Can the TSUN AC Coupled Unit improve energy self-sufficiency?

Yes, it stores excess solar energy during the day and provides power at night or during outages, reducing reliance on the grid and increasing energy independence.

How easy is it to add the TSUN AC Coupled Unit to my existing solar system?

The AC Coupled Unit is designed for seamless retrofitting into existing solar setups, allowing you to upgrade without complex wiring or equipment changes.

How does the monitoring system work for the TSUN AC Coupled Unit?

It features built-in WiFi and Bluetooth, enabling real-time monitoring through a mobile app or web interface, allowing you to track battery health and energy usage remotely.

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1.0 HOME

2.0 PRODUCT

Microinverter

GEN3 Microinverter: GEN3 Microinverter 1-in-1; GEN3 Microinverter 2-in-1; GEN3 Microinverter 4-in-1; GEN3 Microinverter 6-in-1; GEN3 Microinverter 6-in-1 (Three-phase)

TITAN Microinverter: TITAN Microinverter 3680W-6000W
2400W-3300W | Three-phase; TITAN Microinverter 2250W-3000W
2400W-3300W | Three-phase

Easy Solar Kit

Hang on Balcony (DIY): ESK Balcony Air Vertical
MP3000 / MP2250 / MS3000; ESK Balcony Air Angled
MP3000 / MP2250 / MS3000; ESK Balcony Angled
MP3000 / MP2250 / MS3000; ESK Balcony Vertical
MP3000 / MP2250 / MS3000

On the Ground (Ready to Use): ESK Pop-Up
ESK400/800-BV

All Scenarios (DIY): ESK Universal
ESK400/800-P; ESK Transformer
ESK400/800-P

Micro Storage System

Micro Storage System: SolarCan
ESK400/800-P; Hybrid Microinverter
ESK400/800-P; SolarTrunk
ESK400/800-P; PowerTrunk
ESK400/800-P

Residential Storage System

Residential Storage System: AC Coupled Storage Unit
ESK400/800-P

Monitoring & Accessory

Monitoring & Accessory: Power meter
ESK400/800-P; Data Transfer Unit (DTU)
ESK400/800-P; Smart Meter
ESK400/800-P

GEN3 Microinverter: GEN3 Microinverter 1-in-1

300W-500W; GEN3 Microinverter 2-in-1

600W-1000W; GEN3 Microinverter 4-in-1

1600W-2250W; GEN3 Microinverter 6-in-1

2400W-3300W; GEN3 Microinverter 6-in-1 (Three-phase)

2400W-3300W | Three-phase

TITAN Microinverter: TITAN Microinverter 3680W-6000W

MP6000/5000/4600/4000/3750/3680; TITAN Microinverter 2250W-3000W

MP3000 / MP2250 / MS3000

Hang on Balcony (DIY): ESK Balcony Air Vertical

ESK400/800-Air(V); ESK Balcony Air Angled

ESK400/800-Air(A); ESK Balcony Vertical

ESK400/800-BV; ESK Balcony Angled

ESK400/800-BA

On the Ground (Ready to Use): ESK Pop-Up

ESK400/800-P

All Scenarios (DIY): ESK Universal

ESK400/800-U; ESK Transformer

ESK400/800-T

Micro Storage System: SolarCan

DCU2000lite | 2KWh - 10KWh; Hybrid Microinverter

MH2000/MH1000; SolarTrunk

MSU2000/2000DE | 2KWh-10KWh; PowerTrunk

MAU2000/2000DE | 2KWh - 10KWh

Residential Storage System: AC Coupled Storage Unit

ACU3.0/3.6/4.0/4.6/5.0/6.0K | 5KWh-20KWh

Monitoring & Accessory: Smart Meter

Built-in Wi-Fi; Data Transfer Unit (DTU)

Built-in Wi-Fi & RS485 & RJ45; Power meter

Built-in RS485/CT

3.0 SOLUTION

Plug & Play Solar System

On Grid System--Easy Solar Kit Storage System -- DCU & ESK Storage System
Micro AC Coupled Unit & Easy Solar Kit Storage System — Micro Hybrid Storage Unit & Easy Solar Kit Storage System -- Hybrid Microinverter & ESK

Residential Solar System

On Grid System -- Microinverter Storage System — Microinverter & AC Coupled Unit

C & I Solar System

On Grid System — Microinverter built-in RS485 & DTU

On Grid System
Easy Solar Kit (with microinverter)

Easy Solar Kit, which integrates PV module, microinverter, DIY bracket and cables, is designed for a variety of applications, can be installed on balcony, garden, flat roof and even wall.

LEARN DETAILS

Storage System
DC Coupled Unit & Easy Solar Kit (with microinverter)

The DCU is a key component of the plug & play storage system or micro storage system, it integrates both DC to DC inverter(PV charge and battery discharge function) and battery pack. DC Coupled Unit, which is connected between solar modules and balcony microinverter, can store excess electrical energy in the battery and discharge it when needed. This solution, Solar Module + DCU+ Balcony Microinverter, is typically used as a micro energy storage solution for small household, conventional balconies, courtyards, family carports, and other plug & play scenarios.

