DFNA

DFNA.info is a specialized e-commerce platform and the official authorized retailer for True Amalgamated (True®) brand products. The site is dedicated to providing high-end, "plug-and-play" dual battery management solutions designed for demanding environments. Their flagship offerings revolve around the True® Smart Battery Isolator (SBI), an advanced voltage-sensitive relay (VSR) that uses MOSFET technology to automatically manage and protect both primary and auxiliary batteries with zero voltage drop. In addition to isolators, DFNA provides complete dual battery kits and 100% pure copper AWG battery cables assembled in the USA.