SunMAX MPPT 48V or 36V, 20A charge controller battery charger for solar power system
$80
/piece
price excl.VAT
Negotiable
- Minimal order
- 100 pieces
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Product Specifications
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Product Description
Overview
Quick Details
Place of Origin: Zhejiang, China
Brand Name: DS New Energy
Model Number: DS-SUNMAX4820
Application: Solar System Controller
Max efficiency: 98%
Product name: MPPT solar chage controller
Display: LCD and LED
Size: 190*200*72 mm
Protection rate: IP20
Warranty: 2 years
Packaging & Delivery
Product Description
MPPT 48V or 36V 20A charge controller battery charger for solar power system
DS-SunMAX series MPPT (Maximum Power Point Tracking) charge controller has conversion efficiency up to 99%, saving more than 30%~66% solar photovoltaic modules comparing to the traditional solar PWM controller.
This type controller uses intelligent battery charge and discharge management, with temperature compensation attached, better management with the battery and extend battery use life.
Also, it integrates RS485 communication interface, providing communication protocols and enabling the remote manage-ment. Comprehensive protection and brand material can make sure its long life use.
Technical data
Model | SunMAX4860 | SunMAX4850 | SunMAX4840 | SunMAX4830 | SunMAX4820 | SunMAX4810 |
| Input Data | ||||||
| MPP voltage range (Vdc) | 55~150 (36V system) | |||||
| 70~150 (48V system) | ||||||
Max. voltage (Vdc) | 160 | |||||
Max. input power (36V system) (W) | 2750 | 1875 | 1500 | 1125 | 750 | 375 |
Max. input power (48V system) (W) | 3000 | 2500 | 2000 | 1500 | 1000 | 500 |
Max. iput current (A) | 60 | 50 | 40 | 30 | 20 | 10 |
| Output Data | ||||||
Battery type | Sealed lead acid, vented, Gel, NiCd battery (other types of the batteries also can be defined) | |||||
| Floating charge voltage (Vdc) | 40.8 (36V system) | |||||
| 54.4 (48V system) | ||||||
| Equalize charging voltage (Vdc) | 42.9 (36V system) | |||||
| 57.2 (48V system) | ||||||
| Over charge protection voltage (Vdc) | 43.8 (36V system) | |||||
| 58.4 (48V system) | ||||||
Temperature factor | ±0.02%/℃ (can be defined) | |||||
Rated output current (A) | 60 | 50 | 40 | 30 | 20 | 10 |
Over discharge | 31.5 (36V system) | |||||
protection voltage (Vdc) | 42 (48V system) | |||||
Max. load current (A) | 60 | 50 | 40 | 30 | 20 | 10 |
Max. load power (36V system) (W) | 2750 | 1875 | 1500 | 1125 | 750 | 375 |
Max. load current (48V system) (W) | 3000 | 2500 | 2000 | 1500 | 1000 | 500 |
Main features
MPPT efficiency up to 99%.
Smart battery management, improving battery use life.
Wall-mounted, light weight, easy install and operate.
Intelligent MCU control core technology.
RS485 telecommunications and data transmission ensures remote control.
Accurate monitor function, the total generating capacity of PV can be read in real time.
Historical record and inquiry can be read at anytime.
User can set parameters of the output, matching all kinds of common used batteries.
IP20 protection rate.
LCD displays parameters, LED indicate the running state
| General Data | ||
Charge mode | Maximum power point tracking | |
Method | 3 stages: fast charge (MPPT), constant voltage, floating charge | |
System type | Automatic recognition | |
Soft start time (S) | ≤10 | |
Dynamic response recovery time (us) | 500 | |
Conversion efficiency | 0.965 | |
PV modules utilization rate | ≥99% | |
Self-consumption (W) | <1.5 | |
Thermal methods | Forced air cooling, fan speed rate regulated by temperature, when inner temperature is too low,fan ran slowly or stop; when controller stop working, fan also stop ran | |
Noise emission (dBA) | <30 (1m) | |
Operating temperature range (℃) | -20~50 | |
Relative humidity in operation | 0~95% (non considensing) | |
Max. operating altitude (m) | <6000 (>2000m, derating) | |
Ingress protection rating | IP20 | |
Dimension (D/W/H mm) | 242.2/212/86.5 | 190/200/72 |
Weight (kg) | 3.2 | 2.5 |
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FAQ
Frequently asked questions
1. For wholesalers
Q: Are you a trading company or factory?
A: We are a professional import and export company mostly at the moment, but with some manufacturing facilities and resources.
Q: How long is your delivery time?
A: Generally, it is 5-10 days if the goods are in stock, or it is 15-20 days if the goods are not in stock. It really depends on the quantity ordered.
Q: Do you provide sample? Is it free or the buyer has to pay?
A: Yes, we could offer sample for parts and smaller components, which can be free of charge. The freight cost should be on buyer's account.
Q: What is your payment term?
A: Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance, the balance before shipment.
2. For end users
Q: How do solar photovoltaic (PV) panels work?
A: Solar panels absorb the sun's energy throughout the day and convert it into direct current (DC) electricity. Most homes and businesses run on alternating current (AC) electricity, so the DC electricity is then passed through an inverter to convert it to usable AC electricity. At that point, you either use the electricity in your house or send it back to the electric grid.
Q: Will I still receive an electric bill if I have solar panels?
Unless your solar energy system includes battery storage and you are fully off the grid, you will still receive a bill from your utility. However, you can dramatically reduce your bill, or even cut the amount you owe to $0, with a solar panel system that matches your energy use.
Q: Is my roof suitable for solar panels?
A: Sun-facing roofs with little to no shade and enough space to fit a solar panel system are idea for stalling solar. However, in many cases, there are workarounds if your home doesn't have the ideal solar roof. Please contact us to learn more about all of your options; all installation offers are based on images of your actual roof.
Q: What happens if I sell my solar house?
A: If you own your solar energy system, your solar house will sell at a premium and studies have shown that solar increase property values. However, if you lease your system, that is not the case. You will need to either buy out your lease before you sell your home, or work with your leasing company to transfer the lease agreement to the home's new owner.
If you have more questions, please feel free to contact us directly.
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