Maintenance Use: Suitable for electric chainsaw repair, outdoor gardening equipment maintenance, home woodworking tool repair, and forestry cutting equipment service contexts. Package : Includes 1 control board module for replacement projects, helping confirm board type and equipment compatibility before installation.