12/24V ADJUSTABLE MPPT SOLAR CHARGE CONTROLLER 99% LED DISPLAY CHARGE CONTROLLER MPPT STEP-DOWN SMART BUCK EL-MD300SP
Professional MPPT solar charge controller factory in China
All of the MPPT solar charge controllers have passed CE certification.
MPPT: Maximum Power Point Tracking
The MPPT controller utilizes Solar Maximum Power Point Tracking (MPPT) technology to extract maximum power from the solar array. The tracking algorithm is fully automatic and does not require user adjustment. MPPT technology tracks the array maximum power point as it varies with weather conditions, ensuring that maximum power is harvested from the array throughout the course of the day.
PRODUCT FEATURE
- MPPT type, suitable for different voltage solar panels
- Using high efficiency synchronous rectifier circuit structure
- Output voltage adjustable
- Support for lead-acid and lithium battery etc.
- Voltage & current display
- Efficiency ≥95%
- Short-circuit protection
- Over temperature protection
- Under-voltage protection
- Size: 120*80*40mm
- Weight: 450g
APPLICATION AREA
nSolar street lamp controller
nSolar charger
nSolar electric bicycle
nSolar electric tricycle
nSolar powered toy car
| PRODUCT NAME | MPPT STEP-DOWN SOLAR CHARGE CONTROLLER | |
| BRAND | ELEJOY | |
| FEATURE | 1. LED displays voltage and current | |
| 2. Output voltage adjustable | ||
| 3. Support various batteries sch as lead-acid and lithium-ion | ||
| 4. Efficient synchronous rectification scheme | ||
| 5. Effiicient MPPT real-time tracking function | ||
| 6. Rainproof/dustproof/shockproof | ||
| SUITABLE BATTERY | Various types of batteries (charging voltage between 10-30V) | |
| MODEL | EL-MD300SP | |
| PV PANEL AVAILABLE | OPEN-CIRCUIT VOLTAGE | 18V - 55V |
| MAX POWER VOLTAGE | 17V - 55V | |
| CHARGING MODULE | PV INPUT POWER | 300W |
| PV INPUT START VOLTAGE | 18V - 55V | |
| PV INPUT TRACKING VOLTAGE | 17V - 55V | |
| OUTPUT TO BATTERY VOLTAGE | 10-30V(Adjustable) | |
| OUTPUT TO BATTERY RATED CURRENT | Rated power/set output voltage | |
| OUTPUT TO BATTERY CURRENT LIMIT | MAX 25A | |
| NO-LOAD LOSS | 2W | |
| VOLTAGE REGULATION | 1% | |
| LOAD REGULATION | 1% | |
| PWM CONVERSION EFFICIENCY | 97% | |
| MPPT CONVERSION EFFICIENCY | 99% | |
| PROTECTION MODULE | BATTERY SHORT CIRCUIT PROTECTION | YES |
| BATTERY REVERSE PROTECTION | NO | |
| OVER CURRENT PROTECTION | YES | |
| TEMPERATURE PROTECTION | YES | |
| PROTECTION CLASS IP | IP66 | |
| WORKING TEMPERATURE | -40℃—+65℃ | |
| INSTALL LINE LENGTH | 5CM | |
| SIZE | 120mm x 80mm x 40mm | |
| NET WEIGHT | 450g | |
FAQ:
1. Are you a manufacturer?
100% yes, if you have a chance, you can visit our factory anytime.
2. Do you have any MOQ limit?
One piece is possible, you can buy one sample for testing first.
3. What about the lead-time?
Normally 1-2 working days after receive the payment.
4. How to pay for the sample fee?
Please send the payment to our PayPal account or from Alibaba directly.
5. How do you ship the goods?
We often ship by DHL, UPS, FedEx or TNT, it usually takes 3-5 days to arrive.
6. Do you offer guarantee for the products?
Yes, we offer 1-year warranty for all solar charge controllers.
7. I cannot find the suitable model, can I ask for a special model I need?
Sure. We are professional solar charge controllers’ designer and manufacturer in China, please advising the detail specification you need, we will make it according to your request.
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- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier