Eco Energy S3 3A 12V PWM Charge Controller

Eco Energy S3 3A 12V PWM Charge Controller

  • Availability: Usually ships within 48 hours
  • Item Code#: ECOE-01028
    Manufacturer Part#: ASC-S3-12V
  • Quantity Pricing:
    1 +
    $32.00 each
    10 +
    $29.50 each

The S3 is a new controller from Eco Energy. Designed for systems with any size batteries, very low 0.6mA battery consumption, 3 stage PWM charging with float mode, and can be used with lithium batteries (custom model). For additional information, please see the user manual linked below.


  • Protection (PV & Batt), against short-circuit* & reverse polarity*, overload, over temperature & battery removal (*except 24V model)
  • Extreme design -40C to +50C (-40F to +120F)
  • Temperature Compensation
  • Reliable - 100% solid state
  • Fully encapsulated in epoxy potting
  • 5 year warranty
  • Manufactured with solar power
  • Designed and built in North America

    Custom Options (Contact us for a quote)
  • PWM Off (to ensure no radio interference)
  • Temperature Compensation Off
  • Custom voltage setpoints
  • Custom wire lead lengths
  • Lithium Battery (no charging below 4C)