Product Guides


Authorized installers are ready to assist you

Don't want to install the Prolong Car Harness yourself? No problem, we have Dealers located throughout the United States who are ready to help. You can find one by viewing our map of authorized installers. If you don't see one in your area, let us know. We can help find a hybrid friendly service center near by that should be able to help you.

Doing it yourself? Here are step-by-step photo installation instructions

Click here for all the info you need to install your new Prolong grid charger system and start charging up. It will probably take you a couple hours, but it’s a lot easier than you might think. If you’d prefer not to do the installation yourself, you can contact your nearest installer.

Prolong Battery Systems User Guides

Congratulations, it's installed. Now what? Here are our product user guides to help you get started:

Battery Reconditioning Overview
Prolong Battery Charger User Guide
Prolong Battery Discharger User Guide
Prolong Battery Module Load Tester User Guide
Light Bulb Discharger User Guide
Intelligent Discharger User Guide
ProlongPro Thunderbolt Owners Guide
ProlongPro Battery System User Manual


Honda IMA Battery Removal, Bypass, and Installation Instructions

We keep these around as a resource for our friends in the Honda community. If you are looking for detailed instructions on Honda IMA battery removal, bypass, and/or installation, you are in the right place: Click here.