For users who are new to off-grid power supply, the complexity of the operation and the technical barriers are usually the primary concerns. However, the Kaimin S4 inverter adopts a user-friendly design, effectively lowering the entry threshold for off-grid power supply.
This equipment features aone-click start and a visual operation interface, allowing system startup and mode switching to be completed without the need for professional knowledge. It is also equipped with a WiFi remote monitoring function, enabling users to view the power generation, power consumption and battery status through a mobile terminal, achieving remote management of the system and eliminating the need for frequent on-site operations.
In terms of performance optimization, the MPPT controller of the Kaimin S4 can automatically complete the maximum power point tracking, eliminating the need for users to manually adjust parameters. At the same time, it supports flexible connection of lithium-ion and lead-acid batteries, allowing users to make independent choices based on actual circumstances without worrying about equipment compatibility issues.
With a rated output power of 3.5kW and a standard 220V mains power supply, this device can directly drive common household loads, and the trial-and-error cost is relatively low.
With its simplified operation design and intelligent system management, the Kaimin S4 inverter enables non-professional users to easily deploy off-grid power supply systems and experience self-sufficient energy use.

FAQ
Q1: Can I get some samples for test
A: Yes, sample order is available for quality check and market test
Q2: Do you accept OEM/ODM
A:Yes, we accept OEM/ODM with your authorization
Q3: How is delivery time
A: Generally it takes 5-10 days for regular type, for big quantity or OEM/ODM orders, please negotiate with sales
Q4: What is the standard of package
A: We have our own design carton with five layers corrugated material; if you have any other special requirement of package, we also support customized service
Q5: What’s your payment terms
A: We accept T/T, L/C, WEST UNION, ALI TRADE ASSURANCE, cash
Q6: What’s your warranty time
A: We offer 12 months warranty service, life time technique support
Q7: How does your factory do the quality control
A: Quality is our culture. We have strict quality control department to supervise each link from assembling to shipping. Products have to be subjected to at least seven strict quality inspection processes before being shipped out
Q8: How can I trust you
A: CKMINE established in 2005, has many years’ experience in producing inverters, we have passed ISO9001, ISO45001, ISO14001 management system and got CE, CCC, ROHS certificates. Assessment reports can be sent anytime if you require.