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The most efficient, high-yield battery charging technology available, at a price normally associated with PWM designs.

In any PV/solar energy system with energy storage, performance is dependent on the batteries, and the batteries in turn entirely depend on the charge controller for charging efficiency and longevity. SmartHarvest makes it possible for a wider range of PV solar electricity systems to take full advantage of premium Maximum Power Point Tracking (MPPT) charging technology with the SCCM20-100—MPPT, for the price of the usual Pulse Width Modulation (PWM) style products generally found in smaller-scale systems.


The SmartHarvest SCCM20-100 improves system economics in several ways. It is designed for installation and set-up simplicity, reducing labor time in the field. By maximizing solar energy harvesting under a wider variety of environmental conditions, MPPT technology helps the system extract as much electricity as possible for more effective energy storage. It is ideal for use in a wide-range of residential, light commercial, agricultural, community and other applications that can benefit from better yields through more advanced charge controller technology.

Technical Specifications

  SmartHarvest SCCM20-100 Specifications
Maximum Output Current (I) 20
Nominal Battery Voltages 12/24
Input Panel Power (Wp) 300/600
Panel Intelligence MPPT
Maximum Input Voltage (Voc) 100
Charging Regulation Four stages: bulk, absorb, float and equalization
Bulk Voltage (VDC) Flooded: 14.8/29.6 VRLA: 14.6/29.2 
Absorb Voltage (VDC) Flooded: 14.8/29.6 VRLA: 14.4/28.8 
Absorb Time 2 hours 
Float Voltage (VDC) Flooded: 13.2/26.4 VRLA: 13.5/27.0 

Equalization Voltage (VDC)
(Flooded Batteries Only)

Flooded: 15.5/31.0 

Equalization Time

1 hour 

State of Charge Low Voltage
Disconnect (V)


Low Battery Load Reconnect (VDC)


High Battery Load Disconnect (VDC)

Temperature Compensation -5mV/°C
Battery Type Selection
VRLA/Flooded—selectable via jumper.  Factory default VRLA (jumper inserted)
Data Logging Internal data logging up to one week, longer data logging available with monitoring software.
Standby Current (mA) <5
Peak Efficiency


Display 3 LEDs
IP Class IP20
Operating Temperature Range -40° to 60° C
Humidity 0-95% RH non-condensing
Dimensions HxWxD (in/cm) 4.3x7.8x2.2 / 11.0x19.7x5.7 
Weight (lb/kg) 2.16 / .98 
Certifications CE, IEC/EN 62109-1
Warranty Standard 2 year
Updated: Oct 09, 2015