The KSTAR BluE-S Series 5kW is a high-performance single-phase residential energy storage system in Cyprus designed for homeowners seeking full solar independence. This all-in-one hybrid unit combines a single-phase inverter, CATL lithium battery, and smart energy management in one compact unit. Perfect for off-grid or self-consumption setups, it ensures uninterrupted power supply even during grid outages. Ideal for homes across Cyprus, it provides a seamless and efficient energy storage solution with low maintenance and high safety standards.
✓ VAT included · Delivery in Cyprus
If you’re looking for a premium, high-performance residential energy storage system in Cyprus, the KSTAR BluE Single-Phase Residential ESS is the gold standard. Designed for homeowners and property owners who value quality, safety, and full solar independence, this advanced all-in-one system combines cutting-edge hybrid inverter technology with seamless energy management.
At CGP Solar, we understand that quality and peace of mind are paramount. For over a decade, we’ve been at the forefront of bringing cutting-edge solar solutions to Cypriot homes. The KSTAR BluE Residential ESS isn’t just another product, it’s a testament to our commitment to providing you with the very best. This isn’t just about saving money, it’s about investing in a superior quality product that guarantees reliability, efficiency, and real energy freedom for your home.
The KSTAR BluE Single-Phase Residential Energy Storage System is an all-in-one hybrid solar solution designed specifically for homeowners who want to store and manage their solar energy efficiently. It combines three essential components — a hybrid inverter, lithium battery, and smart energy management system — in one compact, streamlined unit.
This system is ideal for single-phase households in Cyprus that want to reduce electricity bills, protect themselves from power outages, or even go off-grid. It stores excess energy produced by solar panels during the day and makes it available for use at night or during grid interruptions. You can also choose how your system operates: prioritizing battery use, maximizing self-consumption, or using it as a backup during blackouts.
Powered by CATL or EVE lithium iron phosphate (LFP) batteries, the KSTAR BluE Series is known for its long lifespan, high safety standards, and efficiency. With modular, stackable batteries (starting from 5.12 kWh and expandable up to 20.48 kWh), the system grows with your energy needs.
⚠️ Please note: This product page refers to the inverter unit only. The battery module (KSTAR BluE Pack 5.1 48V) must be purchased separately. Buy the battery module here.
The KSTAR BluE-S is perfect for:
✅ Homeowners with solar panels – Store excess solar energy instead of sending it to the grid.
✅ First-time solar buyers – A complete, all-in-one hybrid system with inverter and battery.
✅ Homes with power outages – Reliable backup power during grid failures.
✅ Users switching to net billing – Maximize self-consumption and reduce grid reliance.
✅ Eco-conscious families – Lower your carbon footprint and electricity bills.
✅ Villa or off-grid property owners – Perfect for remote or rural homes in Cyprus.
CGP Solar installs and supports the KSTAR BluE-S across Cyprus.
The KSTAR BluE-S 5000D single-phase residential energy storage system it’s an All-in-One solution, meaning it integrates the essential functions of a solar inverter, a battery charger, and a battery module into a single, compact unit. This simplifies installation, reduces clutter, and ensures seamless operation. KSTAR, a global leader in power electronics since 1993, brings decades of expertise to this cutting-edge residential system.
✅ High Efficiency
With a conversion efficiency of up to 97.6% and MPPT efficiency of 99.5%, the KSTAR BluE-S 5000D single-phase residential energy storage system ensures you capture and store the maximum amount of solar energy. This high performance helps you lower electricity bills, maximize self-consumption, and achieve a faster payback.
✅ Reliable Backup Power
The KSTAR BluE-S 5000D single-phase residential energy storage system offers automatic switchover in less than 20 milliseconds when the grid goes down, keeping essential household devices running without interruption. From lights and Wi-Fi to refrigerators and security systems, your home remains powered even during outages.
✅ Modular LFP Battery Storage – Expandable from 5.12 to 20.48kWh
The KSTAR BluE-S system includes modular lithium batteries (BluE-PACK 5.1), starting from 5.12kWh total capacity (4.6kWh usable) and expandable up to 20.48kWh (4 modules). With no wiring required between battery packs and IP65 protection, this system is designed for space-saving indoor or outdoor installation.
✅ Smart Monitoring
The KSTAR BluE-S 5000D single-phase residential energy storage system comes equipped with RS485, CAN, and Wi-Fi communication, the system allows real-time monitoring through a mobile app or LCD panel. Homeowners can easily track solar generation, battery status, and overall energy consumption from anywhere.
✅ Advanced Safety Features
Certified under IEC/EN 62109 and UL 1973, the KSTAR BluE-S 5000D single-phase residential energy storage system includes multiple protection layers to safeguard both the system and your home. It defends against short circuits, overloads, surge damage, grounding issues, and anti-islanding risks.
✅PV Oversizing & Dual MPPT Tracking
The KSTAR BluE-S single-phase residential energy storage system features advanced MPPT tracking and can support PV oversizing. With up to 6.5kW max PV input (depending on model), you can connect more solar panels than inverter output to maximize performance during:
Cloudy days
Morning/evening low-light periods
Dual MPPT trackers and a wide voltage range (120–550V) ensure high solar harvesting efficiency all day.
