TECMATE Optimate Duo Solar Charge Controller — 12V/12.8V 5A

The Optimate Duo Solar Charge Controller is a fully automatic six-step 12 V/12.8 V sealed solar charge controller and battery monitor designed to maintain and safely charge 12 V battery systems.

• ☀️ Smart 5 A solar controller: safely charges all types of 12 V batteries.
• 🔋 Compatible with 12 V polycrystalline or mono-crystalline solar panels (10 W–60 W rated output).
• 🔧 Automatically adjusts charging to battery type and condition with a multi-step program to bring the battery to full charge.
• ⚡ Continues daily maintenance charging once the battery is fully charged to prevent discharge.

Compact and simple to install, it monitors state of charge and applies a safe charging algorithm for long battery life.