---
title: 20C1600K datasheet
slug: 20c1600k-bess
description: 20C1600K-DST-01-V3-Datasheet for 20C1600K BESS container
docTags:
createdAt: 2025-10-18T11:48:11.576Z
---
20C1600K-DST-01-V3-Datasheet for 20C1600K BESS container
# 1.Product specifications
## 1.1. BESS container overview
Each BESS 20C1600K is assembled in one 20 feet container
| Model | AC power (kW) | Capacity (kWh) | Size (W×D×H) mm | Weight |
| -------- | ------------- | -------------- | ---------------------- | ------ |
| 20C1600K | 1,600 | 3,086 | 6,058\*2,438\*2,896 mm | ＜31t |
## 1.2. BESS container architecture
The BESS container has a modular architecture with:
\- Liquid cooled battery packs made with LFP cells and a Battery Management Unit (BMU).
\- Battery strings with a String Controller (CMU).
\- Separate AC/DC Inverters (PCS) for each battery string.
\- Liquid temperature control system and HVAC dehumidifier.
\- Firefighting system, auxiliary power.
\- BESS controller (GPC) to handle safety, automatic operation and data and control communication with external BESS and EMS SCADA.
The 20C1600K system uses a customized container with a stronger load-bearing case and reinforcement steel frames in the middle while maintaining the same dimensions as a 20ft HC container. Anti-corrosion materials are used for the paint of the container shell to improve the anti-corrosion performance of the container. Before delivery, the container can be painted with patterns and LOGO according to requirements from the buyer.
The shell interlayer is installed with 50mm thermal insulation rock wool to improve the thermal insulation performance of the system.
In the battery compartment, there are battery Strings, liquid cooling unit, air conditioners for dehumidification and cable slots, etc. Battery Strings are installed on both sides of the battery container, lighting, thermal sensors, smoke sensors, firefighting pipe and other equipment are installed above the side aisle.
In the electrical compartment, there are PCS, GPC, Firefighting Control System, power distribution system ，air conditioner and auxiliary power supply.
## 1.3. System Architecture
## 1.4. System Main Technical Specifications
### AC side
| **** | **** |
| ----------------------- | ---------------------------------------- |
| Nominal capacity | 1,600kW/3,086kWh |
| Rated AC output power | 1,600kW |
| Max. AC output power | 1,760kVA |
| Rated output voltage | 690V |
| Output voltage range | 586.5\~759Vac (Optional) |
| Rated frequency | 50/60Hz |
| Rated output current | 8×167.3Aac |
| Adjustable power factor | 0.1\~1 leading or lagging (Controllable) |
| THDi | \<1.5% (at rated power) |
| Max efficiency | 98.7% |
| Output wiring | 3 phase 3 wire |
### DC side
| **** | **** |
| --------------------- | ------------------------ |
| Rated voltage | 1,228.8Vdc |
| Lower voltage limit | 1,075.2Vdc |
| Upper voltage limit | 1,363.2Vdc |
| Rated current | 8\*162.7A |
| Battery cell capacity | 314Ah |
| Battery cell QTY | 3,072 |
| Battery pack QTY | 64 |
| Pack | 8-parallel and 48-series |
| Actual capacity | 3086kWh |
### General
| **** | **** |
| ------------------------------------ | --------------------------------------------------------------------------------------------------- |
| BESS Container dimensions (WXDXH mm) | W6,058xD2,438xH2,896mm |
| BESS weight | 31T |
| IP protection | IP54 |
| Operating temperature range | Normal: -20\~40℃Maximum: -35\~45℃ |
| Relative humidity | 0\~95% (non-condensing) |
| Max working altitude | 2,000m/6,562ft |
| BESS cooling | Liquid cooling & air conditioner |
| Control system communication | Local Controller gateway, Ethernet |
| Certifications | UL9540, IEC62619, EN 50549-2, IEC 61000-2&-4, IEC 62477, UL 1973, EN50549-2, IEEE 1547, FCC, UN3536 |
## 1.5. BESS Container Key features
− 314 Ah LFP cells from EVE, one of the world’s largest suppliers of LFP cells for ESS. Rated for 10,000 full cycles at 70% of initial capacity at 0.5P 25°C.
− AC/DC all-in-one integrated design in one 20’ container, 1500Vdc platform
− High efficiency string PCS.
− Active balancing BMS, Pack and rack level optimization design.
