Iota IQ4 3-Stage 14.6/29.2 VDC IOTA-IQ4 Smart Controller

Key Benefits

• Reduces charge time with intelligent stage transitions

• Prevents gassing, boiling, and battery plate sulfation

• Automatically maintains battery charge during idle periods

• Plug-and-play installation via Dual Voltage Jack

• LED indicator shows current charge stage at a glance

Special Technology

• Bulk Stage – Applies full charger output (e.g., 14.8V for 12V systems) to rapidly replenish deeply discharged batteries.

• Absorption Stage – Delivers controlled voltage (e.g., 14.2V) for up to 8 hours to fully top off batteries.

• Float Stage – Drops voltage (13.6V) to maintain charge safely without overcharging or gassing.

• Equalization Stage – Every 7 days in float mode, the IQ4 triggers a maintenance cycle to reverse sulfation and stratification.

This smart sequence helps ensure long battery life and peak performance across various deep-cycle applications.

Warranty

The IQ4 Smart Charge Controller is covered by IOTA’s 2-year limited warranty against defects in materials and workmanship. Warranty applies in the United States and Canada.

Best Use

• Solar energy storage systems

• RVs, marine, and mobile battery charging setups

• Industrial and telecom backup power systems

• Any DLS-charged battery bank needing precision battery maintenance

Specifications Table

About IOTA Engineering

IOTA Engineering, headquartered in Tucson, Arizona, has been a leader in reliable battery charging and AC/DC conversion systems for over 40 years. IOTA products are widely used in solar, RV, marine, telecom, emergency lighting, and industrial power applications. Known for innovation and durability, IOTA’s DLS Series converters and IQ smart controllers provide safe, intelligent, and long-lasting solutions for critical battery-powered systems.

Why Buy From US Solar Supplier?

As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on. We are updating our inventory daily with solar components that offer the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.

Need Assistance?
We’re here to help! If you have any questions or need more information before making your purchase, don’t hesitate to call us at 1-800-230-7004. Our knowledgeable and friendly team is ready to assist you with product details, installation advice, or the purchasing process.

Why Buy From Us?
Trusted Supplier: We work with Tier 1 manufacturers who stand behind their products.

Expert Support: Our team is here to guide you every step of the way.

Manufacturer-Backed Warranties: Enjoy peace of mind with the 2-year product warranty directly from the manufacturer.

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Join the many satisfied customers who have trusted us for their solar needs. Add to your cart now to secure your high-efficiency solar panels and take the next step towards sustainable energy!