
ONESUN PAYGO Solar Home System: Flexible Payment, Accessible Clean Energy
Introduction to PAYGO Solar Home System
Against the backdrop of the global energy transition, solar power is increasingly becoming a key alternative to traditional fossil fuels. In regions such as Africa, Southeast Asia, and the Middle East, where grid coverage is limited, many households, communities, and businesses suffer from chronic electricity shortages. Traditional solar systems require a large upfront investment, which poses an insurmountable barrier for low-income families. To address this global challenge, ONESUN has launched an innovative PAYGO Solar Home System. Through flexible installment payment plans, ordinary users can easily obtain reliable, clean electricity.

PAYGO stands for "Pay-As-You-Go". The core concept is that users do not need to pay the full cost of the system upfront. Instead, they can have it installed and then complete the purchase gradually through weekly, monthly, or quarterly installments. This model significantly lowers the entry barrier for solar systems, enabling low- and middle-income families to quickly access reliable power. ONESUN's PAYGO Solar Home System integrates high-efficiency solar panels, an intelligent control system, and high-performance energy storage batteries, meeting daily household electricity needs—including lighting, phone charging, TV, fans, and more.
Advantages of Flexible PAYGO Pricing
Compared with traditional lump-sum solar systems, ONESUN's PAYGO solution offers clear advantages in pricing strategy. Through flexible installment plans, users can start using the system with a low initial payment and then make regular payments via mobile payment or digital platforms. This approach not only eases users' financial burden but also significantly increases the adoption rate of solar equipment.
Model | SSH-3.5kW 25.6V 200Ah | SSH-6.2kW 51.2V 200Ah | SSH-11kW 51.2V 314Ah |
System Data | |||
Nominal Output Power | 3500W | 6200W | 11000W |
Rated Capacity | 5.12kWh | 10.24kWh | 16.08kWh |
Cell Type | LiFePO4 | ||
IP Protection | IP21 | ||
Warranty | 2-Year | ||
Solar Input Data | |||
Max. PV Array Power | 5500W | 8500W | 17000W |
MAX DC Voltage | 500VDC | ||
MPPT Voltage Range | 60~500V | ||
MPPT Tracker / Strings | 1 | 2 | |
Max. Solar Charge Current | 120A | ||
Max. AC Charge Current | 100A | ||
Max. Charge Current | 120A | ||
Inverter & Controller Data | |||
Rated Power | 3500VA/3500W | 6200VA/6200W | 11000VA/11000W |
Efficiency (Peak) | Up to 93.5% | ||
Grid Voltage / Range | 230 VAC ± 5% | ||
Frequency | 50Hz / 60Hz | ||
Waveform | Pure Sine Wave | ||
Transfer Time | 10ms (For Personal Computers) ; 20ms (For Home Appliances); | ||
Surge Power | 10000VA | ||
Battery Data | |||
Nominal Voltage | 51.2V | ||
Rated Capacity | 200Ah | 314Ah | |
MAX Charging/Discharging Current | 200A | 314A | |
Battery Cycle Life | ≥3000 Time & DOD≥80% | ||
SOC Estimation | Yes | ||
Intelligent Balance | Yes | ||
GPS Positioning | Yes | ||
Sleep and Wake-up | Yes | ||
Protection | |||
Arc Fault Protection | Yes (Optional) | ||
Anti-reverse Protection | Yes | ||
Anti-island Protection | Yes | ||
DC Over Current Protection | Yes | ||
Insulation Monitoring | Yes | ||
Residual Current Monitoring | Yes | ||
Other Protection | AC Over current; AC Over voltage; Over temperature Protection | ||
General Data | |||
Warranty | 2Years | ||
Transfer Time | 10ms (For Personal Computers) ; 20ms (For Home Appliances); | ||
Interface | RS232/RS485/CAN | ||
Display | Keypad Screen | ||
With PayGo | Optional | ||
Operating Temperature | Charging: 0℃~50℃ / Discharging: -15℃~60℃ | ||
Cooling | Forced air cooling | ||
Relative Humidity | 5% to 95% Relative Humidity (Non-condensing) | ||
Altitude | >2000m Derating | ||
Dimensions (W*D*H) | 1055*665*340mm | ||
Isolation Transformer Weight | Approx.105kg | ||
Safety Standard | CE, UN38.3, MSDS | ||
At the same time, the PAYGO model helps energy operators establish stable cash flow and improve return on investment. For household users, energy operators, or investment institutions, the PAYGO model delivers sustainable business value. ONESUN also provides intelligent remote control and payment management mechanisms—each time a user makes an installment payment, the system generates an unlock activation code. After entering the code, the system continues to operate. If a payment is missed, the system automatically enters a "standby activation" mode, suspending power supply to prevent misuse. Once a new payment is made and the activation code entered, the device immediately resumes normal operation.

Why Choose ONESUN?
ONESUN is a leading lithium battery manufacturer with vertically integrated production capabilities. Founded in 2014, the company is committed to providing complete solutions including solar panels, lithium batteries, inverters, and energy storage systems to global users. ONESUN has independent R&D capabilities for batteries, BMS, and complete storage systems, ensuring product quality and cost advantages.
As a globally renowned battery brand manufacturer, ONESUN focuses on providing the best OEM and ODM battery pack solutions for customers. Whether for solar energy storage systems, electric vehicle batteries, or industrial-grade energy storage applications, ONESUN can deliver customized design, manufacturing, and technical support according to customer needs. With a mature R&D framework and advanced manufacturing capabilities, ONESUN helps partners quickly develop competitive new energy products.

ONESUN’s Agile Cooperative Manufacturing Strategy
To further meet global market demand, ONESUN has adopted an agile cooperative manufacturing strategy. The company works closely with global partners to establish regional production bases, achieving localized manufacturing, localized customization, and localized services. This strategy not only shortens product delivery cycles but also reduces logistics costs, enabling customers to obtain high-quality products at more competitive prices.

ONESUN's products have been exported to over 70 countries worldwide, with a cumulative project capacity exceeding 3GW. The company has extensive global project experience in areas such as rural electrification in Africa and distributed energy in Southeast Asia. ONESUN uses high-quality LiFePO4 batteries and intelligent BMS (Battery Management System) with protection against overcharge, over-discharge, short circuits, and abnormal temperatures. The products support 4G/WiFi/GSM communication for remote monitoring and deep integration of PAYGO functionality.

In the wave of global energy transition and inclusive energy development, ONESUN's PAYGO Solar Home System represents an important innovation. It not only solves the problem of users struggling with high upfront investment in solar equipment but also protects suppliers' capital security through intelligent management mechanisms. The combination of solar power + flexible payment + intelligent management opens the door to an affordable, reliable, and sustainable electricity future for users worldwide. Choosing ONESUN means partnering with a company that combines technical strength, business model innovation, and global service capabilities for long-term cooperation.
Article Source: Lithium battery manufacturer - ONESUN China
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