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Blue Sky Energy Solar Boost 3024DiL 40Amp/12V – 30Amp/24V
MPPT Charge Controller with Display

Get Improved Performance From Your PV Modules And Batteries

  • Patented MPPT Technology Increases Charge Current up to 30% Or More!
  • 40 Amp 12V or 30 Amp 24V rating supports a wide range of applications
  • Auxiliary Output Serves As 20 Amp Load Controller Or 2 Amp Battery Charger
  • IPN Network Interface Coordinates Multiple Controllers & Shares Optional Battery Temperature Sensor & Display
  • Optional IPN-ProRemote Display Provides Complete Charge Control & Battery System Monitoring, Eliminating The Need for A Separate Battery Monitor Device
  • 3-Stage Charge Control With Filtered PWM Output & Auto/Manual Equalization Improves Battery Performance & Life
  • MPPT Power Converter Can Charge 12 V Batteries From 24 V PV Modules
  • Durable Powder Coat Finish & Conformal Coated Electronics Resist Corrosion
  • Full 24 Month Limited Warranty, Optional Extended Coverage Available

Maximum Power Point Tracking Increases Charge Current Up To 30% Or More!

Solar Boost 3024DiL’s advanced fully automatic 3-stage charge control system will properly charge flooded lead-acid, AGM and GEL batteries resulting in improved battery performance with less maintenance. The dual 30/40 amp rating will deliver at up to 30 amps in 24 volt systems, or up to 40 amps in 12 volt systems. An automatic or manual equalize function is also provided to periodically condition flooded lead-acid batteries. To further enhance versatility, a user configurable auxiliary output and Blue Sky Energy’s advanced IPN™ network interface are also included.

Blue Sky Energy’s advanced Integrated Power Net™, or IPN Network, allows up to 8 IPN capable charge controllers to communicate with each other and operate as a single machine rather than separate charge controllers. The IPN network also allows networked controllers to share an optional battery temperature sensor and remote display. The IPN network does not require a display or other special hardware to operate.

The user configurable auxiliary output can serve as either a 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 battery in an RV. The auxiliary output can also provide fully adjustable dusk to dawn lighting control.

How Do Solar Boost Charge Controllers Increase Charge Current?

Solar Boost controllers increase charge current by operating the PV module in a manner that allows the module to produce all the power it is capable of. A conventional charge controller simply connects the module to the battery when the battery is discharged. When the 75W module in this example is connected directly to a battery charging at 12 volts its power production is artificially limited to about 53 watts. This wastes a whopping 22 watts or nearly 30% of the available power!

Patented MPPT technology used in Solar Boost controllers operates in a very different fashion. The Solar Boost controller continually calculates the module’s maximum power voltage, in this case 17 volts. It then operates the module at its maximum power voltage to extract maximum power. The higher power extracted from the module is then provided to the battery in the form of increased charge current. In conditions where extra PV power is not available, Solar Boost controllers will operate as a conventional controller with very low voltage drop.

Typical 75W PV Module Performance 25°C Cell • 1000W/m2

The actual charge current increase you will see varies primarily with module temperature and battery voltage. In comfortable temperatures, current increase typically varies between 10 to 25%, with 30% or more easily achieved with a discharged battery and cooler temperatures. What you can be sure of is that Solar Boost charge controllers will deliver the highest charge current possible for a given set of operating conditions.


Solar Boost 3024DiL

Output Current Rating
30 Amp @ 24 Volts / 40 Amp @ 12 Volts
Nominal Battery Voltage
12 / 24VDC
PV Input Voltage
57VDC maximum
Power Consumption
0.35W Typical standby • 1.0W Typical charge on
Charge Algorithm
3-stage Bulk/Acceptance/Float Plus Equalize
Acceptance Voltage
14.4VDC (range 14.0 – 14.8VDC*, 10.0 – 40.0VDC**)
Float Voltage
13.4VDC (range 13.2 – 13.8VDC*, 10.0 – 40.0VDC**)
Equalization Voltage
15.2VDC (range 10.0 – 40.0VDC**) • automatic or manual operation
Auxiliary Output Function
Single output field configurable as either: 20 Amp load controller –or– 2 Amp auxiliary battery charger
  • Aux. Battery Charge
  • Load Control
  • Dusk to Dawn Control
  • 2 Amp typical, same charge voltage as primary battery
  • 20 Amp maximum; ON @ =12.6VDC / OFF @ =11.5VDC (Range 10.0 – 40.0VDC**, or net battery amp-hours**)
  • Variable Post-Dusk and Pre-Dawn timers, Range 0.5 – 20.0 Hours
Temperature Compensation
Optional temperature sensor adjusts charge voltage setpoints based on measured battery temperature, -5.00 mV/°C/cell correction factor (Range -0.00 – -8.00 mV/°C/cell**) • sensor range -60 – +80°C
Power Conversion Efficiency
97% @ 28 Volt 24 Amp Output
Cabinet Dimensions
6 7/8”H x 6 5/8”W x 3 3/8”D (17.4cm x 16.8cm x 8.59cm)

Analog Input Accuracy

Battery & Aux. Battery voltmeters, 40.0VDC ±0.50% FS • PV voltmeter, 60.0VDC ±0.50% FS
42.0A +/- 0.50% FS 

Blue Sky Energy’s proprietary IPN Network interface
-40 – +40°C, 10 – 90% RH non-condensing
ETL Listed to UL STD. 1741, Certified to CAN/CSA STD. E335-1/2E, CE labeled, FCC part 15 certified


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