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7.2kW 10.24kWh All-in-One Solar ESS – US Standard 120V/240V Split-Phase for Home Backup & Off-Grid Storage

Basic Properties
Place of Origin: China
Brand Name: Kingconn
Certification: IEC62109, UL1741, RoHS, FCC, EN61000
Model Number: US 7.2KW+10.24KWH
Trading Properties
Minimum Order Quantity: 5
Payment Terms: T/T
Specifications
Rated Power: 7.2KVA / 7.2KW AC Output: Dual Outputs (split-phase)
Output Waveform: Pure Sine Wave Communication: RS232 / RS485 / Dry Contact
LCD: Yes Battery Energy: 10.24kWh
Operating Temp: -10°C To 55°C
Product Description

7.2kW 10.24kWh All-in-One Solar ESS – US Standard 120V/240V Split-Phase for Home Backup & Off-Grid Storage

Dual MPPT | LiFePO₄ 200Ah | 8,000 Cycles | Mobile Wheels | LCD Display

Part 1 – Overview & Features

Product Introduction

The US Standard 7.2kW + 10.24kWh All-in-One Solar ESS is a compact, fully integrated energy storage system combining a 7.2kW split-phase hybrid inverter with a 51.2V 200Ah LiFePO₄ battery (10.24kWh). Designed specifically for the North American market with 120V/240V split-phase output, this unit powers household appliances such as air conditioners, TVs, and lighting — all from a single, mobile cabinet.

With dual MPPT trackers, split-phase output, and a built-in LCD display, this system offers exceptional flexibility, efficiency, and ease of use. Its mobile wheeled base makes it easy to relocate, while the robust metal housing ensures durability in demanding environments.


Key Features

  • All-in-One Integrated Design – Inverter, battery, MPPT, and BMS in one cabinet.

  • 7.2kW Split-Phase Output – 120V/240V for North American standard wiring.

  • 10.24kWh LiFePO₄ Battery – 200Ah capacity for extended backup power.

  • Dual MPPT Trackers – 4500W + 4500W PV input, up to 9kW solar.

  • High Charging Current – 120A PV / 120A AC / 150A mixed charging.

  • Pure Sine Wave Output – Clean power safe for sensitive electronics.

  • Fast Transfer Time – 10ms (PC) / 20ms (household) for uninterrupted backup.

  • Mobile Wheeled Base – Built-in universal wheels for easy relocation.

  • LCD Display – Real-time monitoring of system status and battery level.

  • Multiple Communication Ports – RS232 / RS485 / Dry Contact.

  • Intelligent BMS – Full protection against overcharge, over-discharge, overcurrent, and temperature extremes.

  • 8,000+ Cycle Life – Designed for over 10 years of reliable performance.

  • Quiet Operation – Suitable for residential and commercial environments.

Part 2 – Key Specifications (Table)

Inverter Specifications



Parameter Details
Model INV 7200
Rated Power 7.2KVA / 7.2KW
Max. PV Input Power 4500W + 4500W (9kW total)
AC Output Dual outputs (split-phase)
Single-Phase Output Power 6KW
Split-Phase Output Power 7.2KW
Input Voltage 120Vac (L1/N, L2/N) / 240Vac (L1/L2)
Input Voltage Range 85–140Vac ±2%
Output Voltage 120Vac / 240Vac, 60Hz
Output Waveform Pure Sine Wave
Transfer Time 10ms (PC) / 20ms (Household)
Peak Efficiency (PV to INV) 96%
Peak Efficiency (Battery to INV) 93%
MPPT Voltage Range 90–450Vdc
Max. PV Input Current 16A
Max. PV Charging Current 120A
Max. AC Charging Current 120A
Mixed Charging Current 150A
Communication RS232 / RS485 / Dry Contact
LCD Yes

Battery Specifications



Parameter BAT 512200
Nominal Capacity 200Ah
Battery Energy 10,240Wh (10.24kWh)
Rated Voltage 51.2V (16S)
Discharge Cut-off Voltage 44V
Charge Cut-off Voltage 58.4V
Float Charging Voltage 56V
Continuous Charge Current 150A (adjustable)
Max. Discharge Current 200A
Rated Output Power 10,000W
Cycle Life ≥8,000 cycles @ 75% DoD
Communication RS232 / RS485 / Dry Contact
Dimensions (mm) 1000 × 520 × 282
Net Weight 117.2 kg
Gross Weight 134.4 kg
Protection Rating IP21
Operating Temp. -10°C to 55°C

Part 3 – Details & Convenience

All-in-One. Mobile. US Standard.

The US Standard 7.2kW + 10.24kWh ESS is designed for maximum convenience and performance:

  • Fully Integrated Cabinet – Inverter, battery, MPPT, and BMS all in one unit. No separate components, no complex wiring.

  • Split-Phase Output – 120V/240V output supports both standard US household appliances and larger loads.

  • Mobile Wheeled Base – Built-in universal wheels make it easy to move the unit to any location.

  • LCD Display – Clear real-time readout of battery SOC, input/output power, and system status.

  • Dual MPPT Trackers – Maximize solar harvest even with panels facing different orientations.

  • Multiple Charging Modes – PV, AC, or mixed charging for maximum flexibility.

  • Multiple Communication Ports – RS232, RS485, and dry contact for seamless integration.

  • Built-in BMS – Intelligent battery management for safety and longevity.

  • Quiet Operation – Suitable for residential and commercial environments.

Safety First

  • LiFePO₄ Technology – No thermal runaway, no fire risk, no toxic fumes.

  • Multi-Layer BMS Protection – Overcharge, over-discharge, overcurrent, short circuit, and temperature protection.

  • Rigorous Testing – Passed short circuit, overcharge, over-discharge, damp heat, and thermal shock tests.

  • IP21 Protection – Suitable for indoor installation.

  • Vibration & Shock Resistant – Designed for safe transport and installation.

Part 4 – Application Scenarios

Where Can You Use It?

🏠 Home Energy Storage
Store excess solar energy during the day and power your home at night. With 10.24kWh capacity and 7.2kW output, it can run multiple air conditioners, refrigerators, lights, and entertainment systems.

🔌 Backup Power During Outages
With a fast 10–20ms transfer time, the system automatically switches to battery mode when the grid fails, keeping essential appliances running seamlessly.

🏢 Small Business & Offices
Keep computers, POS systems, security cameras, and lighting operational during power cuts. Ensure business continuity with reliable backup power.

🌞 Off-Grid & Remote Sites
Ideal for farms, remote cabins, and off-grid homes where grid access is limited or unavailable.

⚡ Solar-Plus-Storage Expansion
Already have solar panels? This system integrates seamlessly with existing PV setups, adding battery storage and grid backup capabilities.

🏕️ Mobile & Temporary Power
The wheeled base makes it easy to relocate — perfect for temporary installations, events, or mobile workspaces.