51.2V 200Ah all-in-one energy storage system YG10-5.5KW is designed for residential solar backup, home energy storage, and small off-grid power applications. It integrates a 10.24kWh battery system and a 5.5kW pure sine wave inverter into one compact wall-mounted unit, helping installers and distributors simplify system design, installation, and after-sales support.
This all-in-one solar storage solution supports PV and AC charging, multiple output voltage options, and RS232 / RS485 / CAN communication interfaces. With optional APP module support and parallel connection for up to 9 units, it is suitable for B2B buyers, solar installers, energy storage distributors, and residential energy project partners.
51.2V 200Ah all-in-one energy storage system for home solar backup
The YG10-5.5KW model combines battery storage and inverter output in one integrated cabinet. Compared with separated battery and inverter systems, this design helps reduce wiring complexity, save installation space, and provide a cleaner energy storage solution for home backup and solar power systems.
Integrated 10.24kWh Battery and 5.5kW Inverter
The system features a 51.2V 200Ah battery configuration with 10240Wh rated energy. The built-in inverter provides 5.5kW rated power and pure sine wave output, making it suitable for home appliances, lighting, routers, small office equipment, and essential backup loads.
PV + AC Charging Support
This 51.2V 200Ah all-in-one energy storage system supports solar and mains charging input. The PV input range supports 120–450V, with MPPT charging support and AC charging capability. For typical residential solar applications, a recommended solar panel power of 2000W can be used depending on local sunlight conditions.
Multiple Communication Interfaces
RS232, RS485, and CAN communication interfaces help the system communicate with compatible inverters, monitoring devices, and energy management systems. This makes the product easier to integrate into different residential solar storage projects and B2B customized solutions.
Designed for B2B Energy Storage Projects
For distributors, solar installers, and project buyers, this all-in-one ESS provides a practical solution for home backup power and small solar storage systems. OEM/ODM cooperation, bulk order support, technical communication, and project-based supply can be provided according to customer requirements.
Explore more related home energy storage systems for different voltage, capacity, and installation requirements. For general international battery safety reference, you may also check the IEC official website.
Technical Specifications
| Model | YG10-5.5KW |
| Battery Nominal Voltage | 51.2V |
| Battery Nominal Capacity | 200Ah |
| Rated Energy | 10240Wh / 10.24kWh |
| Charge Termination Voltage | 58.4V |
| Discharge Termination Voltage | 44.8–46.5V |
| Inverter Rated Power | 5.5kW |
| Input Frequency | 50Hz / 60Hz |
| Solar / Mains Charging Input | 5500W, PV 120–450V, AC 100A, MPPT 100A |
| Output Voltage | 100V / 110V / 220V / 230VAC ±5% |
| Output Waveform | Pure Sine Wave |
| Communication Interface | RS232, RS485, CAN |
| Work Environment | Temperature -20℃ to 60℃, Humidity ≤95%, Altitude ≤4000m |
| Protection Functions | Over voltage, low voltage, over current, short circuit, over temperature protection |
| Product Size | 750 × 635 × 150mm |
| Package Size | 865 × 725 × 250mm |
| Product Weight | 84.7kg |
| Package Weight | 97kg |
| Optional Function | APP module available |
| Parallel Support | Up to 9 units |
| Recommended Solar Panel Power | 2000W, depending on daily average sunshine time |
Applications
- Residential solar energy storage
- Home backup power system
- Off-grid solar power system
- Small office backup power
- Solar installer and distributor projects
- OEM/ODM energy storage cooperation
Why Choose This 51.2V 200Ah all-in-one energy storage system?
- Integrated 10.24kWh battery and 5.5kW inverter design
- Pure sine wave output for stable home power supply
- PV and AC charging support for flexible energy input
- RS232, RS485, and CAN communication interfaces
- Optional APP module for intelligent monitoring
- Parallel support up to 9 units for capacity expansion
- Suitable for B2B distributors, solar installers, and project buyers
FAQ
Is 5.5kW the battery power?
No. 5.5kW refers to the rated power of the built-in inverter. The battery specification is 51.2V 200Ah, with a rated energy of 10.24kWh.
Can this system be used with solar panels?
Yes. The system supports PV input from 120V to 450V and MPPT charging. The recommended solar panel power is 2000W depending on the local sunshine condition.
Does this product support communication with external systems?
Yes. It supports RS232, RS485, and CAN communication interfaces, which are commonly used in energy storage and inverter communication applications.
Can multiple units be connected in parallel?
Yes. This model supports parallel connection up to 9 units, making it suitable for projects that require larger energy storage capacity.
Is OEM/ODM service available?
Yes. OEM/ODM service, bulk order support, customized packaging, and project-based technical communication can be provided for B2B customers.

















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