− Compact design, one 20’ container provides more energy but smaller size to save space.
− 100% pre-installed, plug-play upon delivery.
− FAT and commissioning done before shipping.
− \<31T total weight allows most kind of transportations and liftings.
− 690Vac output ready to connect grid through additional step-up transformer.
C5M corrosion classification as per ISO12944 for use in harsh weather and coastal areas
## 1.6. Main Components List
### Battery system
| Name | Model specs | Qty |
| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --- |
| Battery Module | LP47-DC1500V Including 48 battery cells, active balancing BMU, 48 voltage sensors, 32 module temperature sensors, 2 pole temperature sensors.780(W)\*1096(D)\*238.5(H)mm | 64 |
| Battery String | LS376-LP47 string assembly for 8 battery modules and 1 HVU862(W)×1,100(D)×2,228(H)mm | 8 |
### Electrical Control and Distribution System
| Name | model specs | Qty |
| -------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --- |
| DC High Voltage Unit (HVU) | 1500V active balancing version, including DC molded case circuit breaker, DC contactor, fuse, battery management unit (CMU), sensor, etc. | 8 |
| BESS Controller | 625(W) x500(D) x950(H)mm, Including 1 set of PLC control system, HMI, auxiliary power module, industrial switch socket, terminal block, etc. | 1 |
| Distribution Box DB | 1000(W) x400(D) x1000(H), Includes 8 sets of AC plastic case circuit breaker, three-phase bus bar, power switch of secondary equipment, communication terminal of reserved function, etc. DB also has reserved terminals for communication, control and external 220VAC UPS power supply. | 1 |
### Container and Auxiliary System
| name | Model specs | Qty |
| --------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --- |
| 20ft TEU Container | 20-foot (6,058(W) x 2,438(D) x 2,896(H) mm) standard container, 50 mm insulation, including reinforced steel. | 1 |
| Auxiliary Power Transformer | Rated capacity is 50kva, primary side voltage is 690V, and secondary side voltage is 400V; Auxiliary transformers provide electrical power for GPC, FFS, HVAC systems and lighting systems. NOTE: Auxiliary power transformer is inside the MV transformer container. | 1 |
| Liquid cooling | 40kW effective cooling power, with dehumidification, support for self-start and remote control, Integrated enclosure design, protection grade IP55. | 1 |
| Fire Fighting System | Including gas cylinder, solenoid valve, release pipe, nozzle, hydrogen, carbon monoxide detector, smoke, temperature detector, gas fire extinguishing controller, acoustic-optic alarm device, emergency start / stop button, etc.Pr essure balancer (pressure relief), air inlet fan, fire exhaust fan, and emergency stop button, fire extinguishing agent can use FM-200 or FK-5-1-12. Storz Coupling, installed on the side wall of the container battery room for fire trucks to allow flooding container. | 1 |
### Power Conversion System
| Name | Model specs | Qty |
| ------------------------------- | ------------------------------------------------------------------------------------------------------------------ | --- |
| Modular Power Conversion System | 200kW module converter, AC 690Vac output with AC/DC plug, communication harness, waterproof lock and aviation plug | 8 |
## 1.7. Operating Environment
- Maximum Operating temperature: -35～+45℃;
- Storage temperature: -30～+55℃ (Short-term storage: 1 month), 0℃\~35℃ (long-term storage: 1 year)
- Relative humidity: No more than 95%, non-condensing;
- No explosive media shall be allowed in the place of use;
- No strong acid or alkali and other highly polluting substances that can be adhered to or inhaled by the equipment shall be allowed in the place of use;
- The container must be horizontally installed on a hardened foundation, with cable slots on the ground for easy routing;
- Do not install the equipment in low-lying areas to avoid flooding;
- The container must be placed in a well-ventilated area. No obstacles are allowed within 300mm of the air inlet and outlet.
- The area around the equipment should be protected according to local requirements to prevent non-professional personnel access.
- Lightning protection measures should be placed around the equipment according to local or international standards and lightning protection requirements of the building or power plant equipment.
