Sunket EU Germany Stock Stacked Lithium Iron Batteries Pack 20kw LIFEPO4 Battery 20kwh Solar Energy Storage Battery

Product Description

Battery Stack Product View

The LFP 9kWh/HV home battery is modular in 2.88 kWh increments, providing a capacity range of 8.64kWh-28.8kWh per stack. This also allows for easy servicing and future expansion. With continuous output at up to 14.4kW, true full-home backup is here.

Product Introduction
LFP Introduction

The lithium iron phosphate battery (LiFePO4 or LFP) is the safest of the mainstream lithium battery types. A single LFP cell has a nominal voltage of 3.2V. A 57.6V LFP battery consists of 18 cells connected in series. LFP is the chemistry of choice for very demanding applications.

Rugged: It can operate in deficit mode during long periods of time.
High Round Trip Efficiency: Optimal energy conversion.
High Energy Density: More capacity with less weight and volume.
High Charge/Discharge: Fast charges and discharges are possible.
Flexible: Supports versatile charge voltages.
Technical Specifications
Module Type LFP 9kWh LFP 12kWh LFP 15kWh LFP 18kWh LFP 21kWh LFP 24kWh LFP 27kWh LFP 30kWh
Usable Energy 8.64kWh 11.52kWh 14.40kWh 17.28kWh 20.16kWh 23.04kWh 25.92kWh 28.80kWh
Battery Module LFP 3000 / HV : 57.6V 50Ah
Number of Modules 3 4 5 6 7 8 9 10
Nominal Voltage 172.8V 230.4V 288V 345.6V 403.2V 460.6V 518.4V 576V
Operating Range 135-197.1V 180-262.8V 225-328.5V 270-394.2V 315-459.9V 360-525.6V 405-591.3V 450-657V
Dis-/Charge Current 25 / 50A
Weight 102kg 131kg 160kg 189kg 218kg 247kg 276kg 305kg
Dimension (mm) 670*330*697 670*330*855 670*330*1013 670*330*1171 670*330*1329 670*330*1487 670*330*1645 670*330*1803
Safety CE, UN38.3, IEC62619, IEC63056, IEC62477
Compatible Inverters
Compatible Inverters
Professional Packing & Project Case
Packing
Project Case
Recommend Products
Wall Mounted

Wall Mounted Series

Wall Mounted Battery Solution
48v / 51.2v
5kWh (100AH) / 10kWh (200AH)

Rack Mounted

Rack Mounted Series

Rack Mounted Battery Solution
51.2V
5kWh - 80kWh

Stack Mounted

Stack Mounted Series

Stack Mounted High Voltage Battery Solution
Voltage 172.8V - 576V
9kWh - 30kWh

Service Visual
Frequently Asked Questions
What is the advantage of using LiFePO4 (LFP) chemistry?
LFP is the safest lithium chemistry available, offering high thermal stability, a long cycle life, and a high round-trip efficiency. It is also more environmentally friendly compared to other lithium types.
Can I expand the battery capacity in the future?
Yes, the LFP 9kWh/HV system is modular. You can start with a 3-module stack (8.64kWh) and expand up to 10 modules (28.8kWh) as your energy needs grow.
Is this battery system compatible with my existing inverter?
Our HV battery system is compatible with most leading high-voltage hybrid inverters on the market. Please refer to our compatible inverter list or contact technical support for verification.
What safety certifications do these batteries hold?
The products are fully certified with CE, UN38.3, IEC62619, IEC63056, and IEC62477, ensuring they meet international safety and transport standards.
What is the expected lifespan of the modular battery?
LiFePO4 batteries typically offer over 6,000 cycles at 80% Depth of Discharge (DoD), which translates to 10-15 years of daily use depending on operating conditions.
Does the system support full-home backup?
Yes, with a continuous output power of up to 14.4kW, the system is designed to handle high-load appliances and provide comprehensive backup for residential properties.

Related Products