Blue Sky 12/24 VOLT 15 AMP MPPT Charge Controller

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Quick Overview

  • Max Current: 20.0
  • Max Input Voltage: 57
  • Max Power 12VDC: 240.0
  • NEMA Rating: NEMA 1 (indoor)
  • Arc Fault Protection: Requires Separate Device
  • Warranty: 5-years
  • Blue Sky 12/24 VOLT 15 AMP MPPT Charge Controller

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    Blue Sky Energy Solar Boost Charge Controllers

    The Blue Sky Solar Boost charge controllers feature Maximum Power Point Tracking (MPPT), reverse-polarity protection, selectable charge voltage set points, and an equalize function. An optional user-friendly digital display is available to monitor PV charge performance. The display shows battery voltage, solar current, charge current, and charge mode, either in the controller, as a remote panel installed up to 300' away, or both. Optional temperature sensor provides for compensation of charge voltage to further improve charge controller and battery performance. Solar Boost controllers are available with or without the digital display and optional remote display. 5-year limited warranty.

    Solar Boost SB1524iX

    Patented Maximum Power Point Tracking technology allows Solar Boost 1524iX to increase charge current up to 30% or more compared to conventional charge controllers. Don’t waste your money by throwing PV power away! Get the power you paid for with a Solar Boost charge controller.

    Solar Boost 1524iX’s advanced fully automatic 3-stage charge control system will properly charge flooded lead-acid, AGM and Gell batteriesk resulting in improved battery performance with less battery maintenance.The dual 15/20 amp rating will deliver up to 15 amps in 24 volt systems, or up to 20 amps in 12 volt systems. An automatic or manualk equalize function is also provided to periodically condition fllooded lead-acid batteries. To further enhance versatility, a user congurable auxiliary output and Blue Sky Energy’s advanced IPN™ network interface are also included.

    The user configurable auxiliary output can serve as either a 15/20 amp load controller, or as a 2 amp auxiliary battery charger.The load control feature can be used to limit excessive battery discharge in unattended remote systems, whereas the auxiliary battery charge feature is ideal for charging a separate battery such as the engine start battery in a boat or RV.The auxiliary output can also provide fully adjustable dusk to dawn lighting control.


  • 15 Amp 24 Volt & 20 Amp 12 Volt Rating Supports A Wide Range Of Applications
  • Optional IPN-ProRemote Display Provides Charge Control & Full-Featured Battery System Monitoring
  • 3-Stage Charge Control with Filtered PWM Output Improves Battery Performance & Life While Minimizing Battery Maintenance
  • Clear Anodized Faceplate, Galvanized Mounting Box & Conformal Coated Electronics Resist Corrosion
  • Automatic or Manualk Equalization To Periodically Condition Flooded Lead-Acid Batteries
  • IPN Network Interface Coordinates Multiple Controllers & Shares Optional Battery Temperature Sensor & Display
  • Auxiliary Output Provides 15/20 Amp Load Control Or 2 Amp Auxiliary Battery Charge
  • Lighting Controlk Provides Separate Post-Dusk & Pre-Dawn timers

    Automatic 3-stage charge control system will properly charge flooded lead-acid, AGM and Gell batteries resulting in improved battery performance & less battery maintenance. The dual 15/20 amp rating will deliver up to 15A in 24V or 20A in 12V systems.


    Series Blue Sky Energy
    Manufacturer Part Number SB1524iX
    Warranty 5-years
    Description Charge controller
    Max Current 20.0
    Max Input Voltage 57
    Max Power 12VDC 240.0
    NEMA Rating NEMA 1 (indoor)
    Arc Fault Protection Requires Separate Device
    Length 6.75 IN
    Width 6.5 IN
    Height 3.25 IN
    Weight 1.26 LB


    Output Current Limit 20 amp maximum (12V battery & 12V PV’s) • 15 amp maximum (battery or PV’s > 12V nominal)
    Nominal Battery Voltage 12 / 24VDC
    PV Input Voltage 57VDC maximum (Recommend Maximum Voc at STC ≤ 45.6VDC)*
    Power Consumption 0.20W typical standby • plus 0.40W each for charge ON & Load ON
    Charge Algorithm 3-stage Bulk/Acceptance/Float • plus automatic Equalize
    Acceptance Voltage 14.2VDCjfixed (range 10.0 – 40.0VDC)
    Float Voltage 13.2VDCjfixed (range 10.0 – 40.0VDC)
    Equalization Voltage 15.2VDCjfixed (range 10.0 – 40.0VDC)
    Voltage Setpoint Limit 15.5VDCjfixed (range 10.0 – 40.0VDC)
    Auxiliary Output Functionality Single output field configurable as either: 25 amp load controller –or– 2 amp auxiliary battery charger
    Auxiliary. Battery Charge 2 amp typical, same charge voltage as primary battery
    Auxiliary Load Control 20 amp / 15 amp maximum, ON ≥12.6VDCj / OFF ≤11.5VDCj(Range 10.0 – 40.0VDCk, or battery amp-hours from fullk)
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