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Details about  Patented product 20A 12/24V auto work MPPT solar charge controller regulator

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Patented product 20A 12/24V auto work MPPT solar charge controller regulator
Patented-product-20A-12-24V-auto-work-MPPT-solar-charge-controller-regulator
Item Ended
Item condition:
New
Ended:
15 May, 2015 06:27:40 BST
Price:
US $125.00
[
History:
]
 
Approximately £81.92(including postage)
Postage:
Free Economy Int'l Shipping | See details
International items may be subject to customs processing and additional charges.  help icon for delivery - opens a layer
Item location:
CN, China

Description

eBay item number:
320956716266
Seller assumes all responsibility for this listing.
Last updated on  30 Apr, 2015 04:15:21 BST  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
Brand: ECO-WORTHY
Country/Region of Manufacture: China Model: 20A MPPT solar charge controller
More efficiency: 35-43% more efficiency compare to PWM controller MPN: ECO-MPPT20-1
Easy runing: with big LCD display

ledsolar

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20A 12V/24V MPPT solar charge controller regulator 15-30% more power

Here  is 1 pc 20A MPPT solar charge controller
 
Be the first to learn about new products and great deals by liking us on Facebook : ECO Ltd 
 
 
Are you tired of low efficiency? fack MPPT? no adjustable voltage and high solar panel cost?
Use our  20A 12V/24 MPPT solar charge controller with  efficiency increased by 15-30%!
 
 


 
Specification:                                                   
 
MPPT: Maximum Power point tracking
mppt_header
 

Rated system voltage

12V/24VDC

Max open circuit voltage of solar panel

15-50V DC

Max solar panel power

275W 12V/550W 24V

Max output current

20A

Max discharge current

20A

Over discharge current

10.2-12.5V(±0.2)12V/20.4-25.0V(±0.2)24V

Restart voltage

10.3-13.5V(±0.2)12V/20.5-27.0V(±0.2)24V

Constant voltage(Over charge)voltage

13.0-15.5V(±0.2)12V/26.0-31.0V(±0.2)24V

Float voltage

12.5-14.5V(±0.2)12V/25.0-29.0V(±0.2)24V

Converter type

Buck

Converter efficiency

>96%

Max increase efficiency

>43%

Tracking efficiency

>98%

Precision of clock

±50S/Month

Charging algorithm

PWM 3 stage:impulse,bulk and float

Five output modes

Manual,Standard;Timer;Light sensor;

Light sensor on +Timer off

Main body

Fully aluminum housing

Standby power consumption

<15mA 12V/<25mA 24V

Operating temperature

-20℃ +50℃

Protect class

IP22

Weight

550g

 
 
It have Over charge, over discharge, overload, short circuit protect functionl.
Can be acted as a power meter which shows battery voltage, charging current, charging power, output status, output mode, time, and accumulate power saving.
 
Wiring diagram
tabbing wire_副本_Copy3
 
 
Application:
 
suitable for periodicity discharge system, such as solar street light ,solar pump, etc..
 

                                         Why choose MPPT controller?

 <Picture 1 > on charging when using common controller                        
 
2_Copy15 
 
 
< Picture 2> on charging when using our MPPT controller
 
 
 
    
We know P=UI, so the power is 12x5.54=66.5w. (see pic. 1)
But from our MPPT controller, you can get power up to 18x5.54=12x8.31=100 WATT ! (see pic. 2)
Therefore, when the Vpmax= 18v, Battery voltage Ub=12v, the Eff= 100/65= Vp/Ub=18/12=1.5.
 
In other words, the MPPT controller can increase nearly 50% efficiency than the common controller!
In practical use, the efficiency will be effected by the temperature, sunshine, conversion efficiency, etc..  so usually a good MPPT can increase the efficiency up to 15-30% for you.
 
 
 Package Included                                           

 1  piece 20A MPPT solar charge controller


FAQ:

1.  What is MPPT?
    MPPT or Maximum Power Point Tracking is algorithm that included in charge controllers used for extracting maximum available power from PV module under certain conditions. The voltage at which PV module can produce maximum power is called ‘maximum power point’ (or peak power voltage). Maximum power varies with solar radiation, ambient temperature and solar cell temperature.

2. What kind of battery can be used?

  Gel battery and lead-acid battery. 
  Lithium battery also suitable, but it needs to change setting and only apply for bulk order.

3. Can it charging 12v battery system by 24v solar panel?
   Yes, no problem.

4. How to connect & disconnect  it with solar panel, load and battery.
  connect sequence: Battery(1st)-Load(2nd)-Solar panel(3rd).
  disconnect sequence: Solar panel(1st)-Battery(2nd)-Load(3rd). 

5. What's max solar input?
   50v. over it will be short circuit.

6. Why the voltage is too high?
   Supposed you charge 12v battery, then you need to make sure the panels are connected in parallel to get 18V.
 
 
 
 

 
Seller Recommendation:
Payment

 

  • We do prefer Paypal for easy and safe transaction

 

  • T/T is welcome, please contact our eBay service group  for bank information.we are group company based ebay seller, the solar panel producing capacity up to 300MW per year, wholesale business is warmly welcome.company bank account of many currency such as USD, EURO,GBP is the best way for bulk order

 

 

 

 

Delivery details

100% shipping assurance

 

 

 

  •  Most of items we are selling are in stock,can be dispatched within 1 business day after payment confirmation

 

 

 

 

  •  ePacket to worldwide: 1. No tracking# air parcel for the order amount small than $30.00. 2. Tracking No (registered) air parcel for the order amount above $30. if you want the tracking no service for your small order ,please  contact our eBay service group  for extra service. 

