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    PriorityStart! 12 Volt ProMax Battery Protector (PSI-12V-PROMAX)

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    1.50 LBS
    Calculated at checkout
    Current Stock:
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    Product Description

    PriorityStart! 12 Volt ProMax Battery Protector


    Starting is the Priority!

    12-Volt Police Medical Emergency Fleet Farming EquipmentRetail Sedan Truck Pickup Customers Standard Stock OEM


    Who should use the PriorityStart! 12-Volt ProMax?

    • Originally designed for Fleet Vehicles
    • NOW RECOMMENDED for all OEM or Stock Vehicles as well
    • All vehicles today are seeing increased computerized systems
    • Increased electronics means more Dead Batteries!

    PriorityStart! is an automatic heavy duty 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! Designed to handle 1000 starting amps. PriorityStart! is not a battery charger or booster that is used after the battery has already been damaged.

    No waiting for emergency trucks, or calls for help. Stay safely inside your vehicle. No lifting hood or attaching dangerous jumper cables. No buttons or switches to push. Pays for itself 1st time it saves you, ready to protect every time you need it.

    Using portable battery chargers/boosters, dangerous jumper cables, or calling a tow truck means you have already had a dead battery and done irreparable damage to your battery. (First time battery goes dead it loses 1/2 its service life).

    No hard wiring or modifications. Transferable. Certified 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.

    Easy to Attach

    Three Easy Connections:

    1. Existing vehicle positive cable to PriorityStart!
    2. PriorityStart! cable to battery positive post
    3. Attach ground wire to battery negative post


    • Automatic Battery Reconnect: Convenient, Safe
    • Easy to Attach: 3 Connections
    • Maximizes Battery Life: Maintenance Free
    • Handles 1,000 Starting Amps
    • Designed for Under-hood Environment
    • Engine Run & Hazard Light Protection
    • Transferable From Vehicle to Vehicle
    • Universal Design Fits Both Top & Side-Post Batteries
    • Ability to Use Accessories When Engine is Off
    • Ecologically Friendly: Reduces Number of Batteries Discarded Into the Environment


    • Pays for itself the first time you use it; ready to protect every time you need it
    • Prevents lost wages and vehicle downtime
    • Saves cost of new battery
    • Protects expensive vehicle electrical parts
    • Protects from voltage spikes or surges


    • Meets automotive specifications
    • Assembled with materials suited for under-hood environment
    • When engine or hazard lights are operating, patented circuitry prevents battery power from being switched off

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