Product: Main circuit board replacement for Ninebot F20 / F30 / F40 electric scooters Material: Metal + plastic Key benefits Restores scooter function quickly: replaces a faulty or damaged main circuit board to get your Ninebot F20, F30, or F40 back in service without full vehicle replacement. Durable construction: made from quality metal and plastic for longlasting, practical use in everyday commuting and lightduty conditions. Reliable performance: professionally manufactured to provide stable operation and dependable behavior under normal use. Fast, loweffort installation: designed as a direct replacement for the original main board, allowing straightforward swapin installation and minimizing time. What this part does Function: main circuit board for Ninebot F20/F30/F40 electric scooters. Controls essential electrical functions and interfaces with sensors, battery management, and motor controls as designed for these models. Compatibility and fit Compatible models: Ninebot F20, F30, F40. Form factor: designed to match the original main board layout for direct replacement and secure mounting in the scooter chassis. Performance and reliability Professional manufacturing ensures consistent electrical connections and stable performance. Durable metal and plastic construction resists normal wear and helps maintain longterm functionality. Practical use scenarios Ontheroad : a damaged main board after a fall, impact, or electrical failure to restore your scooter for daily commuting. Home or DIY maintenance: hobbyists and owners can swap the board themselves to aging electronics without specialist equipment. Service and shops: use as a reliable replacement part for routine repairs or refurbishments of Ninebot F20/F30/F40 scooters. What to expect A direct replacement component intended to restore the original electrical control functions for the specified Ninebot models. Ease of installation when replacing the corresponding original main board; follow standard safety and disassembly procedures for your scooter model. Notes Material: Metal + plastic Intended exclusively for Ninebot F20 / F30 / F40 main board replacement; confirm compatibility with your scooter model before .