The Easun Power Solar Inverter series is designed for real operational flexibility - depending on the model, they can function as hybrid inverters (on-grid and off-grid), providing home power supply even during grid outages and allowing surplus energy to be fed back into the grid. In practice, this translates to more efficient autonomous consumption and easier control of power supply priorities (PV-grid-battery).
Dual MPPT variants facilitate optimization for installations split across two roof sections or partial shading - each tracker independently selects the optimal operating point, stabilizing energy production under more challenging conditions.
High European efficiency means the inverter maintains excellent performance not only under ideal sunlight but also under typical, variable operating conditions in Poland. Additional benefits include WiFi monitoring (via app) and service communication, and for hybrid models, battery energy storage management with BMS integration (e.g., via RS485/CAN). This series is ideal for residential and small commercial installations, where controlling energy flows, reliability, and a reasonable warranty are key considerations.
Ranking
Specifications
Pros and cons
Models with dual MPPT (e.g., 6 kW) achieve tracking efficiencies up to 99.5% with independent voltage ranges of 50-450 V DC on each tracker. This allows for the efficient operation of installations divided into two sections or partially shaded, without interference between the strings.
The series combines the functionality of both a grid-tied and an off-grid inverter in a single unit - in the event of a grid power outage, the switchover happens automatically, ensuring that critical loads are still powered. This eliminates the need to purchase a separate off-grid inverter, which reduces the overall cost of the system.
The Wi-Fi module enables real-time monitoring via a mobile app without the need for additional communication gateways. Support for RS485 and CAN protocols allows for full integration with popular LiFePO4 energy storage systems, including BMS-controlled charging management.
The IP65 degree of protection (dust and water ingress) allows for the installation of the inverter directly outdoors, without the need for additional protective housing. Most competing devices in this price range (e.g., Voltronic OEM) only offer IP20-IP21 protection, requiring a technical room.
The built-in Time-of-Use (TOU) feature allows users to program charging and discharging schedules for the battery based on energy tariffs. Users can independently set priorities for PV → grid → battery for different time periods, which translates into real energy bill optimization.
The standard warranty is 1 year (with the option to extend it to 3-10 years for an additional fee), while Fronius offers a 5-year warranty, SolarEdge offers a 12-year warranty, and Huawei offers a 10-year warranty. With a 15-25-year lifespan for PV installations, a short standard warranty significantly increases the risk of incurring service costs after it expires.
Instances of support teams failing to respond for over 7 months, sending customers with faulty equipment back without resolution, and charging for defective replacement parts have been reported on the Trustpilot platform and the DIY Solar forum (diysolarforum.com). For commercial or critical installations, the lack of reliable service represents a significant operational risk.
Easun Power does not manufacture inverters in its own facilities, but rather outsources their production to external OEM suppliers (as confirmed by analyses from the DIY Solar community). This can lead to potential inconsistencies in quality between different production batches and makes it more difficult to standardize service and ensure the availability of spare parts.
Alternatives
About the Solar Inverter series
These answers cover the whole series. Where a figure differs, the specification above is this model's own.