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.

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

Power Never Blinks When the Grid Fails

10ms Auto-Switch – Zero Interruptions

Blackouts don't stand a chance. Our system flips to backup in 10 milliseconds—faster than a human eye blink. Your lights stay on, fridge keeps cold, and devices keep running like nothing happened.

150% Off-Grid Peak Power – Handle the Unexpected

Emergencies demand extra oomph? We've got your back with 150% instantaneous peak power in off-grid mode. Whether it's firing up power tools, kicking on a heater, or running multiple appliances at once, that split-second surge of strength ensures nothing gets left in the dark.

110% Continuous Overload – No Sweat Under Pressure

Heavy loads? No problem. Run at 110% output for up to 60s without skipping a beat. Even when your home's power demand spikes, we keep delivering.

Power Never Blinks When the Grid Fails

10ms Auto-Switch – Zero Interruptions

Blackouts don't stand a chance. Our system flips to backup in 10 milliseconds—faster than a human eye blink. Your lights stay on, fridge keeps cold, and devices keep running like nothing happened.

150% Off-Grid Peak Power – Handle the Unexpected

110% Continuous Overload – No Sweat Under Pressure

Heavy loads? No problem. Run at 110% output for up to 60s without skipping a beat. Even when your home's power demand spikes, we keep delivering.

Build Your Perfect Energy Storage – Your Way

Flexible Battery Setup That Grows With You

No two homes use energy the same way—so why settle for a one-size-fits-all system? Our expandable design lets you start small and scale up anytime: whether you're powering a cozy apartment or a busy large family home, just add more battery capacity to match your needs. It's energy storage that adapts as you do.

5 ~ 20kWh

Build Your Perfect Energy Storage – Your Way

Flexible Battery Setup That Grows With You

5 ~ 20kWh

Cutting Electricity Bills – Automatically

Peak Shaving, Valley Filling – Cash in While You Sleep

It's simple: We store cheap off-peak electricity when rates drop, then use it when prices spike.

No manual control, no guesswork—just automatic savings that pad your wallet month after month.

Safety First, Always

Double the Protection Against Power Surges

Your home's energy system deserves ironclad safety—and we deliver. With built-in surge protection on both AC and DC sides,

we shield your system (and everything connected to it) from sudden voltage spikes. No worries, no risks—just peace of mind, 24/7.

AC Coupled Storage Unit

Works with Your Existing Home PV System

Don't let excess solar go to waste. Seamlessly connects to your current residential PV setup, capturing every watt your panels generate that isn't used locally—and storing it in the ACU. More saved energy, less wasted sunlight.

Specs

Download Files ▼

Datasheet

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 × 428 × 207 (Inverter) 650 × 355 × 207 (Battery)
Weight [kg]	20 (Inverter) / 50 (Battery)

*Only partial parameters are listed. For the complete specification list, please refer to the official datasheet.

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.