## 1.8. Electromagnetic Characteristics
| Test | Certification level |
| ----------------------------------------------------------------- | --------------------- |
| Electrostatic Immunity Test | EN 61000-4-2, Level 3 |
| Radiation Immunity Test | EN 61000-4-3, Level 3 |
| Electrical Fast Transient Pulse Group Disturbance Resistance Test | EN 61000-4-4, Level 4 |
| Surge Immunity Test(1.2/50μs) | EN 61000-4-5, Level 3 |
| Conducted Radio Frequency Interference Test | EN 55022, Class B |
| Radiated Radio Frequency Interference Test | EN 55022, Class B |
| Harmonic Current Emission Limit | EN 61000-3-2, Class A |
## 1.9. Main Circuit Diagram
The system topology is shown in the figure below: (The gray dotted box is the standard supply scope of SUPPLIER)
Figure 1-2 System Main Circuit Diagram
Figure 1-3 Electrical Schematic Diagram
## 1.10. Certifications
The 20C1600K is fully certified according to UL and CE latest safety standards and thermal runaway tested as per UL9540A:
- UL9540 certified
- UL9540A thermal runaway tested
- UL1973 certified
- IEC 62619 certified
- CE-LVD and CE-EMC
- UL1741, IEC 62477, EN 50549-1&-2, LVD for PCS
- UN38.3, UN3536, etc.
- Fingrid SJV2019 certified by TUV for PCS
# 2.Subsystems
## 2.1. Lithium Iron Phosphate Battery Specifications
| Item | Specs | Remarks |
| ----------------------------------- | ------------------------------------- | -------------------------------------------------- |
| Nominal capacity | 314Ah | 0.5P Standard discharge,25±2℃ |
| Nominal energy | 1,004.8 | |
| Nominal power | 502.4W | 0.5P |
| Operation voltage | 2.5 3.65V
2.0 3.65V | Cell temperature T>0℃Cell temperature T≤0℃ |
| Delivery capacity | 3%-40% SOC | Within 10days form factory |
| Delivery voltage | 2.9\~3.40V | |
| Standard charge method | 0.5P constant power charge to 3.65V | 25±2℃ |
| Standard discharge method | 0.5P constant power discharge to 2.5V | |
| Cell internal impedance | 0.18±0.05mΩ | Fresh cell, Intimal resistance measured at AC 1KHz |
| Weight | 5.60±0.30Kg | |
| Max continuous charge power | 1P | 2.5\~3.65V,25±2℃,1P=896W |
| Max continuous discharge power | 1P | |
| Charge 0\~60℃
P rate | 0\~5℃ | ≤0.12P |
| | 5\~10℃ | ≤0.3P |
| | 10\~15℃ | ≤0.5P |
| | 15\~55℃ | ≤0.5P |
| | 55\~60℃ | ≤0.5P |
| Discharge -20\~60℃
P rate | -30\~-20℃ | ≤0.5P |
| | -20\~55℃ | ≤0.5P |
| | 55\~60℃ | ≤0.5P |
| Operation humidity range | ＜70% RH | No condensation |
| Altitude | ≤4000m(Pollution degree II) | Derating when >2000m |
| Storage temperature for a long time | -20 25℃ | ≤6 months |
| | -20 45℃ | ≤3 months |
| | -20 60℃ | ≤1 months |
:::hint{type="warning"}
Must stop charging/discharging once the cell temperature exceeds operation charge/discharge temperature range
:::
:::hint{type="warning"}
Do not store the battery more than half a year. Up to half a year must be charged once. The battery with protect circuit should be charged one time when stored for three mouths.
:::
## 2.2. Battery Pack Integration
In the 20C1600K system, each battery pack contains 48 battery cells - the smallest unit in the battery system. The battery pack is standardized, easy to install and maintain, and features high energy density, consistency, reliability, and stability. The battery pack is designed with independent liquid cooling ducts inside, which provides good heat dissipation. The battery management unit (BMU), voltage sensors, and thermal sensors are also integrated in the pack to ensure the cells' stable performance.
· BMU on-board, Active balance also
· Liquid cooling
· Multi-communication
· 47.002kWh with 1p48s cell configure, output 153.6Vdc
· UL9540A tested
Battery Pack Specifications:
| No | Item | Specs |
| -- | ---------------------- | ------------ |
| 1 | Battery cell QTY (pcs) | 48 |
| 2 | Cell configuration | 1P48S |
| 4 | BMU QTY (pcs) | 1 |
| 5 | Rated voltage (V) | 153.6 |
| 6 | Voltage range (V) | 134.4\~170.4 |
| 7 | Rated Capacity (Ah) | 314 |
| 8 | Energy (kWh) | 48.230 |
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LP47 Battery Pack
## 2.3. Battery string Integration
The battery string consists of 8 battery packs connected in series and mounted on 1 battery rack. The String is designed with battery module slots, CMU, DC power distribution space, fans and air ducts.
