Follow Us:
20 Years in Business
PriorityStart ProMax HD Car Truck 12V Battery Vehicle Start Protector
Manufacturer: PriorityStart!
Model Number: PSI-12V-PROMAXHD
Our Price: $139.95

More Information

No waiting for service or emergency trucks. No need for jump-starts (jump-starting damages the battery, alternator and potential major damage to computers and electrical system). No more down time or lost man hours. It is preventative maintenance that pays for itself 1st time it saves you. Using portable battery chargers/boosters, dangerous jumper cables, or calling a tow truck means you have already experienced a damaged battery (first time battery goes dead it has lost 1/2 its service life). Universal design fits top and side post batteries. No hardwiring or modifications required. Transferable. Manufactured to ISO, USCG, and SAE standards. If you have any questions about this item, please give us a call (800)355-2956.

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

Who should use the PriorityStart! 12-Volt ProMax H.D.?
- Law Enforcement, Work trucks, and Heavy Duty vehicles
- Any vehicles with increased electrical/load demands

PriorityStart! is the only automatic computerized on/off protection system for your battery, alternator, and electrical system in the market today. If battery voltage drains below 11.7 volts when engine is off, it automatically DISCONNECTS the load, leaving starting power.

To RECONNECT and START: simply step on the brake pedal, activate headlights, or operate any other accessory, and starting power is RECONNECTED! No buttons to push, no switches to flip, and there is no hardwiring. It's positive to positive, with a ground wire, and your done.

New Features:
- Heavier Load Capicity: Up to 1600 starting amps/400 continuous amps
60% increase to contact disc
60% increase to spine gear & holding nut
40% increase to jack screw
40% increase to busses

- Heavier ground wire connector thicker/stronger for heavier duty vehicles
- Top post contact material raised/increased to improve GM connections
- Gear cover for added strength & durability
- Motor cover for added strengh & durability
- Higher intensity LED on top, improved visibility
- Redesigned circuit board

- Automatic battery reconnect: Convenient, safe
- Easy to attach: 3 connections
- Maximizes battery life: Maintenance free
- Handles 1,600 starting amps/400 continuous amps
- Designed for under-hood temperature extremes
- Engine run 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


Balkowitsch Enterprises, Inc. was founded in November 1998. Since then we have grown into a multi-million dollar a year retail and online company and represent some of the finest product lines available. Our years of experience allow us to support a world-wide customer base. It is our goal to offer quality items at affordable prices and provide a level of customer service that is unparalleled.

If you have any questions or if we can be of any assistance, please contact us. We have sold over 750,000 items online and pride ourselves in customer service. We back everything we sell with our 100% guarantee.

Shane Balkowitsch is a Registered Nurse and manages all medical, health and wellness related product lines.

Balkowitsch Enterprises, Inc. stands behind every product that we sell. That is to say, if you purchase a product from us and are unhappy with it for any reason, return it for a 100% refund of the purchase price, less shipping. All items must be returned within 10 days of receipt.

For complete details please see our Return Policy link on our Sitemap page.


Balkowitsch Enterprises Inc.
800-355-2956 U.S. Toll Free
701-223-9936 Local
+1 011 701-223-9936 Int.
701-223-8984 Fax

4419 Centurion Drive
Bismarck, North
Follow Us:

Find Us

Balkowitsch Enterprises Inc.
800-355-2956 U.S. Toll Free
701-223-9936 Local
+1 011 701-223-9936 Int.
701-223-8984 Fax
design & programming by Armor Interactive
Search our store