CKMINE SOL IA-S4 Series Off Grid Solar Inverter 3.5kW 3.5kVA 48V 51.2V 220V Support Lithium/Lead-acid Battery

Introducing, the SOL IA-S4 Series Off Grid Solar Inverter from CKMINE, a reliable and efficient solution for your off-grid power needs. It supports power ranges of 3.5kW/5kW and is compatible with lithium-ion batteries/lead-acid batteries, breaking the limitation of battery types and making the storage options more flexible. 

Output power factor 1.0, energy conversion efficiency at full capacity, equipped with an integrated MPPT charging controller (with photovoltaic input voltage up to 500VDC), maximizing the utilization rate of photovoltaic power. 

The internal design adopts high-density integration, resulting in better power performance in the same volume. It is specifically designed to meet the demanding conditions of off-grid living and can provide reliable service for many years. 

It also features intelligent WiFi monitoring (optional), BMS communication to ensure battery safety, and a user-friendly interface to make installation and maintenance more convenient. 

From off-grid cabins to commercial energy storage, the SOL IA S4 series, with 20 years of manufacturing experience and a fully certified system, helps you build an efficient, reliable and intelligent off-grid power ecosystem, ensuring that every kilowatt-hour of electricity is stable and controllable.

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.