Protect your devices and prevent dead batteries with smart auto shutoff timers, offering reliable protection for less than the cost of a tow.
Find the perfect battery management solution for your vehicle. With minimal maintenance and care, our Isolator and Equalizer products assures many years of trouble free service.
Protect your starting batteries with Havis solutions that prevent electrical parasitic loads from completely depleting them and keep enough charge in the batteries to start the engine, ensuring that your Transit and Fleet vehicle batteries work optimally.
Havis Electronic Flashers produce a variety of lighting patterns and sequences across a broad range of amperage ratings.
Havis makes it simple to standardize mobile power across mixed fleets and demanding duty cycles. Our four-tier inverter portfolio delivers clean, reliable pure sine wave power so operators can run critical tools and electronics with confidence. Choose the tier that fits your application, then scale consistently across vehicles with support from our Vehicle System Integration Team (VSIT) for load analysis, installation guidance, and ongoing technical expertise.
Havis offers DC power adapters for a variety of our laptop and tablet docking stations.
Access historical documentation and product literature on the Vanner product line.