LEARN DETAILS

Storage System <br> Micro AC Coupled Unit & Easy Solar Kit

Storage System
Micro Hybrid Storage Unit & Easy Solar Kit (without microinverter)

The MAU is a key component of the Plug&Play Energy Storage System or Micro Energy Storage System, it integrates both energy storage inverter and battery pack. The MAU stores excess electricity generated by the PV system in its battery, based on household consumption needs (Zero Export Mode), and converts it into AC power when required. The MAU can also charge during low-tariff hours and discharge during peak tariff periods, according to the time and power settings configured by the user (Time-Sharing Control Mode). It also features an off-grid port, allowing it to power essential household appliances even during utility outages.

LEARN DETAILS

Storage System — Micro Hybrid Storage Unit & Easy Solar Kit

Storage System
Micro AC Coupled Unit & Easy Solar Kit (with microinverter)

The MSU is a key component of the plug & play hybrid storage system or micro hybrid storage system, it integrates both hybrid inverter(on-grid, off-grid and energy storage function) and battery pack. MSU can store excess electrical energy in the battery and release it when needed. This solution, Solar Module + MSU, is typically used as a hybrid storage system for small household, conventional balconies, courtyards, family carports, and other micro systems.

LEARN DETAILS

Storage System -- Hybrid Microinverter & ESK

Storage System
Hybrid Microinverter & Easy Solar Kit (without microinverter)

The MH is a key component of the plug & play hybrid storage system or micro hybrid storage system, it has on-grid, off-grid and energy storage function. Hybrid Microinverter, which is connected between solar modules and battery, can charge excess electrical energy into the battery and release it when needed. This solution, Solar Module + Hybrid Microinverter+ Battery, is typically used as a hybrid storage solution for small household, conventional balconies, courtyards, family carports, and other micro systems.

LEARN DETAILS

On Grid System
Microinverter

The microinverter convert DC electricity to AC electricity. DTU connects up to 64 microinverters with RS485 and uploads it to the server. At the same time, the DTU can connect to the electricity meter, obtain grid side information, and automatically adjust the output power of the system. In addition, DTU can receive external scheduling instructions and control the output power of the system.

LEARN DETAILS

Storage System — Microinverter & AC Coupled Unit

Storage System
Microinverter & All-in-one AC Coupled Unit

The ACU is a key component of Energy Storage System, it integrates both energy storage inverter and battery pack. AC Coupled Unit stores excess electricity generated by the PV system in its battery, based on household consumption needs (Zero Export Mode), and converts it into AC power when required. AC Coupled Unit can also charge during low-tariff hours and discharge during peak tariff periods, according to the time and power settings configured by the user (Time-Sharing Control Mode). It also features an off-grid port, allowing it to power essential household appliances even during utility outages.

LEARN DETAILS

On Grid System
Microinverter Built-In RS485 & DTU

Microinverter built-in RS485 & Data Transfer Unit (DTU) is a solar system solution which designed for commercial and industrial rooftops. The microinverter convert DC electricity to AC electricity. DTU connects up to 64 microinverters with RS485 and uploads it to the server. At the same time, the DTU can connect to the electricity meter, obtain grid side information, and automatically adjust the output power of the system. In addition, DTU can receive external scheduling instructions and control the output power of the system.

LEARN DETAILS

4.0 SERVICE & SUPPORT

Downloads

Video Center

Report Fault for Repair

FAQS

Service Network

AC Coupled Storage Unit

ACU3.0/3.6/4.0/4.6/5.0/6.0K | 5KWh-20KWh

The ACU is a key component of the Energy Storage System, integrating both an energy storage inverter and a battery pack. The AC Coupled Unit stores electricity in its battery and converts it into AC power according to different work modes.

DATASHEET

Products Residential Storage System AC Coupled Storage Unit

Specs

Item	TSOL-ACU3.0K	TSOL-ACU3.6K	TSOL-ACU4.0K	TSOL-ACU4.6K	TSOL-ACU5.0K	TSOL-ACU6.0K
Battery Type	LiFePO4
Battery Capacity per Kit [kWh]	5.12
Battery Voltage per Kit [V]	51.2
Max. Charging Power [W]	3000	3600	4000	4600	5000	6000
Max. Charging/ Discharging Current [A]	60/60	72/72	80/80	92/92	100/100	120/120
Rated Output Power[W]	3000	3600	4400	4600	5500	6000
Operating Temperature Range	-30 ~ +60 °C (Derating of over 45°C Ambient Temperature)
Dimensions [W×H×D mm]	650 x 428 x 207 (Inverter) 650 x 355 x 207 (Battery)
Weight [kg]	20 (Inverter)/50 (Battery)

Frequently Asked Questions

Can the TSUN AC Coupled Unit improve energy self-sufficiency?

A :

Yes, it stores excess solar energy during the day and provides power at night or during outages, reducing reliance on the grid and increasing energy independence.
How easy is it to add the TSUN AC Coupled Unit to my existing solar system?

A :

The AC Coupled Unit is designed for seamless retrofitting into existing solar setups, allowing you to upgrade without complex wiring or equipment changes.
How does the monitoring system work for the TSUN AC Coupled Unit?

A :

It features built-in WiFi and Bluetooth, enabling real-time monitoring through a mobile app or web interface, allowing you to track battery health and energy usage remotely.