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REDARC

REDARC DUAL SENSING SMART START BATTERY ISOLATOR 12V 100A

$169.00 In Stock Pre-Order Sold out
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CODE: SBI12D

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The REDARC Smart Start® SBI12D is a microprocessor-controlled dual battery isolator used in a dual battery system. It’s manufactured for use as a solenoid priority system to protect the start battery from excessive discharge while allowing the auxiliary battery to supply non-essential loads.

Dual sensing

The SBI12D provides 12 volt DC incorporating 100A of continuous ratings and is designed for heavy-duty operations. The dual sensing model is compact and easy to install. It isolates the start and auxiliary battery in a system where the auxiliary battery may be charged by an external source. The SBI12D also allows the start battery to be charged by the external source after the auxiliary battery reaches 13.2V.

Power saving technology

The power saving technology includes fault detection and LED indication of operation to warn users of voltage drops, over-voltage, or excessive current draw conditions. The SBI12D has components that prevent the solenoid from generating high voltage transients. It’s better than a diode battery isolator based on the the voltage drop associated with a diode type isolation.

Surge protection

The SBI12D has full surge protection and is used primarily in 4WD and commercial vehicles. Choose the SBI12D for a safe way to charge an auxiliary battery. The SBI range manages battery charge for your secondary battery banks while on the move.

Features

  • Overmold design
  • Compact size and easy installation
  • Silver contacts for longer life and suitable for marine applications
  • Power saving technology
  • Fault indication
  • Fully surge protected

Shipping Policy


Shipping Policy

Free Shipping Over $250
OffRoadSpecialty.com offers free standard shipping on all orders over $250 within the contiguous United States.

Restrictions:
Free shipping does not apply to oversized items, freight shipments, or deliveries to Alaska, Hawaii, or U.S. territories. Additional shipping charges may apply for certain products based on size, weight, or delivery location.

Additional Terms:
This offer cannot be combined with any other promotion, discount, or coupon code. When multiple discounts or promotions are available, the best eligible discount will be automatically applied at checkout.

Delivery Timeframes

  • Standard Shipping: 3–7 business days after order processing.
  • Expedited Shipping: 2-day and next-day air options are available at checkout for an additional cost. Delivery times are estimates and may vary based on your location and carrier performance.
  • Order Processing: Orders placed before 12 PM CST on in-stock items typically ship the same business day. Exceptions may apply based on supplier processing times or carrier delays.

Oversized Items

Some items, such as wheels, tires, bumpers, racks, full suspension kits, and campers, may require additional handling charges due to size, weight, or truck freight requirements.
Oversized item fees include:

  • Tents: $200
  • Bumpers & Racks: $100
  • Magpak Camper: $300

These charges will be clearly displayed during checkout before you complete your order.


Additional Notes

  • Free shipping offer may not apply to all product categories.
  • Delivery times for expedited options are estimates and may vary based on your location.

Fulfillment Notice

Off-Road Specialty operates as a dropshipping business. Products are shipped directly from our suppliers to your door. Shipping times may vary depending on the supplier’s location and availability. We work only with trusted partners to ensure timely and secure delivery.


Lost or Damaged Shipments

If your order arrives damaged or is lost in transit, please contact us at sales@offroadspecialty.com within 48 hours of delivery (or expected delivery date). For freight shipments, note any visible damage on the Bill of Lading (BOL) before signing.


Refund Policy

We accept returns within 30 days of delivery for new, unused items in original packaging.
To start a return, email sales@offroadspecialty.com with your order number and reason for return. If approved, we’ll issue a prepaid return label (or you may use your own carrier, depending on the item).

Refunds: Issued to the original payment method within 5–10 business days after inspection.

Exceptions:

  • Custom or special-order items
  • Installed or used items
  • Items without original packaging

For freight shipments, note delivery damage on the BOL and contact us within 48 hours.

You can always contact us for any return question at sales@offroadspecialty.com.

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