 

 

  •  It will take 30-35 business days to worldwide, delivery schedule listed below.

 

 

 

 

  •  If any item are out of stock while you won the bid already, we will contact you for delay confirmation

 

 

 

 

 

  •  Please track your item with the tracking no we updated to you.

 

 

 

  • For broken solar panel or damaged parcel you received, please don't worry, we will responsible for your order,but firstly please help us to take the photos for damaged item and claim to Fedex or DHL, at the same time contact our eBay service group   ,we will claim to Fedex here too.please be make sure the picture should included the broken place, inner package, and the outer package,Fedex only accept the claim with all pictures we mentioned above.we will send you the replacement or full refund to you after picture verifying.
  • For lost item: we will send the replacement or full refund based on your option

 

 

 


        Delivery schedule to worldwide:


Country Delivery Time
Working Days (not including holiday) 15-19 20-32 33-48 >50
Working Days + Saturday + Sunday 21-25 26-45 45-60 >59
Asia country Rate (item arrived ) 90% 10% 0% Refund
Ireland Rate (item arrived ) 40% 60% 0% Refund
United Kingdom Rate (item arrived ) 40% 60% 0% Refund
Greece Rate (item arrived ) 40% 60% 0% Refund
Turkey Rate (item arrived ) 35% 60% 5% Refund
France Rate (item arrived ) 15% 80% 5% Refund
Germany Rate (item arrived ) 20% 70% 10% Refund
Russian Rate (item arrived) 10% 50% 40% Refund
Spain Rate (item arrived) 5% 45% 50% Refund
Argentina Rate (item arrived) 5% 35% 60% Refund
Italy Rate (item arrived) 5% 15% 80% Refund
Brazil Rate (item arrived) 5% 15% 80% Refund


We will try our best to satisfy with each client, if any unhappy, just contact us via ebay message, we definitely get the best solution for you. Opening case and Leaving negative feedback won’t solve any problem, communication is the best way to claim all your rights. 

PS: If Italy and brazil buyer do not accept shipping time, please contact us for the shipping details.  

We would like to do as you reasonable request.    
1, Please DON'T leave negative or neutral feedback if you haven't received items within time schedule,
 because we have mentioned the shipping time clearly.     
2, If you hope faster shipping, you can choose EMS/DHL Fedex etc based on surcharge from courier, 
we are very pleased to choose the right shipping way for you.   
3, all orders will be shipped within 24 hours upon receipt of payment. We will ship the goods by  
China post without tracking No,if your order value above 20USD,we will add tracking No  at free charge
4, If delivery time over than 60days( the goods are lost on the way, we will full refund or send  

the new item again based on your option  

 

Terms of sales
  • All of your order only be shipped it out based on payment receiving 

  • We require the payment via Paypal or T/T within 32 days after your purchasing

 

  • For order purchased by mistake or you changed the mind, just contact our eBay service group , we will cancel your order manually based on your notice, we will soft hardly choose the reason for unpaid case as the client made a mistake or changed the mind so we both agreed on order canceling.Please don't worry about your account performance, such kind of unpaid case make no sense to the performance neither your personal credit.
  • For Bulk order,just  contact our eBay service group , we will choose the best shipping way for you.

 

Return Guideline:


       Only faulty item return be accepted within 14 days after you receiving the item

       Only new original item is acceptable, including any accessories, manuals.

       Buyer responsible for the return shipping cost, LEDSOLAR pay for the back shipping cost.

       All return should be Contact our EbaCS group firstly.

       We might ask buyer send some picture of faulty item in order to eliminate improper use, buyer has      responsibility to cooperate and follow the test correctly.

      We won't  responsible for the lost item on the back way shipping

      We will send back the item which there is no defective after checking , buyer  responsible for all expense

About us

 

We are manufacturers and wholesalers of solar panels and renewable energy products. the solar business has been established since 2002. the solar panel producing capacity is around 300MW yearly.we have sun simulators, laminating machine and supersonic glass washing machine to make the precisely solar panel for you.Our engineers are experienced in solar and related accessories, if you buy from us you deal with not just a seller, the whole keep on going technical team is behind you and your business. OEM and ODM services are both available. We would like to be your best supplier in China.

For wholesale business cooperation just contact our eBay service group

 

Contact us
  • Please contact us freely for any question at any time
  • We work 5 days one week
  • Working time GMT+8 from 8:00AM to 5:30PM
  • Public holidays in China is not available for message reply
  • Holidays delivery is available , most of your order during holidays will be shipped out timely as long as the forwarder is available. the warehouse keeper will be on duties during the holiday
  • Here is the China Public Holiday list:


  • 2015-2016 Major Public Holiday Calendar(GMT+8)

    Festival

    Holiday Dates

    Days

    Qingming Festival

    Apr.4-Apr.6

    3 days

    May Day

    May.1-May.3

    3 days

    Dragon Boat Festival

    Jun.20-Jun.22

    3 days

    Mid-Autumn Festival

    Sep.26-Sep.27

    2 days

    National Day

    Oct.1-Otc.7

    7 days

    New Year's Day

    Jan.1-Jan.3

    3 days

    Chinese New Year

    Feb.3-Feb.14

    12 days



On Apr-20-15 at 19:39:07 PDT, seller added the following information:

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