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Sofar Solar ESI 4K-S1 Hybridinverter 4 KW 1 Phases 2 MPPT
SofarSolar introduces the Single-phase inverter with 2 MPPT. It is compatible with high-current photovoltaic panels. It has a modular and integrated DC-coupled energy storage, and flexible battery capacity (1 to 6 BTS 5K battery modules and a single-phase ESI 3...6K-S1 hybrid inverter) enabling configuration up to 36 kW and 180 kWh. The maximum efficiency of hybrid inverter is 97.7%. The Sofar ESI S1 series hybrid inverter is a device that, together with the Sofar BTS 5K battery pack, creates a modern, safe and highly efficient PowerAll electrical energy storage system.
| Quantity | Minimum | Sales unit | Escrow | Reviews | Availability | Price per pc. | Total price |
|---|---|---|---|---|---|---|---|
|
2
pcs.
12 kW
|
1
pcs.
6 kW
|
Piece |
24
Ratings
|
In stock,
PL
ID: 210778
|
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Performance data
DC
| Power | 6,0 KW |
| Power max. | 6,0 KW |
| Current | 16,0 A |
| Current Max. | 32,0 A |
| Voltage | 360,0 V |
| Voltage Max. | 550,0 V |
| MPPT | 2 |
| String Inputs | 2 |
AC
| Power | 4,0 KW |
| Power max. | 4,0 KW |
| Current | 20,0 A |
| Current Max. | 20,0 A |
Dimensions
| length | 708 mm |
| width | 170 mm |
| Height | 410 mm |
| weight | 23 kg |
Manufacturer warranty
| Product warranty | n/a |
Certificates
Polish
| Data Sheet |  |
| Guarantee | |
English
| Manual | |
Advantages of the 1-Phase Sofar Solar ESI 4K-S1 Inverter - for Optimal Solar Installations
Introducing the latest innovation from Sofar Solar, the ESI 4K-S1 1 phase inverter.
Boost Solar Efficiency with 6.0 kW (DC) and 4.0 kW (AC) Output
Its impressive power output of 6.0 kW (DC) and 4.0 kW (AC) shows the effort, which was put in the conceptualization of the inverter to optimize your energy yield.
Get the Most from Your Solar Installation with 97.0% Inverter Efficiency
Thanks to its cutting-edge technology and impressive efficiency rating of up to 97.0%, it guarantees maximum output of the energy your solar panels deliver.
Advanced MPPT Technology for Solar Efficiency
Featuring 2 MPPT and 2 string inputs, the ESI 4K-S1 inverter is equipped to handle an array of solar panel configurations, allowing for maximum power generation under any condition.
Adaptable Input Voltage Range
With a wide input voltage range of 360.0-550.0 V, this inverter is designed to adapt to various solar panel configurations.
Compact and Lightweight for Quick Installation
Having a weight of 22.5 kg, this inverter provides an attractive solution for your solar energy needs. Its easy installation is complemented by its powerful performance and considerations for power output. Measuring 708 (L) mm x 170 (W) mm x 410 (H) mm, it features a sleek design that seamlessly merges into any solar energy system, making it a versatile addition.
Your trusted Solar Solutuion
Purchase the Sofar Solar ESI 4K-S1 inverter today to experience a long-lasting high-quality product, which fits all the needs for your upcoming solar project.
Sofar Solar
Sofar Solar – Inverter and Storage Solutions for Professionals
Sofar Solar is one of the world’s fastest-growing manufacturers of photovoltaic inverters and energy storage systems. Their products deliver high efficiency, long lifespan, and flexible applications – from residential systems to large-scale solar plants. With wholesale conditions, express shipping, and reliable processing, Sofar Solar provides attractive solutions for professional solar installers.
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