Off grid solar inverter 3KW BK-SI-3KW for home energy storage

(1 customer review)
  • Saver mode function.
  • All kinds of protections and intelligent self-awaking mechanism.
  • Automatic detection and adaption of the weak grid.
  • Intelligent output function, priority guarantee the power supply for the important loads.
  • WIFI intelligent monitoring system;50℃ super high ambient temperature no need reduce load
  • MPPT maximum tracking solar power.
3000W 5000W
Size (mm) 620*350*165
Weight(KG) 30±1 35.5±1
Grid (Mains) parameters
Input voltage waveform Pure Sine Wave(mains or generator)
Input voltage 220Vac
Working voltage range (165--265) Vac
Frequency range (45-65)Hz
Bypass output voltage waveform Same as Input Waveform
Overload protection Breaker On
Short circuit protection Breaker On
Power efficiency >98%
Switching time (AC to DC) 5ms(except the generator mode)
Switching time(DC to AC) 5ms
Bypass max input current 17A/28A
MAX charge BAT current 20A/25A
Inverter parameters
Output voltage waveform Pure sine wave
Rated output capacity(VA) 3000 5000
Rated output power(W) 3000 5000
PF 0.9~1.0
Rated output voltage(V) 220Vac
Rated output frequency (Hz) 50Hz ± 0.1Hz
Auto track main frequency(Hz) Yes (from the first start) 50Hz @45-55Hz 60Hz @55-65Hz
Output voltage range ±2% rms
Efficient >=85% ,92%max(40% line load)
Overload protection (100%
Peak capacity 6000VA 10000VA
Rated DC input voltage 48Vdc/51.2Vdc
Low DC Cut-off Voltage (40--45)Vdc
High DC Cut-off Voltage (63.0±1)Vdc
No Load Power consumption <50W
Standby Power Consumption <10W
PV parameters
PV input OC voltage range (85--150)Vdc
MAX input current 30A
MPPT output current(MAX) 50A 100A
charging bat current (20--50)A (20--95)A
Max efficiency 96%
Temperature coefficient -18mV/℃/12V
Auto temperature compensation Output voltage-(bat temperature-25℃)*0.072
Wind parameters
Input voltage xx
Rating input power xx
MAX input current xx
Lithium battery
Module BFP48100-SI
Size(mm) 620*350*165
Height(KG) 46.5±1
Energy 51.2Vdc 100A(5.12kwh)
Humidity <90%


Q1. Can I get a XXX sample order for test?
A.Yes, we welcome sample order to test and check before bulk order.

Q2. What is the lead time for different products?
A.Standard in stock products 5-7 days, bulk order time needs 3-5 weeks, customized order needs 35 days.

Q3. Do you have any MOQ limit?
A.Yes, we have MOQ for standard production. 1 pc for sample to test is support.

Q4. How do you ship the sample or the bulk order?
A.We usually ship via DHL, UPS, FedEx or Express. It usually takes within a week to arrive. Bulk order is usually shipped by sea.

Q5. How to proceed with the order?
1st Understand specific product requirements and application scenarios
2nd Propose solutions and provide quotations
3rd Finalize the plan, sample order, deposit
4th Order production, delivery of the balance, arrange delivery

Q6. Is it OK to do OEM/ODM for my own logo?
A. Yes. Please share to us with your logo after the order confirmed.

Q7. How about the warranty condition of inverter/UPS?
A. All of industrial or commercial inverter/UPS with 2 year warranty.

Q8. How about cycles life and warranty of the lithium batteries?
A. All of batteries are 2000 cycles lifespan under 80% DOD or 2 years warranty.

Q9. How to choose a right power system?
A. We will recommend you a suitable one in accordance with your requirements and actual applications. To invest a reliable system will cost you less in the long run and bring you wonderful experience.

Q10. Do you provide mounting structures and cables for installations?
A. Yes, we provide all accessories with product including nuts/bolts for the optional guiding, so you can even do it installations yourself.

About Baykee

Aerospace Baykee (Guangdong) Technology Co., Ltd. Relying on the technical benefits of aerospace and the advantages of highly educated personnel in civil industry, focusing on the dual-use field of power technology,

specializing in R & D, production and sales of industrial power supplies, customized power supplies, etc., has formed network energy, renewable energy, emergency power supply system, industrial special power supply, power quality management five business segments. The company has advanced technology of UPS/EPS emergency power supply, modular data center, solar PV inverter, charging pile, energy storage equipment, intelligent power distribution and other homologous products.

At present, the company focuses on emerging industries such as smart city & big data, smart energy, smart transportation, pv energy storage system, and has formed a comprehensive solution such as IDC data center, communication power system, optical storage and charging integrated smart energy system, and intelligent power supply system for rail transit

Baykee Mission & Attitude

Relying on the technical advantages of aerospace and the advantages of the military and civil industry compound highly educated talents, focusing on the “high, fine and advanced” field, to become a leading power quality service provider.

Cooperative, trustworthy and professional:
Aerospace Baykee adheres to the multi-dimensional cooperation strategy, provides customers with personalized and all-round pre-sales technical guidance and the most reliable after-sales guarantee, and provides power for energy development with solid professional background.

Baykee Factory

Baykee Factory

1. Independent factory
Founded in 2007, the company adheres to the strategy of innovation-driven development, adheres to the concept of “high-end service, excellence”, and adheres to the road of independent brand development. In Foshan has headquarters R & D production base 20000 square meters.
2. More than ten mature production lines
It has more than 350 professional manufacturing plants and more than ten professional production lines.
3. Strong independent research and development team, software and hardware independent research and development
The company has set up a provincial enterprise technology center and a provincial engineering center, and built a CNAS laboratory. Baykee has more than 80 scientific and technological personnel. In the power related fields to create outstanding performance, has launched UPS uninterrupted power, photovoltaic solar inverter, industrial energy storage system, home energy storage system, outdoor energy storage system and other more than 10 high-end power products with industry leading advantages.
4. Timely delivery
The company delivers 130,000 sets of products per month

Quality Assurance

The company has passed ISO9001 quality management system certification, CE certification, IEC certification, MSDS, UN38.3 energy conservation certification, TLC certification, undertook the Guangzhou Tower, Guangdong-Hong Kong-Macao Bridge, Olympic venues, Pakistan Orange Line subway, Nigeria National Railway, Costa Rica National Stadium (ESTADIO NACIONAL DE) COSTA RICA), Iraq Hospital, Hong Kong Queen Mary Hospital, etc.

1 review for Off grid solar inverter 3KW BK-SI-3KW for home energy storage

  1. Hammer

    The BK-SI-3KW off-grid solar inverter is a reliable choice for home energy storage. Its intelligent features and robust protections ensure uninterrupted power supply. Highly recommended.

Add a review

Your email address will not be published. Required fields are marked *

Contact Us Sidebar




Shopping Cart
Scroll to Top

Contact Us

Contact Us