Iota Engineering 12VDC 55A DLS/M-12V-55A/120V Battery Charger
MPN No: DLS/M-12V-55A/120V
Expected ship date Nov 26 - Dec 03
In Stock
$257.51
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DLS/M-12V-55A/120V
MPN No: DLS/M-12V-55A/120V
Expected ship date Nov 26 - Dec 03
In Stock
$257.51
Converts 120VAC to 13.6VDC with 55A continuous power
Maintains optimal charge for AGM, flooded, VRLA, gel, and select lithium batteries
Optional IQ4 controller enables 4-stage smart charging for extended battery life
Quiet fan control based on temperature and load
Advanced internal protections including reverse polarity, thermal shutdown, and overload
integrates Switch-Mode Power Conversion for efficient output and minimal heat
utilizes Dual-State Charging to shift automatically between constant voltage and constant current modes
features Tight Line/Load Regulation to prevent voltage swings that could damage sensitive electronics
supports optional IQ4 Smart Charger for automated Bulk, Absorption, Float, and Maintenance charge cycles tailored to battery chemistry and usage
This model includes a 2-year limited warranty, covering material and workmanship defects under normal use. DLS-X variants are backed by a 3-year warranty. .
High-output 12V battery charging for off-grid solar storage
RV and marine DC power supply with compact fit
Industrial 12VDC control systems and backup power
Telecom battery banks and UPS auxiliary charging
| Attribute | Specification |
|---|---|
| Model | DLS-12V-55A / DLS/M-12V-55A/120V |
| Output Voltage (No Load) | 13.6V DC ± 0.7% |
| Output Voltage (Full Load) | >13.4V DC |
| Output Current | 55 Amps (continuous) |
| Max Continuous Output Power | 750W (DLS) / 800W (DLS-X) |
| Input Voltage Range | 108–132 VAC |
| Input Frequency | 47–63 Hz |
| Max AC Current (@108VAC) | 13.4 Amps |
| Typical Efficiency | >80% |
| Ripple and Noise | <50 mV rms |
| Inrush Current | 30 Amps |
| Line / Load Regulation | <1.5% |
| Fan Control | Proportional to internal temperature |
| Protection Features | Short circuit, thermal, overload, reverse polarity |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Storage Temperature | -4°F to 176°F (-20°C to 80°C) |
| Dimensions (L × W × H) | 9.67 × 6.70 × 3.40 in |
| Weight | 5.0 lbs |
IOTA Engineering, headquartered in Tucson, Arizona, is a U.S. leader in AC/DC conversion and smart battery charging systems. For over 40 years, IOTA has supplied dependable power solutions for solar energy, RVs, telecom, and critical backup systems. Known for innovation, rugged design, and field-tested reliability, the IOTA DLS Series continues to set the standard for safe, intelligent, and efficient DC power delivery across residential, commercial, and industrial markets.
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.
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