5kVA 21.7A Single-Phase Residential LiFePO4 Energy Storage System

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5kVA 21.7A Single-Phase Residential LiFePO4 Energy Storage System

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Product Description

Overview & Basic Info

Model NO.

VTE5K-D1-A

Warranty

18 Months

Rated Output Power

5kVA

Max. Output Current

21.7A

MPPT Efficiency

99.9%

Max. Efficiency

97.6%

MPPT Voltage Range

125~500V

AC Output Topology

L+N+PE

Origin

China

Product Features

🛡️Safe & Reliable

• Passed IEC/EN62109-1/-2, IEC/EN62477-1, South Africa NRS097-2-1:2017 certifications.
• LiFePO4 cell ensures longer service life and higher safety quality.
• Seamless switching for off-grid and emergency power supply.

💰Economical & Practical

• Automatic management of battery charge/discharge and full power discharge support.
• Integrated GPRS/WIFI/RS485/CAN communication with LCD design.
• Intelligent energy dispatch to reduce electricity costs.

⚙️Friendly & Flexible

• Integrated hybrid inverter and LiFePO4 battery cabinet.
• Modular design with stacked installation for a clean appearance.

Technical Specifications

Input (PV) Parameters	VTE3K-D1-A	VTE3.6K-D1-A	VTE4K-D1-A	VTE4.6K-D1-A	VTE5K-D1-A	VTE6K-D1-A
Max. Power (KW)	4.6KW	4.6KW	6KW	6KW	7KW	7KW
Max. DC Voltage	550V
MPPT Voltage Range	125~550V
Max. Input Current (Single MPPT)	14A
AC Output
Rated Output Power (KVA)	3KVA	3.6KVA	4KVA	4.6KVA	5KVA	6KVA
Max. Output Current (A)	13A	16A	17.4A	20A	21.7A	26A
THDi	<3%
Battery Technical Parameters
Battery Capacity (KWH)	2.4~14.4KWH
Max. Parallel Batteries	6
Design Life Time	>10 Years (25ºC)
Max. Charge/Discharge Current	95/62.2A	95/75A	95/83.3A	95/95.8A	95/104.2A	95/110A
General Data
Protection Class	IP20
Dimensions (W/D/H) MM	580/350/1800 MM
Weight (KG)	92 KG

Projects & Application

Frequently Asked Questions

What is the main battery type used in this system?

The system utilizes high-quality LiFePO4 (Lithium Iron Phosphate) cells, which offer superior safety, a longer service life, and better performance compared to standard batteries.

Is the system suitable for off-grid applications?

Yes, the system supports seamless switching to emergency power supply and is fully compatible with off-grid operations to ensure continuous energy availability.

What monitoring options are available?

The system supports multiple communication interfaces, including GPRS, WIFI, RS485, and CAN, allowing you to monitor and manage energy dispatch via the integrated LCD or remote apps.

How long is the warranty for the VTE5K-D1-A model?

The product comes with a standard 18-month warranty, providing reliable support for your residential energy investment.

Can I expand the battery capacity later?

Yes, the system features a modular, stacked installation design. It supports up to 6 batteries in parallel, with capacity ranging from 2.4KWH to 14.4KWH.

What international safety standards does it meet?

The system has passed rigorous testing for IEC/EN62109-1/-2, IEC/EN62477-1, and EMC standards like IEC/EN 61000-6-1/3, as well as specific grid codes like South Africa's NRS097.