✅ Quiet & Efficient Cooling
Using natural convection and passive/active cooling, the KSTAR BluE-S 5000D single-phase residential energy storage system operates with minimal noise, making it ideal for residential environments. At the same time, it maintains stable performance and extends system life.
Learn more on official KSTAR website.
| Feature | Specification | |
|---|---|---|
|
Hybrid Inverter Model |
KSTAR BluE-S 5000D Single-Phase Residential ESS |
|
|
Inverter Type |
Hybrid |
|
|
PV String Input |
|
|
|
Recommended Max. PV Array
Input Power |
6500W |
|
|
Max PV Voltage |
580V |
|
|
Rated Input voltage |
400V
|
|
|
MPPT Voltage Range |
120 ~ 550 V
|
|
|
MPPT Voltage Range (Full Load) |
230 ~ 550V |
|
|
Number of MPPT |
2 |
|
|
Max. Input Current |
13A*2 |
|
|
Isc PV |
16A*2 |
|
|
AC Output (Grid) |
|
|
|
Rated AC output power |
230Vac |
|
|
Output voltage range |
150V ~280V |
|
|
Output frequency range |
50 / 60Hz(±5Hz), (adjustable) |
|
|
Rated Input Current |
31A |
|
|
Max. Current from Utility Grid |
32A |
|
|
Max. Apparent Power from Utility Grid |
7360VA |
|
|
Max. Power Output to Utility Grid |
4999W |
|
|
Max. Current Output to Utility Grid |
21.7A |
|
|
AC Output Connection |
L+N+PE, Transformerless |
|
|
Power Factor (cosΦ) |
-0.8 (Lagging) ~ 0.8 (Leading) |
|
|
THDi |
＜3% |
|
|
Power grid disconnection |
Bipolar miniature circuit breaker (40A/pole) |
|
|
Battery Input |
|
|
|
Battery Type |
LFP (LiFePO4) |
|
|
Rated Battery Voltage |
51.2V |
|
|
Battery Voltage Range |
40~60V |
|
|
Max. Discharging Current |
100A |
|
|
Max. Charging Current |
100A |
|
|
Battery Switch |
Bipolar DC Switch (125A/Pole) |
|
|
AC Output (Backup) |
|
|
|
Rated Output Voltage |
230（Fluctuation range±2%） |
|
|
Rated Output Frequency |
50/60Hz (Fluctuation range±0.2%） |
|
|
Rated output Current |
20A |
|
|
Rated Output Power |
4600W |
|
|
Max. Output Apparent Power |
6000VA |
|
|
THDv |
<2%（Linear Load） |
|
|
Automatic Switch Time |
<20ms |
|
|
OverLoad |
6900VA 10sec |
|
|
Off-line AC disconnection |
Bipolar miniature circuit breaker (25A/pole) |
|
|
Efficiency |
|
|
|
Max. Conversion Efficiency (From Battery） |
94.0% |
|
|
Max. Conversion Efficiency (From PV） |
97.6% |
|
|
Euro Efficiency |
97.0% |
|
|
MPPT Efficiency |
99.5% |
|
|
Protection |
|
|
|
Short Circuit Protection |
Yes |
|
|
Anti-islanding Protection |
Yes |
|
|
AC Leakage Fault Protection |
Yes |
|
|
Grounding Fault Protection |
Yes |
|
|
Overload Protection |
Yes |
|
|
Surge Protection |
Yes |
|
|
DC Polarity Protection |
Yes |
|
|
Warranty |
5-years product warranty, 10-years performance warranty |
|
|
General Specifications |
|
|
|
Dimensions (W x H x D) |
540*640*240 mm |
|
|
Weight |
30 kg |
|
|
Operating Temperature Range |
-20°C to +60°C (> 45°C derating) |
|
|
Cooling Type |
Natural Convection |
|
|
Max. Operation Altitude |
≤ 2000m |
|
|
Operation Humidity |
0 ~ 95% (No Condensation) |
|
|
IP Class |
IP65 |
|
|
Topology |
High Frequency Isolation |
|
|
Communication |
RS485 / CAN2.0 / WIFI |
|
|
Display |
LED / APP |
|
Combines the best of both worlds for optimal flexibility and future expansion.
A hybrid-coupled system integrates elements of both DC and AC coupling. In this setup, you might have some solar panels connected directly to the KSTAR BluE Residential ESS’s DC input (like a DC-coupled system), while also having an existing or additional PV inverter connected to the AC side (like an AC-coupled system). This configuration offers maximum flexibility, allowing for diverse solar array designs and potentially optimizing energy flow based on your specific needs or future additions. It’s particularly useful for maximizing energy harvest from different panel orientations or expanding an existing system with new PV arrays.
The KSTAR BluE ESS All in One Single-Phase Residential Energy Storage System in Cyprus represents more than just an energy storage solution – it’s your investment in energy independence, financial savings, and environmental responsibility. With Cyprus government incentives making this technology more accessible than ever, there’s never been a better time to upgrade your home’s energy infrastructure.
Contact CGP Solar today to schedule your personalized consultation and discover how the KSTAR BluE Single-Phase Residential Energy Storage System can transform your home’s energy management.
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