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Smart Regulators for Every Battery Type

Whether you're running Lead AcidAGM, or LiFePO₄ batteries, our Smart Regulator range is designed to optimize your charging system.

✅ Proven Performance

  • The ZM4ZM5, and now the ZM6 (released August 2022) offer reliable, multi-stage regulation.
  • Our first units went into service in 2005, with hundreds in use across New Zealand and beyond.
  • Proudly designed and manufactured in New Zealand—and yes, we repair what we build.

Alternator Services

We offer:

  • Alternator modification for external regulation
  • Refurbished and overhauled alternators
  • New units in stock, ready for installation

Setup & Support

  • 📺 Watch the ZM6 in action: YouTube Setup & Demo,  https://youtu.be/vRNjSprNhCA
  • 📄 Over 40 downloadable diagrams and notes to assist with alternator modifications
  • 📧 Got a question? Email us—we’re here to help

Important Update (August)

We will no longer sell products to the USA.
However, for our loyal US-based customers, we will continue to honor all warranty obligations.