From an automotive trickle charger to an automotive battery tester, Associated Equipment Corp. incorporates cutting-edge technology to be truly innovative – creating and designing battery management equipment and related products with a number of unique quality and safety features, some of which are patented with still others patent-pending. We are constantly working to create the best heavy duty battery charger, tester, etc. for our valuable customers, and we hope that you’ll turn to Associated Equipment Corporation when you have a related need.

Continue browsing our website for additional information, and feel free to contact us with your questions and/or comments, or to set up an account. We look forward to doing business with you.

Associated Equipment Corporation (A.E.C.) established in 1948, has designed and patented battery chargers and automotive battery testers for over 60 years from its headquarters in St. Louis, Missouri. Associated is known in the industry for providing the highest quality, professional grade battery chargers and testers on the market from our first chargers to our current product offering – in fact, we have customers that still purchase parts for chargers they’ve used in their businesses for more than twenty years! Associated Equipment Corp. continues to expand its product-offerings with new, innovative, patented features and cutting-edge technologies for all types of customers from the automotive service professional to aircraft and marine mechanics to recreational users wanting to make sure they have the best equipment the market has to offer.

Associated manufactures a line of heavy duty welding fume extractors. For more information, please visit the Ace website at

Unique Safety and Quality Features:

Stop/Go Light (PATENTED)

Patented Polarity protection system prevents damage to the vehicle’s electronics and protects operators too. Red light warns if first connection is wrong. Green light indicates correct polarity.

Safety Clamps

Covered with vinyl insulation – they will not arc or spark if they touch each other or car parts. “FLEXI-SPRING” cable guards relieve cable stress and extend cable life.

Multi-Diode Rectifier (PATENTED)

Spare diodes are built in to create a redundant system to “take over automatically in cases of failure”. Eliminates down time and/or expensive repairs.

Vacuum Impregnated Isolation Transformers

To meet UL/CSA Outdoor Standards; minimizes transformer vibration to extend product life and reduce noise.

Power Options Available on Many Units

For customers requiring 220V AC power, for both the U.S. and overseas markets including Europe, Asia, the Middle East, and South America, A.E.C. provides custom AC power cords as Special Orders.