{"product_id":"21v-brushless-drill-control-board-drive-controller-circuit","title":"21V Brushless Drill Control Board | Drive Controller Circuit","description":"\n\u003ch2\u003e21V Brushless Lithium Drill Control Board\u003c\/h2\u003e\n\u003cp\u003eKeep your 21V brushless lithium drill running at peak performance with this precision-engineered \u003cstrong\u003eDrill Drive Controller Circuit Board\u003c\/strong\u003e. Acting as the nerve center of your power tool, this compact board regulates motor speed and direction while protecting your drill from overcurrent, overvoltage, and overheating — all in a space-saving form factor that fits standard 21V brushless drill housings without any modifications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose-Built for 21V Brushless Drills:\u003c\/strong\u003e Specifically designed to serve as the critical control center for 21V brushless lithium hand drills, ensuring stable power output and smooth operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS + Metal Construction:\u003c\/strong\u003e High-quality ABS plastic combined with metal components delivers excellent impact resistance, efficient heat dissipation, and long-term reliability under demanding use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Motor Control:\u003c\/strong\u003e Regulates motor speed and direction precisely, while built-in protection circuits guard against overcurrent, overvoltage, and overheating for a longer tool lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact, Drop-In Fit:\u003c\/strong\u003e Optimized for the tight interior of handheld drills — installs seamlessly into standard 21V brushless drill housings with no extra modifications required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Efficiency:\u003c\/strong\u003e Delivers precise power control to maximize the overall efficiency of your lithium drill, giving you consistent torque and reliable performance on every job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 6.6 × 2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tools\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21V Brushless Lithium Hand Drills\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Drill Protection Control Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eActual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerance (±2–3 mm) for the listed dimensions.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe power tool use and electrical safety standards, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which drills is this 21V brushless drill control board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This control board is specifically designed for 21V brushless lithium hand drills. It fits standard 21V brushless drill housings without requiring any additional modifications, making it an ideal direct replacement part.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the drill drive controller circuit board actually do?\u003c\/h4\u003e\n\u003cp\u003eA: The control board acts as the central processing unit of your brushless drill. It regulates the motor's speed and rotational direction, and includes built-in protection against overcurrent, overvoltage, and overheating — helping to extend the life of both the board and the drill motor.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this board easy to install for a DIY repair?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board is designed with a compact, space-saving layout that fits directly into standard 21V brushless drill housings. No extra modifications are needed, making it a straightforward replacement for confident DIYers with basic electronics experience.\u003c\/p\u003e\n\u003ch4\u003eQ: What materials is the circuit board made from?\u003c\/h4\u003e\n\u003cp\u003eA: The board is constructed from a combination of high-quality ABS plastic and metal components, offering solid impact resistance, effective heat dissipation, and long-term durability during regular power tool use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which drills is this 21V brushless drill control board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This control board is specifically designed for 21V brushless lithium hand drills. 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