
Introduction
The 5kw AC Coupled Solar Inverter is a versatile component that converts solar energy into usable AC power for both residential and commercial applications. It's a reliable solution for emergency power outages, and it's compatible with different solar setups such as off-grid systems, grid-connected systems, and hybrid systems. Whether you're looking to build a standalone system or integrate it with an existing solar power system, this inverter can meet your energy needs. With the perfect balance of efficiency and durability, this product is an excellent investment for any solar energy enthusiast.

The 5kw AC Coupled Solar Inverter features advanced MPPT technology that optimizes solar output and enhances system efficiency. By adjusting the input voltage to match the maximum power output of the solar panels, this technology enables the inverter to make the most of available solar energy. Moreover, from anywhere in the world, you can remotely monitor the inverter's real-time working status on your smartphone or computer thanks to smart control capabilities.
Our product comes with an advanced intelligent monitoring system that enables real-time status display and remote troubleshooting. It boasts reliable self-diagnostic capabilities that can quickly identify and fix any potential issues, reducing maintenance costs and downtime. With our innovative technology, you can rest assured that your operations are running smoothly and efficiently.
The efficiency of this product is unparalleled thanks to its low operating voltage and innovative ECO mode. In addition to boosting power generation, this mode also helps to conserve energy. With a built-in battery system, any excess solar energy generated during the day can be stored and used as a reliable energy source throughout the night. This means you can enjoy a continuous and uninterrupted energy supply around the clock. Choose this product for an unparalleled level of efficiency and reliability in your energy production.
The 5kw AC Coupled Solar Inverter is made of high-quality materials that guarantee superior protection and optimal performance. Its IP65 protection level effectively prevents water and dust from affecting its function, making it perfect for use in humid environments. Additionally, its aluminum shell ensures excellent heat dissipation, preventing deformation and lengthening its lifespan. Rest assured that this solar inverter can withstand the toughest conditions while remaining reliable and efficient.
Our device is designed with low operating noise, which is less than 30dB, and it employs a natural heat dissipation system to create a peaceful and pleasant atmosphere. With our product, you can enjoy a noise-free experience while using it.
Hybrid inverter system connection diagram
The cable meant for BMS COM is solely for use with lithium batteries. It is important to note that this cable should not be utilized with any other type of battery.
Application

Grid-Tied Solar System

Off-Grid Solar System

Hybrid Solar System
Product Specification
Model | OST 4K6AC | OST 5KAC | OST 6KAC |
Max. Efficiency | 94% | ||
Compatible battery type | Lithium-ion / Lead-acid | ||
Nominal battery voltage | 48V | ||
Battery voltage range | 40-60V | ||
Lithium battery charge curve | Self-adaption to BMS | ||
Nominal AC output power | 4600W | 5000W | 6000W |
Max. AC output apparent power | 4600VA | 5500VA | 6000VA |
Max. AC output current | 22A | 25A | 27.2A |
AC voltage range | 150V-300V (Adjustable) | ||
Grid connection | Single phase | ||
Nominal output power | 4600W | 5000W | 5000W |
Nominal output current | 20A | 21.7A | 21.7A |
Transfer time | 10ms (typ), 20ms (max) | ||
Max. operation altitude | 4000m | ||
Noise emission | <35dB | ||
Ingress protection degree | IP65 | ||
Relative humidity | 0~100% | ||
Cooling concept | Natural Cooling | ||
Dimensions (W*H*D) | 515mm*485mm*175mm | ||
Weight | 20Kg | ||
Display | LED+APP | ||
Communication interface | RS485/CAN (for BMS), RS485, USB, DRM/RS485 (for Meter), Optional: WiFi/GPRS/LAN | ||
Grid | IEC 61000-1/2/3/4, G99, NRS 097, EN 50549-1, IEC 61727/62116, CEI 021 | ||
Safety | IEC 62109-1/2 | ||
Warranty | 5 Years / 10 Years (Optional) | ||


ONESTO is a quality name focusing on customer safety and satisfaction. The company operates according to the ISO9001: 2015 quality management system. All products have passed EN, IEC international certification, and obtained CE, TUV and CEI certification.

Onesto attends top ranking fairs in Europe,Middle East,Asia and South America etc. to present latest developments and hold face-to-face discussions with visitors for deep business cooperation.

FAQ
Q:How long is your warranty?
A:It is 5 years.
Q:Could you print our own logo?
A:Yes, Our company is available for OEM
Q: May I know the MOQ?
A:Normally it needs 16pcs, and for first order, sample to check our products quality is welcomed.
Q:How long is the delivery time?
A:Normally is 4-6 weeks after order confirmed.
Q:May I have your price list?
A:Yes, kindly pls inform us the specification you need. Would be very pleased to prepare our best price accordingly.
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