Each battery pack is equipped with a battery monitoring unit (BMU). The 8 BMUs are connected to the battery string management system (CMU) through CANBUS. The CMU manages the battery string and control the String's DC contactor. The CMU uploads battery information and DC switch status to the dispatch control terminal via Ethernet and receives control commands from the GPC.
· Comprehensive monitoring of battery operating status
· Reliable charge and discharge
· Built-in multi-level protection
· Modular design with high scalability
· Full metal frame
· UL9540A tested
· UL1973/IEC62619 certificated
Battery string Specifications:
| No | Item | Specs |
| -- | ------------------- | -------------- |
| 1 | Battery pack (pcs) | 8 |
| 2 | Pack configuration | 1P48S |
| 3 | BMU QTY (pcs) | 8 |
| 4 | CMU QTY (pcs) | 1 |
| 5 | Rated voltage (V) | 1228.8 |
| 6 | Voltage range (V) | 1075.2\~1363.2 |
| 7 | Rated capacity (Ah) | 314 |
| 8 | Energy (kWh) | 385.84 |
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LS376-8LP47 Battery string
## 2.4. Battery System Integration
The whole battery system comprises 8 battery strings connected. Each String's DC power distribution and battery management system are also integrated inside the cabinet and are modularly designed to be easy to install and maintain. The total capacity of the battery system is 3,008kWh.
Specifications are shown as below:
| No | Item | Specs |
| -- | ----------------------------------- | -------------- |
| 1 | Battery string rated capacity (kWh) | 385.8 |
| 2 | Battery string QTY (pcs) | 8 |
| 3 | Battery pack QTY (pcs) | 64 |
| 4 | System total capacity (kWh) | 3086 |
| 5 | DC busbar rated voltage (V) | 1228.8 |
| 6 | DC busbar voltage range (V) | 1075.2\~1363.2 |
## 2.5. Power Conversion System (PCS)
The energy storage bidirectional power conversion system enables the bidirectional energy conversion between batteries and the grid AC power. Its core part is an inverter composed of power electronic components with embedded control software.
− Three-level topology, up to 99% conversion efficiency, better power quality
− Integrated cluster-level battery management function, high battery availability
− Intelligent multi-stage fan speed regulation, wide temperature operation capacity, 50 °C no derating
− Support constant power, constant current, constant voltage control, with a frequency modulation, VSG, and other functions
− Support IEC61850 protocol, with MS-level responsiveness
− IP66 protection, outdoor can be installed vertically and horizontally
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EH-0200-HA-M
PCS diagram
Main specifications are shown as below：
| Item | | Description |
| --------------------- | ---------------------------- | ----------------------------------------- |
| Battery DC side | Max. DC voltage | 1,500Vdc |
| | Max. DC current | 224.5Adc |
| | Battery system voltage range | 1,000-1,500Vdc |
| Grid AC side | Rated power | 200kW |
| | Max. AC power | 220kW |
| | Rated grid voltage | 690Vac, 3W+PE |
| | Grid voltage range | 586.5\~759V(settable) |
| | Max. AC current | 184.1Aac |
| | Rated grid frequency | 50/60Hz |
| | THDi | \<1.5% |
| | AC PF | -1\~+1 |
| System characteristic | Isolated | None |
| | Max. efficiency | 98.7% |
| | IP protection | IP66 |
| | Operation temperature | -40\~+60℃ |
| | Allowable humidity range | 0\~100% (no condensation) |
| | Maximum operating altitude | 4,000m |
| | Cooling | Temperature controlled forced air cooling |
| | Communication Interface | RS485/CAN/Ethernet |
| | Dimension（WxDxH） | 810×275×845mm |
| | Weight | 100kg |
# 3.BMS
The battery management System BMS is composed of Battery Module management unit BMU and battery string management unit CMU which is connected to the BESS Controller.
BMS system has the functions of high-precision detection and reporting of analog signals, fault alarm, upload and storage, battery protection, parameter setting, passive equalization, Battery Module SOC calibration and information interaction with other equipment. Main features of battery management system.
