DC Coupled Unit

DCU1000 | 1KWh-5KWh

DC Coupled Unit (DCU) is one of the plug and play storage system which designed for end-users.
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.

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Products Micro Energy Storage System DC Coupled Unit DC Coupled Unit

DCU1000

TSUN DCU1000 is an intelligent energy storage device designed to improve the overall performance of home photovoltaic systems through an efficient energy management controller. The device has intelligent control functions and can provide reliable emergency power supply by cooperating with balcony energy storage devices such as TSUN B1000, and meet users' diverse power needs by expanding energy storage capacity. TSUN DCU1000 is a highly intelligent energy storage solution that allows users to flexibly adjust power distribution to meet the needs of various daily and emergency scenarios. Its flexibility in combination with B1000 means that users can increase or decrease energy storage capacity according to their own power needs, and achieve more efficient power reserves in limited spaces such as balconies. In the future, DCU1000 will also support real-time electricity price control, and users can dynamically adjust energy storage and power output according to changes in electricity prices, further improving the economic benefits of electricity use.

DC Coupled Unit

It fits right between the PV panel and microinverter and offers storage options for existing balcony PV systems.

DC-Coupled-Unit-indoor-outdoor

DCU1000

DC Coupled Unit

1.024 kWh

P1000

Portable Station Accessory

Input 1200W,

DC Output 800W

Input 600W,

AC Output 1000W

B1000

Battery Pack

1.024 kWh

B1000

Battery Pack

1.024 kWh

Technical Data

Item	DCU1000
Battery Type	LiFePO4
Maximum System Capacity (Wh)	5120
Input Current Max (A)	15
Maximum Input Power (W)	1200
Life Cycle	6000 Cycles, Remaining Capacity ≥ 70%
Input Voltage (V)	18-55
Maximum Output Power (W)	800 (1000 Optional)
Output Voltage Range (V)	20-50
Protection Level	IP65
Operating Temperature (℃)	-20 ~ 60(Smart Battery Heating Module)
Capacity (Wh)	1024
Size (LWH mm)	330210195
Weight (kg)	11

6 Unique Designs


Modular Stackable Design: Flexible modular design allows the system to expand according to household needs, providing a convenient and quick solution.	Versatile Application Combinations: Suitable for various scenarios, including home, outdoor, and emergencies, meeting diverse electricity demands.

Smart Control: Integrates 2.4G WiFi wireless communication technology for intelligent control through a mobile app, enabling remote monitoring and operation. Module stacking allows for automatic networking, ensuring simplicity and ease of use.	Wide Temperature Range Adaptability: Built-in battery heating module enables stable operation in extreme temperatures ranging from -20°C to 60°C.

Long-life Battery: Utilizes safety power batteries, offering 6000 times cycle life and high safety performance, ensuring stable system operation and user safety.	IP65 Certification It possesses an IP65 certification, allowing it to withstand diverse weather conditions and special circumstances.

Indoors——Balcony Solar Storage Solution

The DCU1000 is a crucial component of the balcony.

solar storage system: The Smart Lithium Battery

Pack, when combined with solar photovoltaic panels

and microinverters form the balcony solar storage

system. One DCU1000 can connect four B1000.

Designed with modularity in mind and can be

paralleled with up to 5 units at most, helping

households make the most of limited space, achieve

energy self-sufficiency, and reduce electricity costs

by 1/3.

System Diagram——DCU 1000+B1000

Sufficient photovoltaic power, charging

Insufficient photovoltaic power, discharging

Outdoors——Portable Power Station

B1000 Battery flexibly combines with the P1000 inverter module to form a portable power station, making it the ideal

companion for camping and other outdoor activities. One P1000 can connect to one B1000.

System Diagram——P1000+B1000

Sufficient photovoltaic power, charging

Insufficient photovoltaic power, discharge

FAQ

Q: How does the DCU1000 improve energy efficiency in my solar system?

A: The DCU1000 reduces energy losses by directly connecting solar panels to the battery via DC, avoiding the inefficiencies of AC conversion. This maximizes solar power usage and boosts overall system efficiency.

Q: Is the DCU1000 suitable for residential and small commercial solar systems?

A: Yes, the DCU1000 supports up to 1000W, making it ideal for both homes and small businesses. It ensures efficient energy management, even under high demand, for stable and reliable solar power storage.

Q: What should I consider before installing the DCU1000?

A: Ensure your system’s voltage and current match the DCU1000’s specifications for smooth integration.

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