Choose BigBear LLC best residential solar systems, you can get the following convenience:
· Complete solar solutions including all components.
· Professional configuration.
· Time-saving on the selection.
· Convenient after-sales maintenance: solar panels, batteries, hybrid solar inverter, all duties to one company.
· Factory wholesales best residential solar systems at cheap cost.
■ Best Residential Solar Systems Description
BigBear LLC best residential solar system is the most complete configuration on the market, which includes all necessary components: solar panel, solar bracket, PV combiner box, solar battery, solar inverter, solar charge controller, pv cables, battery cables and other terminals. After the simple installation is complete, it can be directly used for residential appliances.
Each set residential solar system has power on&off test 100 times per hour. Each step of production is under strict quality control. Perfect protection: short circuit, over-voltage, low-voltage, overload, insulation resistance, high temperature protection.
BigBear residential solar system range is from 300W to 100KW. We provide customers with free solar solution design and can accept customization. This page introduces the 20kw solar system with battery storage, which can be used for ac loads with total power not exeed 20kw.
■ Best Residential Solar Systems Configuration
| SESS203W 20KW Solar System Configuration | |||||
| Brand | BigBear | Model No. | SESS203W | Inverter Rated Power（KW) | 20 |
| Maximum Load(KW) | 20 | Batter Capacity | 6400AH | Solar Panel Power(W) | 12480 |
| Product No. | SESS203W | Certification | CE | Sunshine Duration | 6 |
| Output Voltage (Optional) |
220V | Frequency (Optional) |
50Hz/60Hz | PV daily generating capacity（Wh） | 74880 |
| Actual Load（KW) | 20 | Actual Load day(s) | 1 | Actual Load time(hours) | 3.7 |
| G.W. | 3998 | Volume | 6.52 | 20GP Loading Quantity | Contact BigBear |
| N.W. | Contact BigBear | DC Voltage(VDC) | 192 | Customized or not | YES |
| Configuration Details | |||
| Product Name | Specifications | Quantity | Remark |
| Solar Panel | Monocrystalline 390W | 32 | 8pcs in series，4groups in parallel |
| Solar inverter | 192VDC 20KW | 1 | WD-203192 |
| Solar Charge Controller | 192VDC 100A | 1 | MPPT Solar Charge Controller |
| Lead acid battery | 12V200AH | 32 | 16 in series,2 in parallel |
| Battery connecting cable | 25mm² 60CM | 31 | connection between batteries |
| solar panel mounting bracket | Aluminum | 4 | Simple type |
| PV combiner | 2in1out | 2 | 500VDC |
| Lightning protection distribution box | without | 0 | |
| battery collecting box | 200AH*16 | 2 | 32pcs batteries in one box |
| M4 plug (male and female) | 28 | 28 pairs 1 in 1 out | |
| PV Cable | 4mm² | 200 | PV Panel to PV combiner |
| PV Cable | 10mm² | 100 | PV combiner to MPPT |
| Battery cable | 25mm² 20m/pcs | 41 | Solar Charge Controller to battery and PV combiner to Solar Charge Controller |
| Package | wooden case | 1 | |
| Electrical Load Reference List | ||||
| Electrical Appliance | Rated Power(pcs) | Quantity(pcs) | Working Hours | Total |
| LED bulbs | 20W | 15 | 8Hours | 2400Wh |
| Mobile phone charger | 10W | 5 | 5Hours | 250Wh |
| Fan | 60W | 5 | 10Hours | 3000Wh |
| TV | 50W | 1 | 8Hours | 400Wh |
| Satellite dish receiver | 50W | 1 | 8Hours | 400Wh |
| Computer | 200W | 2 | 8Hours | 1600Wh |
| Water pump | 600W | 1 | 2Hours | 1200Wh |
| Washing machine | 300W | 1 | 2Hours | 600Wh |
| AC | 2P/1600W | 2 | 10Hours | 25000Wh |
| Microwave oven | 1000W | 1 | 2Hours | 2000Wh |
| Printer | 30W | 1 | 1Hours | 30Wh |
| A4 copier (printing and copying combined) | 1500W | 1 | 1Hours | 1500Wh |
| Fax | 150W | 1 | 1Hours | 150Wh |
| Induction cooker | 2500W | 1 | 2Hours | 4000Wh |
| Rice Cooker | 1000W | 1 | 1Hours | 1000Wh |
| Refrigerator | 200W | 1 | 24Hours | 1500Wh |
| Water heater | 2000W | 1 | 2Hours | 4000Wh |
| Total | 50630Wh | |||
■ Best Residential Solar Systems Wiring Diagram
Contact BigBear LLC for more high-definition wiring diagram.
■ Best Residential Solar Systems Parts List
Mono Solar panel:
MPPT Solar Charge Controller:
1. 192V/100A MPPT solar charge controller.
2. Advanced MPPT tracking, 99% tracking efficiency. Compared with PWM, the generating efficiency increase near 20%.
3. LCD display PV data and chart simulates power generation process.
Hybrid solar inverter:
1. 20KW hybrid solar inverter.
2. Low frequency pure sine wave output.
3. 3 times peak power, excellent loading capability.
4. LVD/HVD/Charging voltage adjutable, suitable for kinds of battery.
5. Automatic AC charger and AC mains switcher, switch time ≤ 4ms.
6. AC charging current 0-20A selectable.
Battery and battery collecting box:
1. GEL series battery is manufactured with special separators and silica gel immobilizing the electrolyte inside the battery.
2. The proven silica gel technology can improve battery cycle life and performance at wider temperature range.
3. The deep discharge cycle life is increased 50% compared with the GP series battery.
4. Battery collecting box not only makes the batteries collection and sorting more neat, but also plays a protective role
Solar bracket:
Description of Mounting
1. Aluminum Alloy 6005-T5.
2. Fasteners Material SUS304.
3. Easy Installation.
4. Can Be used in different forms，Tin Roofs，Flat Roofs.
5. The installation angle can be adjusted according to the demand.
6. 10 Years Warranty, Over 25 Years Service Life. 
PV combiner box:
1. Multiple PV strings inputs.
2. Simplify wiring between solar panel and solar charge controller, protections to solar controller.
3. Wide range of DC input voltage.
4. Reliable thunderstorm & surge protection. 
Cables and parts:
1. 4mm2 PV cable 200m, 10mm2 PV cable 100m. PV cable is a special type of cable used in solar power system. It has the characteristics of high temperature resistance and friction resistance, and has a long service life.
2. 25mm2 60cm Battery cable 31pcs (connection between batteries).
4. Terminals and 6 pairs MC4 plug.
■ Solar Power System in Real Production
■ Solar Power System Application
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