{"product_id":"blackstone-the-protector-dual-battery-isolator-accessory-kit-new-in-box","title":"Blackstone The Protector Dual Battery Isolator Accessory Kit New in Box","description":"\u003cdiv\u003e## Blackstone \"The Protector\" Dual Battery Accessory Isolator Kit\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eUp for sale is a brand new, unused **Blackstone Manufacturing Company \"The Protector\"** dual battery accessory isolator kit. This complete aftermarket management setup allows you to seamlessly integrate a secondary auxiliary battery into your electrical network without the risk of draining your primary starting power. It comes beautifully preserved inside its original retail box.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003ePerfect for utility rigs, overland builds, classic camper vans, trailer hookups, and specialty vehicles utilizing high-draw auxiliary electronics.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e*Please note: As shown in the photos, the original cardboard retail box exhibits exterior storage shelf-wear, edge crushing, and light paper fraying along the upper tab lines. The core isolation components inside remain entirely clean, unused, structurally sound, and completely ready for custom deployment.*\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e### Core Functional Features:\u003c\/div\u003e\u003cdiv\u003e* **Brand:** Blackstone Mfg. Co. (Chicago, IL)\u003c\/div\u003e\u003cdiv\u003e* **Product Line:** The Protector Dual Battery Accessory\u003c\/div\u003e\u003cdiv\u003e* **Automatic Dual Charging:** Correctly routes alternator output to replenish your 2nd auxiliary battery whenever the engine is actively running.\u003c\/div\u003e\u003cdiv\u003e* **Discharge Prevention:** Automatically isolates and disconnects the main engine battery when the vehicle is shut off, protecting your cranking cell from accidental accessory drainage.\u003c\/div\u003e\u003cdiv\u003e* **Streamlined Wiring:** Eliminates the ongoing manual hassle of toggle-switching or physically disconnecting heavy terminal leads between camp sessions.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e### Common Vehicle \u0026amp; Rig Applications:\u003c\/div\u003e\u003cdiv\u003eThis 12V configuration acts as a reliable mechanical solution for older model platforms, trailers, and tow setups before the advent of complex computer-controlled alternating systems. It is widely used for outfitting:\u003c\/div\u003e\u003cdiv\u003e* **Trucks \u0026amp; Tow Vehicles:** Excellent for managing secondary batteries running auxiliary tail loom electronics or integrated bed equipment.\u003c\/div\u003e\u003cdiv\u003e* **Campers \u0026amp; RVs:** Keeps your cabin house battery running lights and small appliances independently from your starter battery.\u003c\/div\u003e\u003cdiv\u003e* **Boats \u0026amp; Marine Craft:** Keeps auxiliary communication or fish-finding gear isolated safely from the main engine ignition system.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e*Note: Please consult your vehicle’s alternator output rating and your secondary battery specifications to layout a proper inline fuse architecture during custom installation.*\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e### Shipping \u0026amp; Returns:\u003c\/div\u003e\u003cdiv\u003e* Securely packed inside a sturdy secondary box with extensive padding to guarantee the vintage retail box graphics and electrical hardware arrive completely protected.\u003c\/div\u003e\u003cdiv\u003e* Fast, reliable handling and departure out of California.\u003c\/div\u003e\u003cdiv\u003e* Shipped via calculated weight—no automated overcharges.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"BLACKSTONE","offers":[{"title":"Default Title","offer_id":53080433328415,"sku":null,"price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0731\/2927\/files\/57_aa3045b0-b39f-4b5e-9794-ccc69544426b.jpg?v=1792509324","url":"https:\/\/hohnenterprisesautoparts.com\/products\/blackstone-the-protector-dual-battery-isolator-accessory-kit-new-in-box","provider":"Hohn Enterprises Auto Parts","version":"1.0","type":"link"}