Introducing, the CKMINE Pure Sine Wave Output Off Grid Solar Inverter, a powerful and reliable solution for your off-grid energy needs. It is a powerful and reliable solution specifically designed to meet extreme scenarios and off-grid energy demands.
This 3.5KW/3.5KVA inverter can provide you with pure and efficient electricity, enabling you to operate various important appliances and electronic devices stably even in situations where the power grid is down or there is no power coverage.
This inverter has an input voltage of 48 V and an output voltage range of 51.2 V to 220 V, which is ideal for off-grid setups such as remote construction sites, emergency rescue operations, or as backup power sources for households and businesses.
What is particularly remarkable is that it is equipped with the ATS (Automatic Transfer Switch) function, which can automatically switch to the battery power supply instantaneously in the event of a power grid outage, ensuring a smooth power transition and guaranteeing that household life, enterprise production, or medical equipment operation will not be affected in any way.
The CKMINE inverter is equipped with high-quality components and a robust structural design, featuring excellent environmental adaptability and the ability to operate stably under complex conditions.
Whether you are dealing with the risk of sudden power outages or need to establish a stable power supply in an area without an electricity grid, the CKMINE inverter can handle this task perfectly.

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.