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Bioenno Power 12V/24V, 20A Solar Charge Controller (Model SC-122420JUD) is a versatile controller for use in solar systems with an integrated LCD display, that is designed to charge LiFePO4 (Lithium Iron Phosphate) batteries (and AGM/SLA batteries)! This solar controller accepts either 12V/24V input from solar panels and can handle up to 20 Amps. Featuring our proprietary CC/CV (Constant Current/Constant Voltage) circuitry, the solar controller provides a regulated voltage output for charging 12V or 24V LiFePO4 (and AGM/SLA batteries). The solar controller also provides a regulated 12V or 24V output for electrical loads (depending on whether a 12V or 24V battery is used). Solar controllers are required for all solar systems in order to maintain a regulated output voltage to charge batteries and for maintaining a regulating output voltage for loads.
Please note that for any solar setup in which you are using a panel in conjunction with a battery and/or a load a solar charge controller is absolutely necessary. DO NOT plug a panel directly into your battery or your load!
This controller does not boost voltage from the solar panel, but instead will regulate a high panel voltage from 50V downwards.
DC Barrel Plugs included.
SC-122420JUD User Manual [PDF]
Specifications System Voltage: 12V or 24V (automatic detection)Allowable Range for Input Voltage (from solar panels): 12V to 50V (when using 12V or 24V LiFePO4 Batteries / AGM and SLA batteries)
Output Voltage to LiFePO4 Batteries (and AGM/SLA batteries): 12V or 24VOutput Voltage to Loads: 12V or 24V (depending on battery configuration)Rated Charge Current (Current Delivered to Battery): Up to 20ARated Load Current: Up to 20ABatteries Compatible w/ Controller: Lithium Iron Phosphate (LiFePO4)Operating Temperature Range of the Controller: -31 F to 131 F (-30 C to 50 C)
Compatible 12V Lithium Iron Phosphate Batteries
Nominal Voltage: 12.8VCharging Voltage: 14.4VFloat Voltage: 13.8VLow Voltage Disconnect (LVD): 10.4VLow Voltage Recovery (LVR): 11.16VHigh Voltage Disconnect (HVD): 15.5V
Automated Charge Settings -- the controller detects the battery to charge: "b00: Default for LiFePO4"“b01: For AGM/SLA batteries"
Compatible 24V Lithium Iron Phosphate Batteries Nominal Voltage: 25.6V
Float Voltage: 28.8VLow Voltage Disconnect (LVD): 20.8VLow Voltage Recovery (LVR): 23.2VHigh Voltage Disconnect (HVD): 31.0V
"b00: Default for LiFePO4"“b01: For AGM/SLA batteries"
No Load Loss: <13 mAUSB Port: 5VDC/1ACharging Mode: CC/CV (constant current / constant voltage)Dimensions: 6.5 in. x 3.46 in. x 1.5 in.(166 mm x 88 mm x 38 mm)Weight: 0.59 lbs. (0.27 kg)
To Charge AGM/SLA Batteries - Override Procedure
To charge AGM batteries, you have to setup an override in the controller as follows:
The solar controller has an override feature to charge LiFePO4, SLA and AGM batteries. Attach the battery first to the controller, then see below:1) The 1st screen is the battery voltage also known as the "home" screen.2) Push the left red button. The second screen is the float voltage of the solar panel to the battery (13.8VDC).3) The 3rd screen is the charge voltage of the battery (14.4VDC).4) The 4th screen is the regulated voltage to the load (12.6VDC)5) Screen 5 is the cutoff voltage (10.8VDC)6) Screen 6 is a timer screen that is not implemented7) Screen 7 is the battery type. By default "b00" is for Lithium Iron Phosphate batteries. To charge SLA/AGM batteries, hold the left button for 6 seconds, and the "b00" display will start flashing, then push the right button to change to "b01".Screen 2, 3, 4, 5, 6 are hard-coded (hard-programmed) -- there's nothing that you would change on those screens.
Solar How To Guide [PDF]
Please contact firstname.lastname@example.org if you have any questions about compatible batteries for this solar controller.
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