· Carry out comprehensive detection of battery operation status, including voltage, current, temperature, etc.;
· High accuracy of single battery voltage detection: ± 5mv, ensuring the reliability of system data analysis;
· Multi point temperature monitoring to avoid battery thermal runaway and ensure system safety;
· Passive equalization mode, effectively delaying battery life;
· Modular design, strong scalability;
· Complete and reliable battery protection function;
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## 3.1. BMS Specifications
The technical specifications of BMU and CMU are shown in the table below:
### BMU
| Item | Specification |
| ------------------------------------- | ------------------------------------------------------------------------ |
| Operating voltage range (V / DC) | 18\~32 |
| Normal working current (A) | 0.03 |
| Number of battery detection strings | 16 |
| Temperature detection points | 8(6-way battery package temperature + 2-way connection pole temperature) |
| Cell Voltage Measurement Accuracy | ±5 mV |
| Cell Temperature Measurement Accuracy | ±2℃ |
| Cell Balancing Current | 2A MAX |
| Operating temperature range | -30℃\~55℃ |
| Balancing Method | Active equalization |
| BMS Insulation Voltage | All internal cables to shell: 3kVac, 1 minute, no arcing |
### CMU
| Item | Specification |
| ----------------------------------- | ------------- |
| Operating voltage range (V / DC) | 18\~36 |
| Normal working current (A) | 0.1 |
| String Voltage Measurement Range | 100\~1500 V |
| String Voltage Measurement Accuracy | 1%FSR |
| String Voltage Measurement Period | 200ms |
| String Current Measurement Range | ±300 A |
| String Current Measurement Accuracy | 1%FSR |
| String Current Measurement Period | 50ms |
| Temperature Measurement Range | -40℃\~120℃ |
| Operating Temperature Range | -30℃\~55℃ |
| SOC Calculation Accuracy | 8% |
| Leakage Current Measurement Range | -20mA\~+20mA |
### GPC
| Item | Specification |
| --------------------------- | --------------------------- |
| Operating Voltage Range | 400VAC±10% |
| Operating Temperature | -30\~+40℃ |
| Relative Humidity | 20%\~90%RH (non-condensing) |
| Thermal Management Method | Air cooling |
| Input Insulation Resistance | ≥10MΩ, 1500VDC |
## 3.2. BESS Controller
**GridPoint Controller**
The GPC is the BESS system core to realize the whole system Comprehensive logical control, operation model switch control, DC incoming control, blocking, protection and data communication and exchange.
GridPoint Controller
| Item | Description |
| ---------------------- | --------------------------- |
| Power supply | 400Vac/24Vdc |
| Communication protocol | Modbus\_TCP/IP |
| Communication port | Ethernet |
| Relay | 24 stem node input / output |
| Dimension （WxDxH） | 625x500x950mm |
| Weight | 30kg |
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Communication connects layout of system
**All-round signal collection:**
- State-of-charge and fault signal of each Battery String; PCS fault signal; system emergency stop signal; AC & DC circuit breaker position signal; DC contactor position signal; air conditioning operation signal; gas fire extinguishing system alarm signal;
- Total DC current and voltage, DC current and voltage of each Battery String, grid access point active power, demand power, and container ambient temperature signal;
**Intelligent Communication:**
- PCS, BMS, air conditioning, fire protection, third-party platform.
**Comprehensive logical control:**
- Monitor the DC voltage level difference between Battery Strings, and block the DC busbar connection to avoid circulating current due to large voltage difference;
- Monitor battery temperature and container ambient temperature, automatically start fan and air conditioner in battery cabinet to meet the battery working environment requirements;
- Adaptive adjustment of the charge/discharge power of the PCS;
- Automatically disconnect the fault Battery String, without affecting the charging and discharging of other racks;
**Multiple protection includes:**
- Overload protection in charging: monitor the transformer load status at the grid access point busbar in charging, and adjust the charging power or stop charging when overloading;
- Reverse power protection in discharging: monitor the transformer load status at the grid access point busbar in discharging and adjust the discharging power or stop discharging when there’s reverse power.
### Human machine interaction:
- 10-inch touch screen providing comprehensive monitoring of BESS status,
- Real-time data query, alarm event query,
- Parameter values setting, and operating strategy query.
**Multiple interfaces:**
- RS485 interface for connection to SCADA control servers or third-party platforms.
- Support for ModBus TCP/IP and IEC8150 GOOSE communication for rapid grid switching.
- Optional 4G and satellite IP communication gateway for critical communications backup.