
Utility-Scale BESS · Liquid Cooling
5.01MWh Liquid-Cooling Battery Energy Storage System
Model: JKE-5015K-LAA-CN-V1 · SunTera G2 Series
A 20-foot containerised battery energy storage system built around 314 Ah LFP cells and a 1P416S × 12 configuration. It delivers 5.01 MWh rated capacity at 1331.2 V nominal, with liquid cooling, layered fire protection and an IP55 enclosure for utility-scale and large commercial projects.
5.01 MWh
Rated capacity
0.25P / 0.5P
Charge / discharge
314 Ah
LFP cell
IP55
Protection
Product Overview
The SunTera G2 5.01MWh is a high-density, integrated BESS platform for solar-plus-storage, grid-side peak shaving and large commercial and industrial projects. The 20-foot container integrates the battery system, liquid-cooling unit, fire protection and communication interfaces for faster site deployment.
The system uses LFP cells in a 1P416S × 12 configuration, with a rated capacity of 5.01 MWh, a nominal voltage of 1331.2 V and an operating voltage range of 1164.8–1497.6 V. The enclosure measures 6058 × 2438 × 2896 mm and weighs 42,000 kg.
Key Features
- High-density integrated 20-foot container design
- 314 Ah long-life LFP cells with 1P416S × 12 configuration
- Liquid cooling with -30 to 50 °C operating range
- Layered fire protection with temperature, smoke and combustible gas detection
- Water fire suppression and optional explosion venting
- IP55 enclosure with C4 / C5 anti-corrosion options
- RS485, CAN and Ethernet communication
- Designed to GB/T 36276 and GB/T 34131 standards
Technical Specifications
Battery & DC Parameters
| Battery type | LFP |
| Cell | 3.2 V / 314 Ah |
| Charge / discharge power | 0.25P / 0.5P |
| System configuration | 1P416S × 12 |
| Rated capacity | 5.01 MWh |
| Rated voltage | 1331.2 V |
| Voltage range | 1164.8–1497.6 V |
System & Environmental Parameters
| Dimensions (W × D × H) | 6058 × 2438 × 2896 mm |
| Weight | 42,000 kg |
| Cooling | Liquid cooling |
| Operating temperature | -30 to 50 °C |
| Relative humidity | 95% RH, non-condensing |
| Altitude | 3000 m; derating above 2000 m |
| Noise | 80 dB(A) at 1 m; 75 dB optional |
| Protection | IP55 |
| Anti-corrosion | C4 / C5 optional |
Safety, Communication & Certification
| Fire protection | Temperature sensors, smoke detection, combustible gas detection, alarm bell, fire suppression system, optional explosion venting, pressure relief port, emergency stop, ventilation, water fire suppression and pack-level fire protection |
| Communication | RS485 / CAN / Ethernet |
| Certification | GB/T 36276, GB/T 34131 |
Applications
The platform is suited to projects that need a containerised, high-capacity battery system with predictable installation and integrated safety.
- Utility-scale solar-plus-storage projects
- Grid-side peak shaving and load shifting
- Large commercial and industrial energy management
- Microgrids and renewable smoothing
- Projects requiring containerised deployment
OEM & Custom Requirements
Private-label and project-specific requirements can be discussed around the standard SunTera G2 platform. Share the target capacity, project location, communication protocol and destination port for a confirmed configuration.
- Private-label enclosure and documentation
- Communication protocol and integration requirements
- Project-specific fire protection and anti-corrosion options
- Delivery and commissioning planning
Need a project-specific quote?
Send us the required capacity, project location and destination port. We will confirm the system configuration, documentation package and delivery schedule.

