Top Post Blade Master Switch: This battery switch is designed specifically for top post batteries, providing a convenient and efficient way to disconnect the vehicle from the power supply without the need for additional tools. 12V–24V Voltage: The switch is compatible with both 12V and 24V systems, ensuring versatility and suitability for various vehicles such as cars, RVs, boats, and trucks. Material: Made of high-quality copper, this battery switch is built to last. It is resistant to corrosion and weather conditions, ensuring long-lasting performance and reliability. Safety and Protection: The switch helps prevent short circuits and fires when working on electrical equipment. It also helps eliminate battery drain when the battery is not in use, protecting against parasitic discharge and extending battery life. Easy to Use: The switch can be easily operated by flipping the blade to disconnect or reconnect the battery. No additional tools or complicated steps are required. Item Name: Battery Disconnect Switch Type: A – Vertical Switch / B – Horizontal Switch Operating Voltage: 12V / 24V Mounting Hole Diameter: 11–13 mm Note: Installation guide not included. Professional installation is recommended. Please verify that this item meets your requirements before purchase. Note: Due to variations in lighting, screen settings, and manufacturing batches, the actual product color and appearance may differ slightly from images. Slight dimensional variations of ±1–3 cm may occur. Package Contents: 1 × Battery Disconnect Switch