The CTECHI 20KW 40KWH energy storage system is a cutting-edge solution tailored for small-scale commercial and industrial applications. Combining high-performance lithium iron phosphate (LFP) batteries and a dual inverter system, it ensures reliable energy storage and distribution for uninterrupted operations. This system supports both on-grid and off-grid scenarios, enhancing energy efficiency and cost-effectiveness.
Equipped with three LFP battery modules (16S1P, 51.2V, 280Ah) providing a total capacity of 43KWh, the system offers excellent safety, durability, and a depth of discharge (DoD) of up to 95%. The natural air cooling mechanism ensures stable performance without additional cooling systems.
Features dual 10KW single-phase inverters with a maximum efficiency of 98%, ensuring optimal power conversion. The system supports seamless integration with grid connections and pure sine wave output for consistent energy delivery.
Dual PV input supports up to 11KW (5500W per channel), with a wide voltage range of 90-500V for maximum flexibility. The system operates efficiently within the ideal voltage range of 300-400V.
Designed for indoor installation with an IP55 protection rating, the system operates reliably under harsh conditions (-20°C to 60°C, humidity 20%-95%, altitude up to 4000m). The LCD display provides real-time monitoring of system performance, including input, output, and operational modes.
Integrated RS485 and CAN communication interfaces enable seamless connectivity and remote management, ensuring smooth integration with existing energy management systems.
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Battery System Parameters |
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Battery Type |
LFP,3.2V/280AH |
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Battery Module |
16S1P-51.2V280AH,14.336KWH |
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Battery Module Quantity |
3pcs |
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Rated Power |
43kwh |
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Rated Voltage |
51.2v |
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Voltage Range |
41.6v~58v(2.6v~3.65v) |
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Charge And Discharge Rate |
≤ 0.5C |
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Discharge Depth |
95% |
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Communication Interface |
RS485/CAN |
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Cooling Method |
Natural Air Cooling |
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Fire Protection System |
None |
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PCS Parameters |
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Rated Power |
10KW*2 (Single-Phase Inverter) |
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Input Source |
L+N+PE |
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Voltage |
220V/230V/240VAC |
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Frequency |
50/60Hz |
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Output Voltage |
220V/230V/240VAC ± 5% |
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Rated Grid Frequency |
50/60Hz ± 0.1% |
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Maximum Efficiency |
98% |
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Waveform |
Pure Sine Wave |
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Communication Interface |
RS485/CAN |
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Grid-Connected Switching |
Optional Grid-Connection Function |
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PV Parameters |
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Rated Power |
2*5500W (Dual-Channel) |
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PV Side Voltage |
90~500V (Optimal Voltage 300~400V) |
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Maximum Current |
150A |
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System Parameters |
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Installation Location |
Indoor |
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Protection Level |
IP55 |
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Show |
LCD Display: Operation Mode/Load/Input/Output, Etc. |
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Operating Humidity Range |
20~95% (No Condensation) |
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Operating Temperature Range |
-20~60 ℃ |
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Maximum Operating Altitude |
4000m (>1000m Derating) |
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Dimensions (Length*Width*Height) |
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Weight |
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