Blue Sky Energy Solar Boost 25 Amp 12 Volt Charge Controller with Load Output

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Quick Overview

  • Controller with Load Output
  • Max Current: 25.0
  • Max Input Voltage: 50
  • Max Power 12VDC: 300.0
  • NEMA Rating: NEMA 1 (indoor)
  • Arc Fault Protection: Requires Separate Device
  • Warranty: 5-years
  • Blue Sky Energy Solar Boost 25 Amp 12 Volt Charge Controller with Load Output

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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 SB2512iX-HV

    Patented Maximum Power Point Tracking technology allows Solar Boost 2512i-HV and 2512iX-HV to increase charge current up to 30% or more compared to conventional charge controllers. The new higher input voltage capability of the HV version product now allows the use of higher voltage lower cost 60 cell PV modules to charge a 12 volt battery. Don’t waste your money by throwing PV power away! Get the power you paid for with a Solar Boost charge controller.

    The lower cost Solar Boost 2512i-HV provides an advanced fully automatic 3-stage charge control system to ensure the battery is properly and fully charged, resulting in enhanced battery performance with less maintenance. A partial IPN™ network interface is also included to allow use of the Universal Communication Module (UCM), and IPN-Remote and IPN-ProRemote displays.
    Additional features provided in the Solar Boost 2512iX-HV version include automatic equalization, battery temperature sensor input, full IPN network compatibility, and an auxiliary output. The auxiliary output can serve as a 25 amp load controller, 25 amp lighting controller , or as a 2 amp auxiliary battery charger. The auxiliary battery charge feature is ideal for charging a separate battery such as the engine battery in an RV.

  • 20/25 Amp 12 Volt Rating Supports A Wide Range Of Applications
  • Optional IPN-ProRemote Display Provides Charge Control & Full-Featured Battery Monitoring System
  • Supports up to 270W of 60 Cell modules
  • 3-Stage Charge Control with Filtered PWM Output Improves Battery Performance & Life While Minimizing Battery Maintenance
  • Clear Anodized Faceplate, Conformal Coated Electronics & Plastic Case Resist Corrosion
  • Automatic or Manual Equalization To Periodically Condition Flooded Lead-Acid Batteries
  • Full IPN Network Interface Coordinates Multiple Controllers & Shares Optional Battery Temperature Sensor & Display
  • Auxiliary Output Provides 25 Amp Load Control Or 2 Amp Auxiliary Battery Charge
  • Load Controller Provides Fully Adjustable Dusk To Dawn Lighting Control
  • Battery Temperature Sensor Input

    The higher input voltage capability of the HV version product allows the use of higher voltage lower cost 60 cell PV modules to charge a 12V battery.Automatic equalization, battery temperature sensor input, full IPN network compatibility, auxiliary output


    Series Blue Sky Energy
    Manufacturer Part Number SB2512iX-HV
    Warranty 5-years
    Description Charge controller
    Max Current 25.0
    Max Input Voltage 50
    Max Power 12VDC 300.0
    NEMA Rating NEMA 1 (indoor)
    Arc Fault Protection Requires Separate Device
    Length 6.0  IN
    Width 6.0  IN
    Height 3.0  IN
    Weight 2.0  LB


    Output Current Limit 25 amp maximum 36 cell modules t 20 amp maximum 60 cell modules
    Nominal Battery Voltage 12VDC
    PV Input Voltage 50VDC absolute maximum (Recommend maximum VOC at STC ≤ 40VDC)*
    PV Input Power Recommended maximum, 340W with 36 cell modules / 270W with 60 cell modules
    Power Consumption 0.30W typical standby t 1.0W typical charge ON
    Charge Algorithm 3-stage Bulk/Absorption/Float t Charge time in Absorption fixed at 2 hours (Range 0 – 10 hours )
    Absorption / Float Voltage 14.2VDC / 13.2VDC fixed value (10.0 – 20.0VDC )
    Physical Configuration and Dimensions Open frame construction with conformal coated electronics mounted to rear of 5.3” x 5.3” (13.5cm x 13.5cm) clear anodized aluminum face plate. Black ABS corrosion proof mounting box included, 2.5” (6.4cm) deep.
    Analog Input Accuracy / Range Battery / PV voltmeters, 35.0VDC / 55.0VDC ±0.50% FS t Input / Output ammeters, 30.0 amps ±0.50% FS
    Communication Complete IPN Network interface. Allows up to 8 IPN capable controllers to set up and operate as a single charging machine.,
    Equalization Voltage / Time 15.2VDC fixed value (range 10.0 – 40.0VDC ) t Automatic fixed at 2 hours each 30 days, may be disabled
    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 25 amp maximum; ON @ •12.6VDC / OFF @ 11.5VDC (Range 10.0 – 40.0VDC ), or net battery amp-hours )
    Auxiliary Lighting Control Variable Post-Dusk and Pre-Dawn timers , Range 0.5 – 20.0 hours
    Temperature Compensation Optional battery temperature sensor, -5.00 mV/°C/cell correction factor (Range -0.00 – -8.00 mV/°C/cell ) t sensor range -60 – +80°C
    Auxiliary Battery Voltage Auxiliary battery voltmeter, 35.0VDC ±0.50% FS
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