
AINEGY 51.2V314Ah Air-Cooled LiFePO4 Battery Rack / IP20
The AINEGY 51.2V314Ah Air-Cooled LiFePO4 Battery Rack is a high-voltage indoor battery rack platform for commercial and industrial energy storage projects. It uses 51.2V314Ah LiFePO4 rack modules and supports 112kWh, 128kWh, 209kWh and 241kWh configurations for PCS-based C&I ESS integration.
About This AINEGY 51.2V314Ah C&I ESS Battery Rack
AINEGY provides lithium battery energy storage solutions for commercial and industrial applications. This AINEGY 51.2V314Ah air-cooled LiFePO4 battery rack is designed for indoor C&I ESS projects that require high-voltage battery integration, PCS matching and flexible system configuration.
The product is part of the AINEGY C&I energy storage battery rack and cabinet portfolio. It supports project scenarios such as commercial solar storage, factory backup power, gas station backup, weak-grid energy support and system integrator projects where a battery rack must be matched with PCS, AC distribution and site-level controls.
Technical Specifications
| Parameter | 112kWh | 128kWh | 209kWh | 241kWh |
|---|---|---|---|---|
| Model | YP-CB358314A-HX1 | YP-CB409314A-HX1 | YP-CB665314A-HX1 | YP-CB768314A-HX1 |
| Battery Type | LiFePO4 Battery | LiFePO4 Battery | LiFePO4 Battery | LiFePO4 Battery |
| Rated Energy | 112kWh | 128kWh | 209kWh | 241kWh |
| Nominal Voltage | 358V | 409V | 665V | 768V |
| Module Specification | 51.2V314Ah | 51.2V314Ah | 51.2V314Ah | 51.2V314Ah |
| Module Quantity | 7 | 8 | 13 | 15 |
| End-of-Charge Voltage | 403V | 460V | 749V | 864V |
| End-of-Discharge Voltage | 313V | 358V | 582V | 672V |
| Standard Charge Current | 100A | 100A | 100A | 100A |
| Max. Charge Current | 100A | 100A | 100A | 100A |
| Standard Discharge Current | 200A | 200A | 200A | 200A |
| Max. Discharge Current | 200A | 200A | 200A | 200A |
| Max. Peak Current | 250A | 250A | 250A | 250A |
| IP Grade | IP20 | IP20 | IP20 | IP20 |
| Work Temperature Range | Charge: 0°C–50°C Discharge: -15°C–60°C | Charge: 0°C–50°C Discharge: -15°C–60°C | Charge: 0°C–50°C Discharge: -15°C–60°C | Charge: 0°C–50°C Discharge: -15°C–60°C |
| Charge / Discharge Interface | Waterproof quick-plug terminal | Waterproof quick-plug terminal | Waterproof quick-plug terminal | Waterproof quick-plug terminal |
| Communication Interface | RS485 / CAN | RS485 / CAN | RS485 / CAN | RS485 / CAN |
| Shell Material / Color | Metal / White optional | Metal / White optional | Metal / White optional | Metal / White optional |
| Size | 550 × 745 × 1950mm | 1050 × 790 × 1350mm | 1050 × 790 × 1830mm | 1050 × 790 × 1830mm |
| Weight | About 830kg | About 1080kg | About 1700kg | About 1830kg |
Selection Notes
- Match nominal voltage and voltage window with PCS DC input range.
- Use charge / discharge current to check PCS power configuration.
- Use size and weight to confirm delivery, lifting and installation access.
Product Boundary
- Battery rack only.
- PCS, transformer, PV inverter and outdoor enclosure are not included by default.
- IP20 is for indoor or protected installation, not direct outdoor exposure.
Configuration Logic
- 7 / 8 / 13 / 15 module configurations provide different capacity and voltage levels.
- RS485 / CAN communication should be checked with the selected PCS before order confirmation.

System Design & Energy Storage Integration
This AINEGY battery rack is the DC-side battery section of a C&I energy storage system. It is typically connected to a compatible PCS, while PV input, grid connection, generator backup and site loads are designed at system level.
Why This 51.2V314Ah Battery Rack Is Selected
High-Voltage Platform for PCS-Based C&I ESS
With 358V, 409V, 665V and 768V configurations, this AINEGY rack is intended for high-voltage PCS-based commercial energy storage systems rather than low-voltage residential battery applications.
One Module Platform, Multiple System Sizes
The AINEGY 51.2V314Ah module platform supports 112kWh to 241kWh configurations by adjusting module quantity, which helps system integrators select capacity and voltage within one product family.
Suitable for Projects with Separate PCS Design
This AINEGY product is useful when the project already has a selected PCS, electrical room, AC distribution design or system integration plan, and only the battery rack section needs to be matched.
Indoor IP20 Design with Clear Application Boundary
IP20 is suitable for indoor or protected ESS rooms. This avoids presenting the product as an outdoor cabinet and helps customers select the correct protection level for the project site.
Air Cooling for Protected Installation Rooms
For indoor C&I ESS rooms with suitable ventilation and moderate system density, air cooling provides a direct thermal design without liquid-cooling pipework or coolant management.
Detachable Rack Design for Project Handling
The detachable rack structure supports packaging, transportation, installation and maintenance planning for project deployment.

Typical Applications
The AINEGY 51.2V314Ah battery rack is mainly selected for indoor C&I ESS projects where battery capacity, PCS matching and system integration flexibility are required.
Certification and Documentation Support
AINEGY products are designed and manufactured with reference to relevant international safety, transport, electrical and material standards. Certification documents are available for certified models, and project-specific certification requirements can be reviewed according to the selected model, configuration and target market.
FAQ
Related C&I ESS Cabinet Products
Confirm the Right AINEGY Battery Rack for Your C&I ESS Project
Send your required capacity, PCS model, DC voltage range, communication protocol, installation environment, backup load and target market. AINEGY will help review whether the 112kWh, 128kWh, 209kWh or 241kWh battery rack configuration is suitable for your C&I ESS project.















