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Blue Sky Solar Boost 50 Amp MPPT

Blue Sky Solar Boost 50 Amp MPPT
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Price: $504.24
Availability: 10
Model: SB50L
Manufacturer: Blue Sky Energy
Average Rating: Not Rated

Available Options:
SB50 Remote Digital Display:
Remote Temperature Sensor:

Blue Sky Energy Solar Boost 50 Amp Charge Controller


The Blue Sky Solar Boost 50 solar charge controller can regulate 12 volt solar electric systems up to 670 watts. With all options this kit contains all the major components to get started with your install.

From the Manufacturer

Pattented Maximum Power Point Tracking (MPPT) technology allows Solar Boost 50 to increase charge current up to 30% or more compared to conventional charge controllers. Don't wast money throwing PV power away! Get the power you you paid for with a Solar Boost charge controller.

Solar Boost controllers also provide an advanced fully automatic three stage charge control system to ensure the battery is properly and fully charged, resulting in enhanced battery performance with less battery maintenance. An equalize function is also included to periodically condition liquid electrolyte lead-acid batteries.

An optional user friendly digital display is availalbe to monitor PV charge performance. Optional temperature compensation of charge voltage is also available to further improve charge control and battery performance. (Both included with this kit.)

Product Features

  • Patented MPPT technology increases charge current up to 30% or more
  • Three stage PWM charge control optimizes charge parameters to battery size and type
  • MPPT power converter can charge lower voltage battery from higher voltage array
  • Electronic current limit prevents overload or nuisance fuse blow
  • Available digital display monitors PV charge performance
  • Durable power coat finish and conformal coated electronics resist corrosion
  • Fully protected against excess current, temperature, transient voltage and polarity
  • 5 year warranty
  • Dimensions: 10" H x 8 3/4" W x 3.5" D
  • Weight: 8 lbs.

Available Options
SB50RD25 Remote Display
The IPNREM remote digital display shows solar current, output charge current and battery voltage. In addition the IPNREM has a charge status LED which blinks at different rates to present the charging mode; Off (night), Bulk, Acceptance, Float or Equalize. The IPNREM comes with a 25' RJ45 cable.

Remote Temperature Sensor (RTS)
The battery temperature sensor allows the charge controller to continuously adjust charge voltage based on actual battery temperature. Temperature compensation of charge voltage assures that the battery receives the proper charge voltage as battery temperature changes during normal operation. Applying the proper charge voltage is critical for achieving optimum battery performance and longevity. The ideal charge voltage required by batteries changes with battery temperature.

Solar Boost 50L data sheet
Solar Boost 50L Owners/Installation manual
Battery temperature sensor data sheet
Sorry - No manuals are available for the SB50RD25 remote display

What's in the Box
1 - Blue Sky SB50L MPPT charge controller
1 - SB50L Owners/Installation manual
Any optons ordered

Notes from the Installation Team
We've only installed a few of the SB50L's as the 3024iL usually covers our customer's needs. The SB50L is fairly large measuring 10" x 8.75" x 3.5". The size is not a problem as it is usually installed in larger RV's. The SB50L is not that difficult to install providing you've read the manual. The SB50L must be mounted vertically to dissipate heat thru the heat sink. The controller has two knockouts on the top for solar in and four knockouts on the bottom for battery out, temp sensor in and remote display in.  Connetcitons inside the wiring box are compression type that accept up to 1/0 AWG solar in and battery out.

The SB50RD25 remote display requires either a cut out for flush mount installation or a custom made frame for wall mounting. The display is about 4" square. The SB50RD25 remote display simply plugs into the SB50L controller. The face of the SB50RD25 has a three position switch that changes the LCD display from battery voltage to solar panel current or output charge current. The display also has an LED that blinks at three different speeds which indicates if the system is in bulk, acceptance or float charge modes.

What you need to Acquire
Length of 10 or 8 gauge AWG wire to ground the controller to chasis
1 - 60 amp maxi fuse and fuse link or a 60 amp circut breaker
3 to 4 strain reliefs (we prefer the waterproof type)


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Blue Sky Solar Boost 50 Amp MPPT
Click to enlarge
Blue Sky Solar Boost 50 Amp MPPT
Click to enlarge
Blue Sky Solar Boost 50 Amp MPPT
Click to enlarge
Blue Sky Solar Boost 50 Amp MPPT
Click to enlarge