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US Standard 7.2KW Split-Phase All-in-One Energy Storage – 16KWH LiFePO₄, 120V/240V Output, 10,000 Cycles

Basic Properties
Place of Origin: China
Brand Name: Kingconn
Certification: IEC62109, UL1741, RoHS, FCC, EN61000
Model Number: US 7.2kw+16kwh
Specifications
Output Voltage: 120V/240V Split-Phase Frequency: 60Hz
Max Input Power: 4,500W × 2 (9KW Total) Battery: LiFePO₄
Capacity: 314Ah / 16KWH Rated Voltage: 51.2V
Cycle Life: 10,000 Cycles (80% DOD) Grid-Tie Mode: Off-Grid
Protection: Over-charge, Over-discharge, Over-current, Short-circuit, Over-temperature
Product Description

US Standard 7.2KW Split-Phase All-in-One Energy Storage – 16KWH LiFePO₄, 120V/240V Output, 10,000 Cycles

Part 1: Product Overview & Key Features

Powerful US Standard All-in-One Energy Storage – 7.2KW Power + 16KWH Capacity

The INV-7200 All-in-One Battery Inverter System is a high-performance, integrated energy storage solution designed specifically for the North American market with split-phase 120V/240V output. Combining a powerful 7.2KW inverter with a 16KWH LiFePO₄ battery bank in a single integrated unit, this system delivers reliable, clean power for household appliances including televisions, air conditioners, lighting, and more.

Engineered with advanced voltage, current, and temperature protection, this all-in-one system offers a plug-and-play experience that eliminates the complexity of separate component integration. Whether you're looking to reduce electricity bills, ensure backup power during outages, or maximize self-consumption of solar energy, this powerful system delivers exceptional performance, safety, and peace of mind – in a space-saving, integrated design.


🔑 Key Features at a Glance



Feature Benefit
All-in-One Integrated Design Inverter + Battery in one compact unit – saves space and simplifies installation
North American Split-Phase 120V/240V output – designed specifically for US/North American grids
High-Capacity LiFePO₄ Battery 16KWH usable energy – powers your home through outages
Powerful 7.2KW Inverter 7.2KVA / 7.2KW pure sine wave output – runs multiple heavy appliances simultaneously
Dual MPPT Solar Charge Controllers 4,500W × 2 PV input – maximizes solar harvest from two independent arrays
Wide PV Voltage Range 90–450VDC MPPT range, up to 500VDC Voc – flexible panel configuration
High Charging Current Up to 150A hybrid charging – fast recharge from solar + grid combined
Split-Phase Output 7.2KW total output – supports both 120V and 240V appliances
Intelligent Battery Activation Supports activation via PV or mains – no complicated startup procedures
RS232/RS485 Communication BMS-ready for seamless lithium battery monitoring
Comprehensive Protection Over-voltage, under-voltage, over-current, short-circuit, over-temperature, and more
Exceptional Cycle Life 6,000 cycles @ ≥90% DOD; 10,000 cycles @ ≥80% DOD – built to last

Part 2: Key Technical Specifications

Category Parameter Specification
Inverter Rated Power 7.2KVA / 7.2KW

Output Voltage 120V/240V Split-Phase

Output Waveform Pure Sine Wave

Frequency 60Hz

Peak Efficiency Up to 96%

Switching Time (EPS) 10–20ms
PV Input Max Input Power 4,500W × 2 (9KW total)

MPPT Voltage Range 90–450VDC

Max Open Circuit Voltage 500VDC
Charging Max PV Charging Current 120A

Max Mains Charging Current 120A

Max Hybrid Charging Current 150A
Battery Chemistry LiFePO₄

Capacity 314Ah / 16KWH

Rated Voltage 51.2V

Cycle Life 10,000 cycles (80% DOD)
General Communication RS232, RS485, Dry Contact

Grid-Tie Mode Not Supported (Off-Grid)

Dimensions (L×W×H) 1000 × 520 × 282 mm

Net / Gross Weight 131.5 / 150.1 kg

Operating Temperature -10°C ~ 55°C

Protection Over-charge, over-discharge, over-current, short-circuit, over-temperature



Part 3: Detail Highlights – Designed for Simplicity

🏗️ All-in-One Integration – No Complex Setup

Unlike traditional systems that require separate inverters, batteries, and wiring boxes, the INV-7200 integrates everything into a single, sleek, compact unit. No need to match components from different brands or worry about compatibility. Simply connect your solar panels and grid input, and you're ready to go. This plug-and-play design significantly reduces installation time and eliminates the hassle of complicated system configuration.

