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Steca 12v 24v 6.6 Amp Solsum F Series Solar Charge Controller

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Product InformationStore Part Number: Solsum6.6f


The Solsum F Series continues the huge success of one of the most used Solar home system controllers. With a power range of up to 6.6 A and an automatically recognized 12 V or 24 V it fits to a system sizes of maximum 80 W. The circuit board is completely electronically protected and with the LED user interface it is easy to check the battery state of charge at any time. Large terminals guarantee a simple connection of solar panels, battery and load. The Steca Solsum F works on PWM as a low loss series solar charge controller.


  • Series controller
  • Voltage regulation
  • Automatic detection of voltage
  • PWM control
  • Multistage charging technology
  • Current compensated load disconnection
  • Automatic load reconnection
  • Temperature compensation
  • Common positive grounding or negative grounding on one terminal
  • Monthly maintenance charge


A simple yet efficient plug and play controller that gives you state of charge LED's, as well as a monthly restart for batteries in storage.

Tech Specs

  • Dimensions (LxWxH): 5.7 x 3.9 x 1.2 in
  • Weight: .4 lb
  • Shipping Weight: 1 lb
  • Max Current, During Bulk Charge: 6.6
  • DC Output Voltage: 12/24
  • Charge Voltage: 14.4/28.8
  • Manufacturer: Samlex
  • Float Voltage: 13.9/27.8
  • Typical Efficiency: Self Draw >4mA
  • Charge Reset: Battery Voltage Threshold: 11.4 LVD
  • Recommended Use: Small solar charging system
  • Ambient Temp Charge: -25°C to +50°C
  • Manufacturer Part #: Solsum6.6f
  • Made In: Taiwan

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Manuals & Tutorials


Solar Tutorial

Order Line: 1-800-362-5397
M–F 6am–5pm PST
Tech Help: 541-474-4421
Fax: 541-471-6014
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Grants Pass, OR 97526
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