Integrated 8kw off-grid inverter and
Integrated 8kw off-grid inverter and lithium-ion battery module

Discover Voltronic Power's ESS810 with 8000VA/8000W rated power, 230VAC regulation, and 16000VA surge power for reliable energy storage.
In stock
The Voltronic Power ESS810 is a robust energy storage system designed to deliver reliable power with an impressive 8000VA/8000W rated inverter power. Featuring precise AC voltage regulation and a high surge capacity, this system ensures consistent performance for both home and professional applications. Ideal for powering sensitive electronics, home appliances, and office equipment, the ESS810 provides stable energy storage and distribution, ensuring uninterrupted operation during power fluctuations.
Specifications last updated 27 March 2026
| Rated Inverter Power | 8000VA/8000W |
|---|---|
| AC Voltage Regulation (Batt. Mode) | 230VAC ± 5% |
| Surge Power | 16000VA |
| Efficiency (Peak) | 93% |
| Transfer Time | 15 ms (For Personal Computers), 20 ms (For Home Appliances) |
| Waveform | Pure Sine Wave |
| No Load Power Consumption | <75W |
| Voltage | 230 VAC |
| Selectable Voltage Range | 170-280 VAC (For Computers); 90-280 VAC (For Home Appliances) |
| Frequency Range | 50 Hz/60 Hz (Auto sensing) |
| Solar Charger type | MPPT |
| Maximum PV Array Power | 8000W (4000W × 2) |
| MPPT Range @ Operating Voltage | 90 ~ 450 VDC |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
| Maximum Solar Charge Current | 150 A |
| Maximum AC Charge Current | 120 A |
| Maximum Charge Current | 150 A |
| Nominal Voltage | 51.2VDC |
| Full Charge Voltage (FC) | 56V |
| Full Discharge Voltage (FD) | 42V |
| Typical Capacity | 100Ah |
| Max Continuous Discharging Current | 150A |
| Max Discharging Current | 192A at 1min |
| Protection | BMS, breaker |
| Charge Voltage | 56V |
| Charge Current | 20A (0.2C) |
| Standard Charge Method | 0.2C CC (Constant current) charge to FC, CV (Constant voltage FC) charge till charge current decline to <0.05C |
| Inner Resistance | <20m ohm |
| Dimension, D x W x H (mm) | 214 x 621 x 550 |
| Net Weight (kgs) | 55 |
| Compliance Safety | IEC/EN 62109-1/-2, IEC/EN IEC 61000-6-4, IEC/EN IEC 61000-6-2, IEC/EN IEC 61000-3-11, IEC/EN 61000-3-12, IEC 61683 |
| Battery Compliance Safety | IEC 62619, EN 61000-6-3, EN 61000-6-1, UKCA, UN38.3 |








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Read: Lead-Acid vs Lithium-Ion UPS Batteries: Cost, Lifespan & TCO Compared →The ESS810 has a rated inverter power of 8000VA/8000W with a peak efficiency of 93%. It provides a pure sine wave output and has a surge power capacity of 16000VA.
Yes, the ESS810 is compatible with various battery types and supports a maximum PV array power of 8000W, utilizing an MPPT solar charger for efficient energy conversion.
The physical specifications, including dimensions and weight, are not specified in the provided details. Please refer to the product manual for comprehensive information.
Installation should be performed by a qualified technician, ensuring proper ventilation and adherence to local electrical codes. The system supports a voltage range of 170-280 VAC for computers and 90-280 VAC for home appliances.
The warranty details for the ESS810 are not specified in the provided information. Please contact Voltronic Power or your distributor for warranty terms and conditions.
The ESS810 is certified with CE, UKCA, and UN38.3 standards, ensuring compliance with international safety and quality regulations.
The ESS810 is designed to operate efficiently within a specific temperature and humidity range, though exact values are not provided. Refer to the product manual for detailed environmental requirements.
Key features of the ESS810 include its high efficiency of 93%, pure sine wave output, and fast transfer time of 15 ms for personal computers. It also supports a wide MPPT range for solar input, enhancing energy capture.