Integrated 6.5kw off-grid inverter and
Integrated 6.5kw off-grid inverter and lithium-ion battery module

Discover Voltronic Power's ESS610 with MPPT range 90-230 VDC, max solar charge 120A, and 250 VDC open circuit voltage.
In stock
The Voltronic Power ESS610 is a cutting-edge energy storage system designed to optimize solar energy usage. With an MPPT range of 90 to 230 VDC and a maximum solar charge current of 120A, it ensures efficient energy conversion and storage. Ideal for residential and commercial solar installations, the ESS610 supports reliable power supply and energy independence.
Specifications last updated 27 March 2026
| MPPT Range @ Operating Voltage | 90 ~ 230 VDC |
|---|---|
| Maximum PV Array Open Circuit Voltage | 250 VDC |
| Maximum Solar Charge Current | 120A |
| Acceptable Input Voltage Range | 90-140 VAC (For Computers) / 80-140 VAC (For Home Appliances) |
| Maximum AC Input Current | 60A |
| Nominal Output Voltage | 120 VAC |
| Maximum Conversion Efficiency (DC/AC) | 93% |
| Nominal DC Voltage | 48 VDC |
| Maximum Charging Current | 120 A |
| Compliance Safety | UL 1741, CSA C22.2 No.107.1-16, FCC PART 15B |
| Capacity | 5120Wh |
| Nominal Voltage | 51.2VDC |
| Full Charge Voltage (FC) | 56V |
| Full Discharge Voltage (FD) | 42V |
| Typical Capacity | 100Ah |
| Max Continuous Discharging Current | 120A |
| Max Discharging Current | 192A at 1min |
| Protection | BMS, Breaker |
| Charge Voltage | 52.5V |
| Charge Current | 20A (0.2C) |
| Maximum Charge Current | 50A (0.5C) |
| 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 |
| Number of MPP Trackers / Maximum Input Current | 2 / 2 x 18 A |
| Dimension, D x W x H (mm) | 214 x 621 x 500 |
|---|---|
| Net Weight (kgs) | 25 |
| Battery Module Dimension, D X W X H (mm) | 210 x 621 x 551 |
| System Dimension, D X W X H (mm) | 500 x 660 x 1250 |
| Weight | 25 kg |








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Read: Lead-Acid vs Lithium-Ion UPS Batteries: Cost, Lifespan & TCO Compared →The ESS610 offers a maximum conversion efficiency of 93% for DC to AC. It operates with a nominal output voltage of 120 VAC and a nominal DC voltage of 48 VDC.
Yes, the ESS610 is compatible with a variety of battery types and supports a wide MPPT range of 90 ~ 230 VDC, making it suitable for different solar panel configurations.
The ESS610 has dimensions of 214 x 621 x 500 mm and weighs 25 kg. It is designed to be compact and efficient for various installation environments.
Installation of the ESS610 requires adherence to safety standards and should be performed by a qualified professional. It supports an acceptable input voltage range of 90-140 VAC.
The ESS610 comes with a standard warranty that covers manufacturing defects. For specific warranty terms, please refer to the product documentation or contact Voltronic Power.
The ESS610 complies with several certifications including UL 1741, CSA C22.2 No.107.1-16, FCC PART 15B, IEC 62619, EN 61000-6-3, EN 61000-6-1, UKCA, and UN38.3.
The ESS610 is designed to operate efficiently in a range of environmental conditions. It is important to ensure proper ventilation and avoid extreme temperatures and humidity.
The ESS610 offers high efficiency, robust compatibility with solar panels and batteries, and compliance with international safety standards, making it a reliable choice for energy storage.