High Voltage LFP Outdoor IP55 Commercial Solar Battery Storage System
The ESS-BATT NX77 is a high-voltage DC-side battery energy storage system designed for small to medium-sized commercial, industrial (C&I), and microgrid scenarios. This powerful outdoor energy storage solution combines high-density lithium iron phosphate (LFP) battery energy storage with integrated control and management functions, providing a reliable and efficient solution for businesses looking to optimize energy use and ensure long-term stable power supply. Each battery cluster has a nominal energy of 78.3 kWh and supports multi-cluster parallel expansion, allowing for flexible construction of megawatt-scale energy storage systems.
Small-Scale C&l ESS 307.2V ~768V I 31.3 kWh ~ 78.3 kWh
Ultra-Long Cycle Life: Delivers more than 6,000 cycles at 80% DOD, ensuring a minimum 15-year service life.
High Power Output: Supports a maximum 1C charge/discharge rate, making it suitable for high-power demands.
Guaranteed Warranty: Backed by a strong 10-year warranty.
Cluster Capacity: A single high-density energy storage cluster (4~10 packs) reaches 78.3 kWh of nominal energy.
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Flexibility
Support parallel expansion of 5 clusters, with a maximum capacity of 391.5 kWh.
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Easy Installation
The battery cabinet can operate simply by being quickly connected to the inverter at the installation site, without any other installation required.
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Support Off Grid
Features power supply redundancy design and supports black start function and off-grid operation for flexible power management.
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Multi-Application
Developed for industrial and commercial applications such as off-grid and grid-connected systems, it can meet the power needs of various scenarios.
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Safety Protection
All systems use lithium iron phosphate (LFP) batteries and are equipped with aerosol fire suppression systems.
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Intelligent Management
The battery cabinet is equipped with a leading BMS, which, when paired with an inverter, enables intelligent energy management.
| Series Name | ESS-BATT NX Series |
| Battery Pack Parameters | |
| Cell type | Lithium Iron Phosphate (LFP) |
| Cell capacity | 3.2V 102Ah |
| Assembly method | 1P24S |
| Rated energy | 7.83kWh |
| Rated voltage | 76.8V |
| Max. Charge/Discharge Rate | ≤1C |
| Single pack weight | 62kg±1% |
| Battery Cabinet Parameters | |
| Battery Model | NX77 |
| Battery Pack Quantity | 10 |
| System Rated Energy | 78.3kWh |
| Recommended Voltage Range | 696V～840V |
| System Rated Voltage | 768V |
| Operating Voltage Range | 672V～864V |
| Maximum Charge/Discharge Current | 100A (25±2°C) |
| Cycle Life | >6,000 cycles (80% DOD @25℃, 0.5C) |
| General Parameters | |
| Operating temperature | -20℃~55℃ |
| Operating humidity | 15% ~ 90% RH (non-condensing) |
| Storage temperature | 0℃~35℃ |
| Altitude | ≤2000m |
| Installation environment | Outdoor |
| Cooling method | Air Cooling |
| Fire protection | Supported |
| Communication | CAN/ModBus |
| Protection rating | IP55 |
| Dimensions (W*D*H) | 928*1072*2000 (±5) |
| Weight | 1050kg±3% (Without inverter) |
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