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12V/24V, 20A Solar Charge Controller for LiFePO4 Batteries (SC-122420JUD)

12V/24V, 20A Solar Charge Controller for LiFePO4 Batteries (SC-122420JUD)

$49.99

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.  

 

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 24V
Output Voltage to Loads:  12V or 24V (depending on battery configuration)
Rated Charge Current (Current Delivered to Battery):  Up to 20A
Rated Load Current:  Up to 20A
Batteries 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: 12.8V
Float Voltage:  14.4V
Low Voltage Disconnect (LVD):  10.4V
Low Voltage Recovery (LVR):  11.16V

Automated Charge Settings -- the controller detects the battery to charge:   
“b01:  14.2V”
“b02:  14.4V”
“b03:  14.6V”
"b04: 14.6V"  - Default for LiFePo4 
High Voltage Disconnect (HVD):  15.5V 

 

Compatible 24V Lithium Iron Phosphate Batteries 
Nominal Voltage: 25.6V

Float Voltage:  28.8V
Low Voltage Disconnect (LVD):  20.8V
Low Voltage Recovery (LVR):  23.2V
Boost Voltage:

“b01:  28.8V”
“b02:  28.4V”
“b03:  29.2V”

High Voltage Disconnect (HVD):  31.0V

No Load Loss:  <13 mA
USB Port:  5VDC/1A
Charging 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 implemented
7) 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.

Please contact sale@bioennopower.com if you have any questions about compatible batteries for this solar controller.

 

Policy 
Shipping: Standard 
Returns/Exchange: 30 Days 
Warranty: 1 Year  Warranty


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