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Greystone SMK Series Off Grid Solar System MPPT Solar Charge Controller

MPPT Solar Charge Controller has three stages (constant current, constant voltage, floating charge)charge mode, it prolongs service life of the batteries.

  • Brand:

    FOTOVO
  • Item NO.:

    GSC-SMK
  • Order(MOQ):

    1
  • Payment:

    T/T, L/C, Paypal, Western Union
  • Price:

    $285/PCS
  • Product Origin:

    China
  • Color:

    Black/White
  • Shipping Port:

    Guangzhou
  • Lead Time:

    15
  • Certificate:

    CE, RoHS, FCC
  • Warranty:

    3
  • Product Detail

FOTOVO SMK Series Off Grid Solar System MPPT Solar Charge Controller


Product Description


Advantages

1. MPPT charge mode, conversion efficiency up to 99%.

2.12V/24V/36V/48V battery system automatic recognition, convenient for customers to use.

3. Maximum PV input voltage up to DC150V.

4. Controllers can be connected in unlimited parallels.

5. Charge mode: three stages (fast charge ,constant charge ,floating charge). To extend the life span of the battery

6. Discharge mode: ON/OFF mode, double time control mode, PV voltage control mode, PV voltage+time delay mode and so on .

7. Recommended battery types: sealed lead acid, Vented, Gel, NiCd battery. Other types of the batteries can also be defined, such as lithium battery etc.

8. CE, RoHS, FCC certifications approved, other certifications can also be made based on different requirements.

9. 2 years warranty and 2~10 years extended technical service.


 


Equipment Parameters

Product Name
GSC-Wiser         Style
MPPT Charge Controller
Brand
Greystone Colour
White/Customize
Material
Metal 
Place of Product
Guangdong Province,China
Net Weight
9kg Packing
Packed in carton and Shockproof
Gross Weight 10kg Mode Name
Wiser

Model  GSP-50A GSP-60A GSP-70A GSP-80A GSP-90A GSP-100A
Solar System Voltage 12V/24V/36V/48V auto work
Electrical
Max PV Input Power 12V 700W 12V 900W 12V 1000W 12V 1200W 12V 1300W 12V 1400W
24V 1400W 24V 1800W 24V 2000W 24V 2300W 24V 2600W 24V 2800W
36V 2200W 36V 2600W 36V 3000W 36V 3300W 36V 3800W 36V 4200W
48V 2900W 48V 3400W 48V 4000W 48V 4600W 48V 5000W 48V 5400W
Rated Output Current 50A 60A 70A 80A 90A 100A
Rated DC Load Current 60A
Self Consumption 3W
Max.Conversion Efficiency 98.50%
Protection PV array short circuit,over charging,battery reverse polarity,output short circuit
Battery Charging
Battery Type Sealed Gel AGM Flooded Lithium
Charge Algorithm 4 stage:Bulk,Absorption,Float,Equalize charging
Bulk Charge Voltage Sealed :14.4V AGM 14.2V Gel:14.2V Flooded:14.6V User defined:10-15V
Float Charger Voltage Sealed:14.6v AGM:14.8V Flooed:14.9V
Load disconnect voltage 10.5V~12V adjustable
Load reconnect voltage 12.5V
Temperature Compensation 5mV/℃/2V with BTS
Communication
Communication Port Rs485 (standard)Ethernet RS232 Optional with online monltoring system
Physical
Net weight 6.5kg 6.5kg 7.8kg 7.8kg 9kg 9kg
Gross weight 7.3kg 7.3kg 8.7kg 8.7kg 10kg 10kg
Dimension(mm) 310*230*110 370*230*110 405*230*110
Cooling Heatsink cooling
Enclosure IP 45
Environment
Ambient Operating —25℃-60℃
 Temperature
Storage Temperature —40℃-80℃
Humidity 5%-95% non-condensing
Warranty 2 years

Factory and Delivery


solar charger controller



FAQ


1. Where can I review the products parameter and manual before purchasing?

A: Related files can be found through through official website - Download.


2. Can you provide OEM or ODM service for customers?

A: Yes. Customers should provide formal Letter of Authorization. We will keep our partnership strictly confidential and customized products will be not sold to any third party.


3. Can MPPT charge controller charge lithium battery? How to set it?

A: Yes. All series controllers can set up “User-defined” battery type for lithium battery by APP or PC software. Galaxy, Master, Mars series can be reset battery type on controller itself, too.


4. How to set up the parameter to charge lithium battery?

A:At present, the MPPT controller charging is mainly designed for the traditional conventional battery pack (12V is composed of serial and parallel series), and the battery system is automatically identified according to the battery voltage. Therefore, if the lithium battery pack needs to be charged, it needs to be converted into a conventional battery. Group, the conversion method is as follows:

The nominal voltage of the lithium battery pack is between 9~15V, just like the 12V conventional battery pack, the internal

calculation ratio is=1;

The nominal voltage of the lithium battery pack is between 18~30V, just like the 24V conventional battery pack, the internal

calculation ratio is 2;

The nominal voltage of the lithium battery pack is between 32~40V, just like the 36V conventional battery pack, the internal

calculation ratio is 3;

The nominal voltage of the lithium battery pack is between 42~60V, just like the 48V conventional battery pack, the internal

calculation ratio is 4;

The nominal voltage of the lithium battery pack is between 72 and 120V, just like the 96V conventional battery pack, the internal

calculation ratio is 8;

The nominal voltage of the lithium battery pack is between 144~240V, just like the 192V conventional battery pack, the internal

calculation ratio is 16;

At the same time, there are two main parameters for battery charging, one is the main charging voltage value and the other is the

floating charging voltage value; so please check the main charging voltage value of the lithium battery pack first, and the

lithium battery pack has no floating charging pressure value, so it is recommended Set the float voltage value ≤ main charge

voltage value -- (0~0.3V)

For example, the parameters of a user's lithium battery pack are as follows: the nominal voltage is 48.1V (consisting of 13 3.7V

cells in series), and the maximum charge cut-off voltage is 54.6V (4.2V*13) (this parameter refers to Main charging voltage),

The steps for setting the MPPT controller parameters for the lithium battery pack are:

1). Calculate the conventional battery pack corresponding to the lithium battery pack, and the internal calculation ratio; 48.1V

is between 42~60V, just like the 48V conventional battery pack, the internal calculation ratio is 4;

2). Set the battery type to Custom Type User defined

3). Set the main charging voltage value = 13.65V (54.6V/4=13.65V; internal calculation magnification = 4)

4). Set the float voltage value between 13.33 and 13.65; (the main charge voltage is 13.65V-(0~0.3V)

The above settings can be made by the host computer, WiFi module, or controller (requires the model that can be set)


5. Is there a setting on the controller to tell it whether the batteries are sealed lead-acid or gel?

A: Yes, all of our MPPT charge controller can be checked and set up the conventional battery types (Sealed/Gel/Flooded) by LCD screen, APP and even PC software.



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