
The ESS LV15KW 64KWH 3 PHASE LOW-VOLTAGE ALL-IN-ONE INVERTER & BATTERY SYSTEM is the ultimate choice for users who demand powerful performance, long backup time, and reliable clean energy for both residential and industrial applications.
The Features of ESS LV15KW 64KWH 3 PHASE LOW-VOLTAGE ALL-IN-ONEINVERTER & BATTERY SYSTEM

BMS
Support Lithium/Lead-acid Battery
Photovoltaic
MAX.PV 18KW
WAVE
Pure Sine Wave
BMS
Built-in Solar Charger
Grid
Battery supports up to 16
Input/output
Input/Output 400V
MPPT
Wide MPPT Range 120-520V
Monitoring
WiFi Monitoring
The Technical Parameter of ESS LV15KW 64KWH 3 PHASE LOW-VOLTAGE ALL-IN-ONEINVERTER & BATTERY SYSTEM
| Parameter | Value |
|---|---|
| Model | ESS LV 15KW+64KWH |
| AC Input | |
| Rated Input Voltage (VAC) | 400V / 3L+N+PE |
| Voltage Range (VAC) | 400V / -20%~15% |
| Frequency (Hz) | 50 / 60 (Auto Adaptive) |
| AC Output | |
| Rated Capacity (kW) | 15KVA |
| Surge Power (kVA) | 18KVA |
| Voltage (VAC) | 400V / -20%~15% |
| Power Factor (PF) | 1 |
| Frequency | 50/60Hz ±0.1% |
| Switch Time (ms) | 10 |
| Wave Form | Pure Sine Wave |
| Overload Capacity (Battery Mode) |
60s@102%~110%; 10s@110%~130%; 3s@130%~150%; 0.2s@>150% |
| Efficiency | |
| Max. Efficiency (Battery Mode) | 93%@48VDC |
| Charger (PV / AC) | |
| Solar Charger Type | MPPT |
| Max PV input current / power | 9000W+9000W |
| Operating Voltage Range (VDC) | 80–520 |
| Max PV Open Circuit Voltage (VDC) | 500 |
| Max PV Charge Current (A) | 200A |
| Max AC Charge Current (A) | 160A |
| Max Charge Current (PV + AC) (A) | 200A |
| Battery | |
| Nominal Battery Voltage | 51.2VDC |
| Rated Energy | 64KWh (0.5C, 25℃) |
| Usable Energy (90%DOD) | 57.6KWh |
| Max Charge/Discharge Current | 400A / 400A |
| Operation Voltage Range | 40.5Vdc ~ 58.4Vdc |
| Operation Temperature | -10℃ ~ +50℃ |
| Interface | |
| Display | LCD |
| Communication | USB |
| Monitoring | WiFi |
| General Data | |
| Ingress Protection | IP20 |
| Operating Temperature | -10 ℃ ~ 50 ℃ |
| Relative Humidity | 5% ~ 95% (Non-condensing) |
| Storage Temperature | -15 ℃ ~ 60 ℃ |
| Max. Operating Altitude | 4000m (Derating above 1000m) |
| Dimension | |
| Product Size (mm) | Inverter: 745×440×176mm / Battery: 745×440×240mm (1PCS) |
| Package Size (mm) | Inverter: 836×496×232mm / Battery: 840×520×430mm (1PCS) |


Why Choose the ESS LV15KW 64KWH 3 PHASE LOW-VOLTAGE ALL-IN-ONEINVERTER & BATTERY SYSTEM
Powerful Energy Solution
With 15KW rated output and 64KWH lithium battery storage, this system is designed for large households, villas, factories, and commercial facilities that require stable and continuous energy.Long Backup Duration
Equipped with a 64 kWh battery capacity and 90% depth of discharge, it ensures extended autonomy and reliable operation even during prolonged grid outages.High Charging Capability
Supports dual MPPTs with up to 9000W+9000W solar input and 200A charge current, allowing fast and efficient energy replenishment.Excellent Efficiency
Battery mode efficiency of 93%@48VDC ensures maximum utilization of stored and generated solar energy with minimal losses.Smart Monitoring & Control
Integrated LCD, USB communication, and WiFi monitoring enable real-time system status tracking and easy operation.Robust Design & Safety
Pure sine wave output, overload protection, wide operating voltage range (40.5–58.4Vdc), and IP20 ingress protection guarantee reliable and safe performance in diverse environments.Future-Proof Investment
Engineered for large-scale applications, it provides energy independence, reduces electricity bills, and supports a sustainable lifestyle.
The ESS LV15KW 64KWH 3 PHASE LOW-VOLTAGE ALL-IN-ONE INVERTER & BATTERY SYSTEM is the ideal choice for households and small businesses to achieve energy independence and sustainable living. You could contact us to get a quotation or get a free all-in-one solution for an inverter battery