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China KaDDer All-in-One PV+ESS System - Quality Assured, Smart Energy Management by Leading Suppliers & Factory

Discover our top-tier energy solutions from China, where quality assurance, safety, and reliability are our priorities. As leading suppliers in the industry, we offer flexible deployment options for our products, allowing for parallel expansion and independent operation whether on or off the grid, Our smart energy management system ensures refined management of all batteries, optimizing their performance and lifespan. Equipped with both active and passive dual fire warning systems, our packages and full container setups provide comprehensive fire protection, Experience fully automated intelligent operation with our integrated solutions that seamlessly manage PV, ESS, generator, and mains power strategies. Partner with our factory to elevate your energy management capabilities today

Product Details

Product Overview

The PV&ESS integrated system is a highly innovative integrated photovoltaic energy storage device that has been carefully designed to fully meet the evolving needs of energy storage systems (ESS) and photovoltaic energy storage distributed systems. This cutting-edge device has many outstanding features. Its energy-saving design significantly reduces operating power consumption, contributing to long-term cost savings and environmental sustainability.

High Performance

High energy density enables it to store a large amount of energy in a relatively compact space, optimizing the use of available space.

Grid Flexibility

The system can quickly connect and disconnect from the grid, ensuring seamless integration with PV systems for both grid-connected and off-grid applications.

Environmental Adaptability

Strong environmental adaptability and a small footprint make it an ideal choice for projects with limited installation space.

Integrated Components

The PV&ESS All-in-one system consists of several key components to ensure maximum safety and efficiency:

Sturdy Protective Cabinet
Air-cooled Air Conditioner
High-efficiency Inverter
Advanced BMS
LFP Battery Pack
Fire Protection System
Electrical Safety System

Product Parameters

System specifications	20kW/51.2kWh	30kW/61.44kWh	50kW/107kWh
System battery DC voltage	512V	614V	716V
Battery voltage range	432-576VDC	490-690VDC	582-806VDC
Cell type	LFP 3.2V/100Ah	LFP 3.2V/100Ah	LFP 3.2V/150Ah
Single PACK configuration	102.4V100Ah	102.4V100Ah	102.4V150Ah
Number of system PACKs	5PCS	6PCS	7PCS
Total system capacity	51.2kWh	61.44kWh	107kWh
Rated power of inverter	20kW	30kW	50kW
MAX. PV input power	26kW	39kW	65kW
Thermal management	Intelligent air cooling
Battery life	90%DOD >6000 Times (0.5C@25℃) Energy retention ≥80%
Fire Protection	PACK aerosol / Cabinet aerosol
Protection grade	IP54
Product size (mm)	110012601525	110012601725	125514451960

Frequently Asked Questions

What is the main advantage of the PV&ESS All-in-one system?

The primary advantage is its highly integrated design, which combines power conversion, battery storage, and management systems into a single compact unit, significantly reducing installation space and complexity while optimizing energy utilization.

Can this system operate during a power outage?

Yes, the system supports both on-grid and off-grid operating modes. It can quickly disconnect from the grid and provide stable power from the stored energy in the battery packs during a utility failure.

How long is the expected lifespan of the battery?

The system utilizes high-quality LFP cells with a discharge depth of 90% (DOD), providing over 6,000 cycles at 25℃, ensuring long-term reliability and an energy retention rate of over 80%.

How does the system handle extreme temperatures?

The system is equipped with an intelligent air-cooled air conditioner for thermal management, allowing it to operate efficiently within a temperature range of 0℃ to +50℃.

What safety certifications and protections are included?

Safety is a priority; the system includes an IP54 protection grade, a comprehensive aerosol fire protection plan for both individual battery packs and the overall cabinet, and an electrical safety auxiliary system.

What communication protocols are supported for monitoring?

The system supports multiple communication methods including CAN, RS485, and WiFi, with 4G connectivity available as an optional feature for remote monitoring and management.