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Rack-Mount 30V Energy Storage System – No Inverter Included
The ESS system is a high-performance off-grid energy storage system. It uses high-quality lithium iron phosphate cells and is equipped with an intelligent BMS battery management system.
It has long cycle life, high safety performance, good sealing, and is equipped with high-frequency off-grid inverter, built-in MPPT controller, provides efficient and reliable energy solutions for PV off-grid power generation systems, homes PV storage systems, and industrial and commercial energy storage systems.
The system is equipped with a self-developed APP, supports IOS/Android mobile phones, remotely controls the charging and discharging of the ESS system, and real-time system operation data. When the system fails, it can be quickly eliminated and the effective power supply can be restored efficiently.
Rack-Mount 30V Energy Storage System for Solar Backup (No Inverter Included)
This energy storage system is designed for solar and off-grid backup use. With a 30V LiFePO₄ battery, it offers high-capacity storage in a rack-mount form factor. The system does not include an inverter, making it ideal for users who already have inverter setups or prefer custom pairing.
Its compact and durable cabinet integrates easily into existing rack configurations. Built-in safety features and long cycle life ensure reliable performance for both residential and commercial energy applications.
For those researching lithium battery chemistry, learn more about LiFePO₄ safety and performance from Battery University.
Why This Energy Storage System is a Smart Investment
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Inverter-Ready: Designed for users who already have an inverter or want to choose their own.
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High Performance: Delivers up to 5kWh usable energy per unit with stable 30V output.
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Safe & Scalable: Built-in BMS provides thermal, overcurrent, and short-circuit protection.
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Flexible Mounting: Rack, floor, or wall-mount installation in compact spaces.
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Clean Energy Storage: Operates silently with zero emissions—safe for indoor use.
Technical Specifications
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Voltage: 30V DC
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Capacity: 5kWh usable
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Cell Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Life Cycle: ≥6,000 charge cycles
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Communication: CAN / RS485
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Mounting Options: Rack / Wall / Floor
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Operating Temp: -10°C to 50°C
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Certifications: CE, RoHS, UN38.3
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Inverter: Not Included
Learn more about LiFePO₄ safety and performance
Looking for more options? Browse our full product line

Does this Energy Storage System include an inverter?
This unit does not come with an inverter. It’s designed for users who want to integrate their own inverter.
Does this Energy Storage System include an inverter?
It’s compatible with most 24V–48V hybrid or off-grid inverters that support CAN or RS485 communication protocols.
Is it safe for indoor installation?
Yes. The LiFePO₄ chemistry is non-toxic, with no fumes or fire risks. It’s safe for residential or commercial use.
Can I connect multiple units?
Yes. You can connect units in parallel for increased storage capacity (check your inverter’s parallel compatibility)
Related products
- Grid-Connected AC Parameters:
- Rated Power: 188 kW
- Rated Current: 211 A
- Rated Voltage: AC400V ± (20%~15%)
- Rated Grid Frequency: 50Hz/60Hz
- TDD: <3% (total harmonic distortion)
- Battery Cabinet Dimensions: 1800mm (L) x 2300mm (W) x 1200mm (H)
- Weight: 3000 kg
- Storage Temperature Range: -30°C to +60°C
- Altitude: Up to 6000 meters
- Nominal Capacity: 215 kWh
- System Efficiency: 85%
- Protection Rating: IP54 (dust and water-resistant)
- Battery Cabinet Dimensions: 1148mm (L) x 2300mm (W) x 1200mm (H)
- Weight: 2500 kg
- Storage Temperature Range: -30°C to +60°C
- Altitude: Up to 6000 meters
- Nominal Capacity: 160 kWh
- System Efficiency: 85%
- Protection Rating: IP54 (dust and water-resistant)
- High-Capacity Storage – Available in 5kWh, 10kWh, 15kWh, and 20kWh configurations to suit various energy demands.
- Advanced MPPT Technology – Enhances solar charging efficiency, optimizing power input from photovoltaic sources.
- Long Cycle Life – Designed for 6000+ charge cycles, ensuring durability and cost-effectiveness.
- Pure Sine Wave Inverter – Provides stable and clean power output, ideal for sensitive electronics.
- Smart Battery Management System (BMS) – Intelligent control for safe operation, preventing overcharging and overheating.
The cabinet series adopts high-quality lithium iron phosphate batteries, equipped with an intelligent BMS battery management system, long cycle life, high safety performance, beautiful appearance, free combination, and convenient installation. LCD display, visualization of battery operating data.
* Long cycle life LiFePO4 battery cell with excellent product design, ensure 10 years use life * Vertical industry integration ensures more than 6000 cycles with 90% DoD * Compatible with most of the available Hybrid inverters *Simple buckle fixing minimize the installation time and cost * Compact and fashionable design fits in your sweet home environment * Modular design gives the end customers the power of choice of capacity * Integrated BMS and multiple safety protection design, guaranty customer using safe- Integrated BMS and multiple safety protection designs, guaranty customers use safe
- Flexible installation: Wall mounted/ Floor mounted/ Stack/ Rack mounted. Optional bracket kits for different installation scenarios.
- Compact structure: 3U standard size (482*133.5*460mm)
- Long-lasting: cyle life ≥6000 cycles @90%DOD.15 years design life.
- High Safety: High safety LiFePO4 battery. Cells are UL9540A certified
- Parallel ability: up to 32pcs connected in parallel, scale from 5kWh to 160kWh
- Compatible with mainstream inverters
- Existing certification Cell: UL9540A, UL1642, UL2580, IEC62619, ROHS, UN38.3,
Recently Viewed Products
- Nominal Capacity: 300Ah
- Nominal Voltage: 51.2V
- Working Voltage: 40V–58V
- Inverter Output Power: 5kW
- Battery Chemistry: Lithium Iron Phosphate (LiFePO₄)
- Battery Modules: 3 included (stacked design)
- Communication: CAN / RS485
- Smart Management: EMS + LCD Display
- Installation Type: Indoor (Space-saving cabinet)
- Dimensions: 600 × 600 × 1100 mm
- Weight: Approx. 185 kg
- Operating Temp: Charge: 0–50°C / Discharge: -20–55°C
- Humidity Range: 5%–85% RH, no condensation
- Comapct size and light weight design for easy installation and rapid deployment
- Support for APP local monitoring High protection level: lP65
- Multiple communication interfaces: RS485, CAN,NB-IOT/4G,Bluetooth, and dry contact
- Diversified installation methods to adapt to complex installation scenarios
- Natural heat dissipation and fanless design
- Dimensions [W*D*H, mm],300*93*420
- weight [kg] ,≤9.
- Installation:.Willmounting. pole-mounting, and angle-steel-tower-mounting
- System:IP Grade,IP65
- Efficiency:> 95%
- Working Temperature [ C]:-40 to +55 (without direct sunlight)
- Heat Dissipation:Natual dissipation
- Environment:Storage/Transportation Temperature [℃]:-40 to +70
- Ambient Temperature [C]:5% to 95% RH(non-condensing)
- Equipped with a powerful capacity
- Powerful output power.
- Lithium Iron Phosphate (Li-FePO4) battery with a service life of more than 3,000 cycles.
- USB-C sockets and 10 output ports.
- AC Voltage Charging in Just 1 Hour
- It can be charged by solar, AC, vehicle network and generator.

National Battery Supply is a reputable manufacturer specializing in custom battery solutions. With over 20 years of experience, we can manage all your power needs.
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