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-15KWH |
| Certification | CE,MSDS,UN38 |
| Place of Origin | China |
View Detail Information
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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-15KWH |
| Certification | CE,MSDS,UN38 | Place of Origin | China |
| High Light | 15kWh off-grid solar system ，hybrid inverter lithium battery ，solar energy storage pack | ||
The 15kWh Off-Grid Solar Power System delivers a balanced combination of capacity and performance for medium to large family homes or light commercial use. Featuring advanced solar modules, a high-efficiency hybrid inverter, and an 8kWh LiFePO₄ battery pack, this system supports multiple appliances simultaneously — such as air conditioners, refrigerators, and computers. It’s ideal for users seeking long backup duration and higher energy self-sufficiency.
| Solar Panel | 550W×6 Monocrystalline |
| Inverter | 3000W Hybrid Inverter |
| LiFePO₄ Battery | 12.8V 314Ahx2 |
| Battery Capacity | 4019 Wh |
| Daily Generation | 16 kWh |
| Mounting & Accessories | Mounting Rack + Cables + Accessories |
| Applications | Residential / Farm / Backup Power |
Key Features:
High Efficiency Solar Panels – 550W monocrystalline panels deliver superior conversion efficiency and long lifespan.
Smart Hybrid Inverter – 3000W 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-bedroom homes or medium-sized families.
Daily solar generation: 16 kWh
Battery storage: 4019 kWh
Power supply for: Two air conditioners, refrigerator, TV, computer, and household lighting.
(Great for families with moderate to high daily energy consumption.)
FAQ:
1.What kind of property is the 15kWh off-grid solar system suitable for?
The 15kWh Off-Grid Solar Power System is ideal for medium to large family homes, small offices, or farms. It supports multiple appliances running simultaneously, such as air conditioners, refrigerators, lighting, and computers.
2.How long can the 15kWh solar system provide backup power?
Equipped with an 8kWh LiFePO₄ battery, it can typically supply electricity for 12–24 hours, depending on the power consumption. For example, it can comfortably power an entire household through the night and part of the next day.
3.Can the 15kWh system handle high-power appliances?
Yes. With its high-capacity hybrid inverter and advanced battery management system (BMS), the 15kWh system can handle high-demand appliances such as washing machines, air conditioners, and water pumps with ease.
4.Is the 15kWh system suitable for partial or full off-grid use?
Yes. It is designed for both semi-off-grid and fully off-grid installations. You can use it as a primary power source in remote areas or as a hybrid backup for homes with unstable grid supply.
5.Can this system be expanded in the future?
Absolutely. The system supports scalable solar panels and battery configurations, allowing users to expand up to 20kWh or more as energy needs increase.
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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