Dongguan Tongbang Technology Co., Ltd
| Payment Terms | T/T;Visa/PayPal |
| Supply Ability | 1000 sets per week |
| Delivery Time | 25~30 working days |
| Packaging Details | UN-certified Packaging |
| Application | Home,Commercial,Electric bike,Industrial,energy storage. |
| Solar power (w) | Customized,300W-550W |
| Battery type | Lifepo4 Battery; Lithium Battery |
| Output frequency | 50~60 Hz |
| Output voltage | 110V or 220V |
| Host output capacity | 3200W |
| Brand Name | TONGBOND |
| Model Number | TB-20KWH |
| Certification | CE,MSDS,UN38 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T;Visa/PayPal | Supply Ability | 1000 sets per week |
| Delivery Time | 25~30 working days | Packaging Details | UN-certified Packaging |
| Application | Home,Commercial,Electric bike,Industrial,energy storage. | Solar power (w) | Customized,300W-550W |
| Battery type | Lifepo4 Battery; Lithium Battery | Output frequency | 50~60 Hz |
| Output voltage | 110V or 220V | Host output capacity | 3200W |
| Brand Name | TONGBOND | Model Number | TB-20KWH |
| Certification | CE,MSDS,UN38 | Place of Origin | China |
| High Light | 20kWh off-grid solar system ，10kWh LiFePO4 battery solar kit ，hybrid inverter solar energy system | ||
The 20kWh Off-Grid Solar Power System is a high-capacity solar energy solution designed for large households, villas, farms, and small businesses. With premium-grade solar panels, a smart hybrid inverter, and a 10kWh LiFePO₄ battery bank, it delivers consistent and powerful energy supply throughout the day and night. This system supports heavy loads and multiple high-power devices, offering full energy independence from the grid.
| Solar Panel | 585Wx7 Monocrystalline |
| Inverter | 6200W Hybrid Inverter |
| LiFePO₄ Battery | 51.2V 200Ah |
| Battery Capacity | 10.24 kWh |
| Daily Generation | 20 kWh |
| Mounting & Accessories | Mounting Rack + Cables + Accessories |
| Applications | Residential / Farm / Backup Power |
Key Features:
High Efficiency Solar Panels – 585W monocrystalline panels deliver superior conversion efficiency and long lifespan.
Smart Hybrid Inverter – 6200W hybrid inverter with integrated MPPT controller ensures stable performance.
Durable LiFePO₄ Battery – 6000 times Long cycle life and high safety standards provide reliable energy storage.
Plug-and-Play Design – Easy installation with included mounting racks, cables, and accessories.
All-in-One Integration – Ideal for off-grid houses, farms, cabins, and emergency power backup.
Suitable for: Two- to three-bedroom homes or large households.
Daily solar generation: 20 kWh |
Battery storage: 10 kWh
Power supply for: Up to three air conditioners, refrigerator, TV, computer, and all basic home appliances.
(Designed for larger homes and full-day off-grid power needs.)
FAQ:
1.Who should consider a 20kWh off-grid solar system?
The 20kWh Off-Grid Solar Power System is designed for large households, villas, farms, workshops, and small commercial facilities that require continuous and heavy power usage.
2.How much power can a 20kWh system supply?
With a 10kWh LiFePO₄ battery bank and high-efficiency solar panels, it can generate and store enough energy to run 3–4 air conditioners, refrigerators, lighting, computers, and other essential appliances for over 24 hours in normal use.
3. What makes the 20kWh system different from smaller models?
Compared to 5kWh or 10kWh systems, the 20kWh model offers longer autonomy, higher load capacity, and can support multiple high-power devices simultaneously. It’s the perfect choice for users seeking full energy independence.
4.Is this system compatible with grid-tied or hybrid setups?
Yes. It includes a hybrid inverter, allowing it to operate off-grid or connect to the grid when needed. It can also work with generators as an additional backup source.
5. What are the benefits of choosing a LiFePO₄ battery for the 20kWh solar system?
LiFePO₄ batteries offer long cycle life, high safety, deep discharge capability, and excellent thermal stability — making them ideal for large-capacity, long-term energy storage applications.
Company Details
Business Type:
Manufacturer
Year Established:
2021
Total Annual:
500-800
Employee Number:
20~30
Ecer Certification：
Verified Supplier
Founded in 2021, Donngguan Tongbang Technology Co., Ltd. is a professional manufacturer dedicated to developing and producing high-quality energy storage lithium batteries. With a strong focus on technological innovation and sustainable energy solutions, we provide reliable and efficient l... Founded in 2021, Donngguan Tongbang Technology Co., Ltd. is a professional manufacturer dedicated to developing and producing high-quality energy storage lithium batteries. With a strong focus on technological innovation and sustainable energy solutions, we provide reliable and efficient l...
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