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5-6/F, Block B, Building 7, No. 5699, North 2nd Ring Road, Baoding, Hebei, China (Mainland)
Power Your Sunny Life Everyday
4KW Solar Power System Specification
| Model ID | MLW-4KW |
| Rated power | 4KW |
| Daily power Production | 20kWh |
| Working model | Solar power first,when overdischarge, system switch to city power automatically |
| Solar Panel | |
| Type | A grade poly or mono crystalline silicon |
| Pmax | 370p × 12pcs |
| Vmp / Imp | 31.0V / 8.87A |
Inverter | |
Rated power | 4KW Single Phase |
Wave form | Pure sine wave THD <2% |
Output voltage | AC110V/ 220V ±5% |
Output Frequency | 50Hz/60Hz ±1% |
Inverter Efficiency | 0.85 |
Protection | AC over-voltage protection, low-voltgae protection, |
Controller | |
Rated voltage | 48V |
| Rated current | 100A |
Control mode | MPPT |
| Efficiency | 0.9 @80% Resistive load |
| Protection | Against anti-thunder, reverse polarity, overload, reverse chargeetc. |
| Battery | |
| Battery Type | Sealed deep cycle maintenance-free waterproof Gel battery |
| Capacity | 200AH / 12V |
| Quantity | 200AH/12V × 4pcs |
| Accessories | |
| Cables | 4mm2 80M |
| Others | Aluminum Alloy PV Bracked / Battery Supporting/ PV Combiner/ MC4 connectors, screws&bolts |
How a solar power system work?
1-2 Solar PV panels generate DC power and charge batteries.
3-4 Battery energy DC power transformed to AC power by solar generator for home use.
5. Being the backup, grid power, wind power or diesel generator can take over supply of electricity in case of rainy days.
Solar Panel
High efficiency, polycrystalline solar cells with high transmission and textured glass deliver
a module efficiency of up to 17%, lifespan is 25 years.
Solar Power Generator
Solar generator integrates controller and inverter in one host.
With grid input function, it can automatically switches to grid power when battery under-voltage.
Besides, It has protection functions of short circuit ,over voltage, over load,
over current and reversed polarity, etc. Lifespan can reach 15 years.
GEL Battery
PV system special Gel battery adopts thick plate and polymer diaphragm design,
which greatly improves the cycle lifespan. With features of small self-discharge,
long lifetime and high temperature resistance, Gel battery lifespan can reach 5-8 years.
4000W Off Grid Solar Power System Installation
1KW-6KW Solar Power System
| Model (MLW) | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | |
| Solar panel | Type | Mono crystalline silicon A-level | |||||
| Power(Wp) | 1110 | 2220 | 2960 | 4400 | 5040 | 5920 | |
| Solar Module | 370Wp | 370Wp | 370Wp | 370Wp | 315Wp | 370Wp | |
| Qty.(pcs) | 3 | 6 | 8 | 12 | 16 | 16 | |
| Output/day(KWh) | 5 | 10 | 13 | 20 | 24 | 27 | |
| Solar controller | Control mode | MPPT /PWM | |||||
| Capacity | 24V/40A | 48V/40A | 48V/80A | 48V/100A | 48V/120A | 48V/120A | |
| Protection | Overcharge/Positive & Negative reverse/Reverse charging/Lightning | ||||||
| Stop charging | 27.4V | 54.8V | 54.8V | 54.8V | 54.8V | 54.8V | |
| Recovery charge | 26.3V | 52.6V | 52.6V | 52.6V | 52.6V | 52.6V | |
| Inverter | Rated Power(W) | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 |
| Inverter type | Low frequency or High frequency pure sine wave | ||||||
| Output voltage | 110V/127V/220V/240V±5% | ||||||
| Frequency | 50Hz/60Hz±1% | ||||||
| Waveform | (Pure sine wave) THD<2% | ||||||
| Phase | Single phase/ Three Phase Optional | ||||||
| Working efficiency | >85% | ||||||
| Working model | Solar power first,when overdischarge, system switch to city power automatically | ||||||
| Switching time | City power to Inverter 8ms;Inverter to City power 6ms | ||||||
| Protection | DC under voltage/overload/short circuit/peak surge. | ||||||
| Battery | Battery type | Deep cycle maintenance-free lead-acid battery | |||||
| Capacity(AH/12V) | 100 | 100 | 150 | 200 | 200 | 250 | |
| Qty.(pcs) | 2 | 4 | 4 | 4 | 4 | 4 | |
| Cable | 4mm2 | 40m | 40m | 80m | 80m | 120m | 120m |
| 10mm2 | 2m | 4m | 4m | 4m | 4m | 4m | |
| PV Bracket | √ | √ | √ | √ | √ | √ | |
| PV Combiner | √ | √ | √ | √ | √ | √ | |
| Battery Supporting | √ | √ | √ | √ | √ | √ | |
1. What is the lifespan of solar panel?
High-quality solar panels used in Mutian product lines are typically rated at 80% of the minimum power output rating at 25 years.
2. What’s the main difference between mono and polycrystalline solar panel?
Production and cost.
Polysilicon technology is more mature since it is an early technology compared with Monosilicon.
3. Does your controller has the dual time control function?
Our solar charge controller is designed with dual time control function.
You can set up the lighting time and divide it into two parts, like 10 hours (6H full power mode + 4H half dimming mode)
4. How many cycles full charge & discharge about your battery?
In 50% discharging deepness, it can be cycled for 1,200 times;
In floating charging and discharging status, it can be cycled for 4000~5000 times.
Mutian Solar Energy Scientech Co., Ltd
Professional Team! Solid R&D Strength! Competitive price & best service!
Sincerely look forward to long term cooperation with esteemed partners! 
