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Blue Sky SB-50DL SolarBoost 12/24V 50A MPPT Charge Controller with Digital Display
Patented 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 waste money by throwing PV power away! Get the power 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.
A user friendly digital display is included to monitor PV charge performance. Optional temperature compensation of charge voltage is also available to further improve charge control and battery performance.
Features:
- Get Improved Performance From Your Solar Modules And Batteries
- Patented MPPT technology increases charge current up to 30% or more!
- 50A/24V ratings support large solar module arrays
- Three stage PWM charge control optimizes charge parameters to battery size & 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 powder coat finish & conformal coated electronics resist corrosion
- Fully protected against excess current, temperature, transient voltage & polarity
- Full 36 month limited warranty, optional extended coverage available
- ETL listed to UL STD. 1741, certified to CAN/CSA STD. E335-1/2E, CE labeled
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| SPECIFICATIONS |
| Current Rating: | 50 Amp Maximum |
| Nominal System Voltage: | 12 / 24VDC Field Selectable |
| PV Open Circuit Voltage: | 57VDC Maximum |
| Standby Power Consumption: | 30mA Typical |
| Charge On Power Consumption: | 150 / 90mA @ 12 / 24VDC |
| Charge Algorithm: | 3 stage charge with adjustable control |
| Acceptance Voltage Setpoint: | 13-16VDC / 26-32VDC |
| Float Voltage Setpoint: | 0-2VDC / 0-4VDC < Acceptance |
| Equalization Voltage: | Acceptance + 1.0 / 2.0VDC |
| Voltage step-down: | Can charge 12V battery from 24V Array |
| Temperature Compensation: | Optional temperature sensor, field selectable slope |
| Power Conversion Efficiency: | 97% @ 40 Amp Output |
| Cabinet Dimensions: | 10"H x 83/4"W x 31/2"D (255mm x 226mm x 87.4mm) |
| Digital Display: | Shows PV input current, output charge current, battery voltage, |
| charge mode and state of charge. |
| Digital Display Range/Accuracy: | 70.0VDC / ±0.30% F.S., 60.0A / ±0.50% F.S. |
| Specified Temperature Range: | 0 to +40ºC |
| Extended range: | -40 to +60ºC, will operate but may not meet spec |
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*Datasheet is available in Adobe's PDF format.
To view the datasheet, you must have Adobe Acrobat Reader installed on your computer. If you do not have Acrobat Reader, you may click here to download it for free. |

© 2008 Discount Solar • 321 Plum Drive, Exeter, CA 93221 • Phone toll-free 1-877-77-SOLAR
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