High Capacity: 200kWh energy storage using LiFePO4 batteries
Powerful Output: 50kW rated power
Advanced Safety: Integrated fire suppression and comprehensive electrical protection
Smart Connectivity: Supports RS485, Modbus TCP for seamless integration and monitoring
Durable Design: IP54 rated enclosure for demanding environments
Flexible Installation: Suitable for indoor applications
Reliable Operation: Designed for long-lasting performance and stability
50kW 200kWh High Voltage Lithium Battery Energy Storage Cabinet【All-in-One ESS】
Product Features
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Supports Photovoltaic Access
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Modular design for flexible expansionand easy maintenance.
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Multiple communication methods support remote upgrades.
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Supports 100% unbalanced loads and 110% long-term overoads.
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Ultra-high energy density, compactsize, easy installation and transportation.
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Adjustable output power, configurable charge and discharge power,strong grid adaptabilit.
Application Scenarios
Related Data

Model | VN-50K-CH200 |
Battery Parameters | |
Usable Energy | 20.0kWh |
Battery Type | LFP(LiFePO₄) |
Cell Module Capacity | 4.333kWh |
Number of Battery Modules | 5 |
Rated Battery Voltage | 798V |
Max. Charge/Discharge Current | 140A |
PV Input Parameters | |
Max. Input Power | 60kW |
Max. Input Voltage | 1000V |
MPPT Voltage Range | 150-850V |
Startup Voltage | 180V |
Rated Input Voltage | 600V |
Max. Input Current per MPPT | 5A |
Max. Short-circuit Current per MPPT | 5.5A |
Number of MPPTs | 4 |
Number of Strings per MPPT | 2 |
Grid-tied Output Parameters | |
Rated Output Power | 50kW |
Max. Output Power | 55kW |
Rated Output Apparent Power | 50kVA |
Rated Output Voltage | 400/380V |
Output Voltage Range | 320-456V |
Max. Grid-tied Output Current | 72.5A |
Max. Input Current | 79.8A |
Power Factor | ~1 |
Total Current Harmonic Distortion | <3% |
Off-Grid Output Parameters | |
Rated Off-Grid Apparent Power | 50kVA |
Max. Off-Grid Apparent Power | 55kVA |
Rated Output Current | 79.8A |
Max. Output Voltage | 400/380V |
Output Voltage Range | 310-456V |
Total Current Harmonic Distortion | <3% |
Efficiency | |
Max. PCS Efficiency | 98.00% |
System Efficiency | 95.00% |
Protection | |
PV Reverse Polarity Protection | Integrated |
Residual Current Monitoring | Integrated |
Battery Reverse Polarity Protection | Integrated |
Anti-Islanding Protection | Integrated |
AC Over Current Protection | Integrated |
AC Short Circuit Protection | Integrated |
DC Switch | Level 2 |
DC Surge Protection | Level 3 |
AC Surge Protection | Level 3 |
Basic Parameters | |
Operating Temperature Range | -25~+55°C |
Relative Humidity | 0-95% |
Max. Operating Altitude | 3000m |
Cooling Method | Intelligent Air Cooling |
Display | Touch Screen |
BMS Communication Method | RS485/CAN |
Communication Interface | RS485/CAN |
Communication Protocol | CAN |
Weight | <1500kg |
Dimensions (W×H×D) | 1795×1934×294mm |
Topology | Non-Isolated |
Protection Level | IP55 |
Firefighting System | Aerosol |
Installation Method | Floor-mounted |
Hefei VoltaNest Energy Storage Technology Co., Ltd.
VoltaNest is located in Hefei City, Anhui Province. As a global leading new energy enterprise, with over 20 years of experience in PV systems, VoltaNest Group provides high-quality energy storage products for residential, commercial, and utility applications. Our lithium iron phosphate (LFP) solar battery systems offer safe, long-lasting, and efficient energy storage.
VoltaNest has won the unanimous recognition of consumers with satisfactory quality and perfect after-sales service. We can provide customized services and overseas installation services according to the needs of different customers.We can provide customized products according to customer needs. ODM and OEM orders are welcome.

Our products are all packed in cartons or wooden boxes that meet international standards, and we ensure that all products can reach customers safely and quickly. We also support video inspection, which makes the whole process transparent and gives customers more peace of mind.
Our products have UL, CE, UN38.3, IEC62619, MSDS and other certifications

FAQ
Q: Can you provide shipping services?
A: Yes, we can handle customs clearance and door-to-door delivery.
Q: If I have my own brand and would like custom manufacturing services, would you be able to do that?
A: We are a leading energy storage battery manufacturer in China, providing OEM/ODM services to over 58 partners worldwide.
Q: How to install and use?
A: We provide installation and operating instructions and video tutorials, and we also offer overseas installation services upon request.
Q: What if I encounter problems during use?
A: Our products come with an extended 5-10 year warranty and a lifetime free diagnostic service.
Q: Can I become a local distributor for your products?
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