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PriorityStart! 12v ProMax Low Voltage Disconnect Switch - PSI-12V-PROMAX
PriorityStart! 12v ProMax Low Voltage Disconnect Switch - PSI-12V-PROMAX
PriorityStart! 12v ProMax Low Voltage Disconnect Switch - PSI-12V-PROMAX
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PriorityStart! 12v ProMax Low Voltage Disconnect Switch - PSI-12V-PROMAX

★★★★★ (1) Leave a review →
Free Ground Shipping to Lower 48 States *
$109.95 In Stock ( 12 )
Part No. PSI-12V-PROMAX

Install PicturePriorityStart! is an automatic computerized on/off switching system protecting battery voltage and starting power. If battery voltage drains below 11.7 volts when engine is off, it automatically DISCONNECTS the load. The battery voltage immediately recovers.

To RECONNECT and START the vehicle: Just step on the brake pedal, activate the headlights, or use another accessory inside the vehicle, and starting power is automatically RECONNECTED! NO DEAD BATTERY! Designed to handle 1000 starting amps.

No hard wiring or modifications. Transferable. Manufactured to ISO, USCG, and SAE standards. Maintenance free.

Universal design on PriorityStart! works with 12-Volt top and side-post batteries. Same unit: Easily adaptable! No modifications are necessary.

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Overview

Install PicturePriorityStart! is an automatic computerized on/off switching system protecting battery voltage and starting power. If battery voltage drains below 11.7 volts when engine is off, it automatically DISCONNECTS the load. The battery voltage immediately recovers.

To RECONNECT and START the vehicle: Just step on the brake pedal, activate the headlights, or use another accessory inside the vehicle, and starting power is automatically RECONNECTED! NO DEAD BATTERY! Designed to handle 1000 starting amps.

No hard wiring or modifications. Transferable. Manufactured to ISO, USCG, and SAE standards. Maintenance free.

Universal design on PriorityStart! works with 12-Volt top and side-post batteries. Same unit: Easily adaptable! No modifications are necessary.

*Flat Rate shipping is for the lower 48 states only.

Features

  • ProMax specially designed for all OEM or stock vehicles. Now new circuits give voltage surge "spike" protection.
  • Easy to attach–3 Connections
  • Maximizes Battery Life–Maintenance Free
  • Handles 1,000 Starting Amps
  • Engine Run & Hazard Light Protection
  • Universal Design Fits Both Top-Post or Side-Post Batteries

This Product Replaces These Other Products

Works In

Vehicles that PSI-12V-PROMAX works in

Technical Specifications

  • Weight: 1.5
  • Shipping Weight (lb.): 2.0
  • Regulatory Approval: Certified to SAE J1171, ISO 8846, CE, USCG Certified
  • Made in: USA
  • Manufacturer’s Part Number: PSI-12V-PROMAX

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Reviews

5.00 Average
5 Stars 1
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Rated 5.00/5 Stars from 1 customer reviews.

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★★★★★
Saves aggravation

I installed one of these on a friend's rarely driven Cadillac several years ago. Finally spent the money and put one on my occasionally driven Jaguar. Works great and much better than having to start the car every week to keep battery charged, or disconnecting and reconnecting battery. Easy install, delivered on time. Pricey but worth it for lazy guy like me.

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Written by on Aug 05, 2020. Verified Purchase — (4 of 4 customers found this review helpful)

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Write a Review Do you own the PSI-12V-PROMAX? Please, tell us what you think about it. It helps us provide you with better products. Please note that it may take up to 72 hours for your review to appear.

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