1. Check Before Buying! Fits ONLY 15.5-17mm negative battery terminals and needs at least 4.7 inches of clearance space. Please measure to avoid installation issues. 2. Quick Top-Post Installation – Mounts directly to your battery without extra cables or lugs. Perfect for DIY users and beginners. 3. Heavy-Duty & Reliable – Flame-retardant ABS shell + solid copper connectors ensure corrosion resistance and safe long-term use. 4. Strong Power Control – Rated 275A continuous / 1000A cranking, works with 12V–48V cars, RVs, boats, and marine applications. 5. Prevent Battery Drain – Disconnects unused batteries, extending battery life and improving safety during storage.
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