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Solar Hybrid Off Grid Inverter THK 1.2kW-5kW

Model:

KQ-THK-1.2KS12P / 3K6S24P / 5KS48P

High-efficiency residential solar inverter featuring up to 94% peak efficiency and 99.5% MPPT tracking, supporting parallel operation and seamless <10ms backup switching for reliable home energy storage.

  • OEM/ODM Service Support

  • Sample Order Support

  • Flexible Payment T/T, L/C

  • R&D Support

  • Quick Delivery

KQ-THK-1.2KS12P / 3K6S24P / 5KS48P

Key Feature

  • High-Efficiency Residential Solar Inverter: Peak efficiency up to 94% ensures maximum energy conversion.

  • Built-in MPPT Solar Charge Controller: Tracking efficiency up to 99.5%, optimizing solar energy harvest.
  • Battery Compatibility: Supports lithium batteries, lead-acid batteries, or PV-only operation.

  • Maximum PV Input: Up to 6kW PV array, suitable for small to medium home solar systems.

  • Parallel Capability: The 5kW model supports parallel operation for scalable energy storage.

  • Seamless Backup Power: Fast switch time <10ms guarantees uninterrupted electricity.

  • Wide MPPT Voltage Range: 40–450VDC / 120–430VDC for flexible PV input configurations.

  • Bidirectional DC Soft Start: Extends inverter and battery service life.

  • Global Grid Adaptability: Supports multiple rated voltages, including 208V, 220V, 230V, and 240V a.c. (L+N+PE), ensuring seamless integration into various international residential power systems.

  • Factory-Direct OEM/ODM: As a specialized manufacturer, we offer customized branding and technical adjustments to meet specific regional certification requirements.

ModelKQ-THK-1.2KS12PKQ-THK-3K6S24PKQ-THS-5KS48P
Rated Power1.2kW3.6kW5kW
Rated Voltage208 / 220 / 230 / 240 V a.c., L+N+PE208 / 220 / 230 / 240 V a.c., L+N+PE208 / 220 / 230 / 240 V a.c., L+N+PE
Rated Frequency50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz
Current(Maximum Continuous)10 A a.c20 A a.c40 A a.c
Power Factor111
Wave FormPure Sine WavePure Sine WavePure Sine Wave
Switch Time<10 ms (Typical)<10 ms (Typical)<10 ms (Typical)
Inverter Efficiency (Peak)90.5%@12 V.d.c>92%>94%
Current (Maximum Continuous)10 A a.c15.6 A a.c.22.7 A a.c.
Maximum Output Overcurrent Protection102% ~ 110% 1min / 110% ~ 130% 10s / 130% ~ 150% 3s / 150% 0.2s102% ~ 110% 1min / 110% ~ 130% 10s / 130% ~ 150% 3s / 150% 0.2s102% ~ 110% 1min / 110% ~ 130% 10s / 130% ~ 150% 3s / 150% 0.2s
Battery TypeLithium / Lead-acidLithium / Lead-acidLithium / Lead-acid
Rated Battery Voltage12 V24 V48 V
Rated Voltage Range10.8 ~ 15 V21 ~ 30.2 V42 ~ 60 V
Max. Charge Current120A100A80A
PV INPUT MPPT Tracker/Strings111
Max. PV Array Power1KW5KW6KW
Max. DC Voltage125V500V500V
MPPT Voltage Range20 ~ 100 V40~450 V120 ~ 430 V
Start-up Voltage20V60V120V
MPPT Maximum Charge Current60 A d. c.100 A d. c.80 A d. c.
Max. Input Current14 A d. c.18 A d. c.18 A d.c.
Isc PV (Absolute Maximum)16 A d. c.22 A d. c.22 A d. c.
Parallel FunctionNoNoYES
IP GradeIP20, Indoor onlyIP20, Indoor onlyIP20, Indoor only
ProtectionOverload, Over temperature, Short circuitOverload, Over temperature, Short circuitOverload, Over temperature, Short circuit
Operation Temperature-10℃ ~ +50℃-10℃ ~ +50℃-10℃ ~ +50℃
Storage Temperature-10℃ ~ +60℃-10℃ ~ +60℃-10℃ ~ +60℃
Noise<50dB<50dB<50dB
Dimension330*228*90mm335*470*125mm335*470*125mm

Rated Products

Why Choose Keqi Energy

B2B Solar Solutions OEM/ODM

High Standards & Rigorous QC

Direct Factory Advantage

FAQs

OEM/ODM Process

Requirements Discussion → Technical Evaluation → Sample Development → Mass Production → Quality Inspection → Delivery  and Support

*After the order is confirmed, production will be completed within 3 to 14 working days. We strictly adhere to production standards and ensure high-quality, on-time delivery.

At KEQI Energy, we recognize that every customer is unique, and we are dedicated to meeting the specific needs of our clients in the solar energy industry. We offer customized production services that enable us to create products tailored to your precise requirements, including solar lights, solar inverters, and energy storage solutions. Our team of experienced professionals collaborates closely with clients to ensure we fully understand their preferences and industry demands. Utilizing the latest technology and techniques, we deliver high-quality, customized products that stand out in the market. Whether you need a unique lighting solution for your commercial space or a specialized solar product not readily available, we are here to assist you. Contact us today to learn more about our customized production services and how we can help you achieve your solar energy goals!

At KEQI Energy, we believe that product quality is of utmost importance. We have implemented a rigorous quality control system that covers every detail of the production and shipping process. From the selection of raw materials to the final inspection of finished products, we adhere to strict production and shipping standards to ensure that our products meet the highest quality requirements. Our production facilities are equipped with the latest technology and staffed by experienced professionals who are dedicated to producing high-quality products. We also conduct regular training and quality control checks to ensure that our production and shipping processes remain at the highest level. Our commitment to quality has earned us the trust and loyalty of our customers, and we will continue to uphold our high standards in all aspects of our business!

At KEQI Energy, we take product quality and customer satisfaction very seriously. We have a strict quality control system in place to ensure that our products meet the highest standards of quality and safety. All of our products come with a corresponding warranty period, and we encourage our customers to communicate with us prior to purchasing to determine the specific warranty period for their desired product. Our commitment to quality extends beyond the sale of our products, and we provide excellent after-sales service to ensure that our customers are satisfied with their purchase. We believe that our dedication to product quality and customer satisfaction is what sets us apart in the industry, and we will continue to strive for excellence in all aspects of our business.

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