US North American Split-Phase – 120V/240V Output

Specifically designed for the US and North American markets, this system delivers 120V/240V split-phase output at 60Hz – perfectly matching your household electrical standards. Whether you need to power standard 120V outlets or heavy 240V appliances like air conditioners, dryers, or ovens, this system handles it all.



Output Configuration Voltage Application
L1/N 120V Standard outlets, lighting, electronics
L2/N 120V Standard outlets, lighting, electronics
L1/L2 240V Air conditioners, dryers, ovens, well pumps

🔌 Intelligent Lithium Battery Activation

Say goodbye to complex startup procedures. The system supports automatic battery activation via PV input or mains power, allowing for effortless commissioning. Even if the battery is deeply discharged, the system can be revived without special tools or technical expertise – a feature that makes maintenance simple and stress-free.

⚡ Dual MPPT Trackers – Maximize Solar Harvest

With two independent MPPT trackers, each handling up to 4,500W of PV input (9KW total), the system can accommodate solar panels facing different orientations or with varying shading conditions. This ensures you capture every possible watt of solar energy throughout the day.

🛡️ Comprehensive BMS Protection – Safety First

The built-in Battery Management System (BMS) continuously monitors voltage, current, and temperature at the cell level, providing multi-layer protection:



Protection Type Threshold
Over-charge Protection Cell voltage ≥ 3.65V ± 0.05 (0.5s delay)
Over-discharge Protection Cell voltage ≤ 2.7V ± 0.05 (0.5s delay)
Over-current Protection ≥ 1.1% of rated current
Short-circuit Protection Instant cut-off
Over-temperature Protection Active monitoring

The BMS ensures the battery operates within safe parameters at all times, significantly extending service life and preventing hazardous conditions.

🔋 Exceptional Battery Life – 10,000 Cycles

With an impressive cycle life of 10,000 cycles at 80% DOD and 6,000 cycles at 90% DOD, this system is built to last over a decade of daily use. The LiFePO₄ chemistry ensures superior thermal stability and safety, giving you peace of mind for years to come.

🔧 Minimal Maintenance – Built to Last

  • No regular maintenance required – LiFePO₄ chemistry is inherently stable and maintenance-free

  • Durable metal housing – protects internal components from physical damage

  • Rigorous quality testing – each unit undergoes strict safety testing including short-circuit, over-charge, and thermal shock tests

  • Long storage life – simply recharge every 3 months during long-term storage (recommended SOC: 40%~60%)


Part 4: Application Scenarios

🏠 Residential Home Energy Storage

Pair with rooftop solar panels to store excess daytime energy for use during peak tariff hours or at night. With 16KWH of storage, you can power your home through the evening and early morning, significantly reducing electricity bills and increasing energy independence. Powers all household appliances including air conditioners, refrigerators, TVs, lighting, and washing machines – including 240V heavy loads.

🔦 Emergency Backup Power (EPS/UPS)

With an ultra-fast switching time of 10–20ms, the system seamlessly transitions to battery power during grid outages. Keep your home office, medical devices, security systems, and essential appliances running without interruption – ideal for areas with frequent blackouts, hurricanes, or unstable grid conditions.

☀️ Off-Grid & Remote Living

Perfect for cabins, farms, or remote locations without reliable grid access. When combined with sufficient PV panels (up to 9KW input), this system provides reliable 24/7 power for daily living, water pumps, and communication equipment.

🏢 Small Commercial & Light Industrial Use

Power small businesses, retail stores, restaurants, or workshops with reliable, clean energy. The 7.2KW continuous output handles moderate commercial loads while reducing operational energy costs.

🌍 Regions with Unstable Grids

Specifically designed for markets where power outages are common – the wide DC input voltage range (90–450VDC) and split-phase output make it adaptable to various solar panel configurations and household wiring, ensuring reliable power when you need it most.

🔋 Solar Self-Consumption Maximization

If you already have solar panels but want to store excess energy instead of wasting it, this system is your perfect partner. The dual MPPT trackers with 90–450VDC range work with most panel configurations, ensuring you capture as much solar energy as possible.


Ready to power your home or business with reliable, integrated energy storage? Contact our team for personalized system sizing and configuration recommendations.