The Eco Energy S10D is a rugged 10-amp solar charge controller engineered for reliable off-grid performance with dual battery bank charging. Designed for 12V systems, it efficiently charges two separate battery banks from a single solar array, making it ideal for RVs, boats, work trucks, and remote cabins with starter and house batteries. Featuring 3-stage PWM charging with float mode, automatic night-time shutdown, and temperature-compensated charging, it delivers efficient, dependable power management in any climate. Housed in a durable stainless steel case and backed by a 5-year warranty, the S10D is designed and built in North America using solar power.
Key Features & Benefits
Dual Battery Bank Charging: Charges two separate 12V battery banks simultaneously from a single solar array – perfect for maintaining both starter and house batteries in RVs, boats, and work trucks.
10 Amp Charging Capacity: Provides up to 10 amps of charging current, suitable for small to medium-sized off-grid solar systems.
3-Stage PWM Charging with Float Mode: Maximizes battery efficiency and longevity through intelligent bulk, absorption, and float charging stages, ensuring optimal charge without overcharging.
Automatic Night-Time Shutdown: Automatically powers down when the sun sets, reducing power consumption to an ultra-low 0.2 mA and preventing battery drain.
Temperature-Compensated Charging: Automatically adjusts charge voltages based on ambient temperature, protecting batteries from undercharging in cold weather and overcharging in heat.
Rugged Stainless Steel Case: Housed in a corrosion-resistant stainless steel enclosure for long-lasting durability in harsh environments.
Ultra-Low Power Consumption: Consumes only 0.2 mA at night, 0.6 mA in daytime standby, and 2.5 mA while charging – preserving battery power for your loads.
Wide Operating Temperature Range: Operates reliably from -40°C to +50°C (-40°F to +120°F), suitable for year-round use in any climate.
Smart LED Status Indicator: Provides clear visual feedback: 3 flashes for charging, 2 flashes for bulk voltage achieved, and 1 flash for float mode activated.
5-Year Warranty: Backed by a 5-year warranty for long-term peace of mind.
Designed and Built in North America: Engineered and manufactured in Canada using solar power, reflecting a commitment to quality and sustainability.
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Eco Energy |
| Model | S10D |
| Nominal Battery Voltage | 12 VDC (custom 10–36V available) |
| Maximum Charging Current | 10 Amps |
| Maximum Solar Input Voltage | 25V (for 12V systems) |
| Charging Stages | 3-Stage PWM with Float Mode |
| Regulation Method | PWM, positive-side switching |
| Bulk Charge Voltage | 14.4V |
| Float Charge Voltage | 13.6V |
| Night-Time Power Consumption | 0.2 mA |
| Daytime Standby Consumption | 0.6 mA |
| Active Charging Consumption | 2.5 mA |
| Temperature Compensation | Automatic |
| Operating Temperature Range | -40°C to +50°C (-40°F to +120°F) |
| Terminal Compatibility | 12–24 AWG |
| Warranty | 5 years |
Mechanical Specifications
| Specification | Detail |
|---|---|
| Case Material | Stainless steel (rugged, corrosion-resistant) |
| Dimensions (W x H x D) | 3.125 x 5.5 x 1.75 in (8 x 14 x 4.5 cm) |
| Weight | 440 g (15.6 oz) |
LED Indicator Guide
| Flashes | Status |
|---|---|
| 3 flashes | Charging |
| 2 flashes | Bulk Voltage achieved |
| 1 flash | Float Mode activated |
Custom Options (Contact for Quote)
| Option | Description |
|---|---|
| Temperature Compensation Off | Disable automatic temperature adjustment |
| Custom Voltage Setpoints | Adjust bulk and float voltages for specialized batteries |
| Custom Wire Lead Lengths | Pre-attached wires longer than standard |
| Lithium Battery Protection | Low-temperature charging cutoff (no charging below +4°C / 39°F) |
| Custom System Voltage | 10–36V range available |