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3.6kW 5.12kWh All-in-One Solar ESS – 25.6V 200Ah LiFePO₄ for Home Backup & Off-Grid Storage

Basic Properties
Brand Name: Kingconn
Certification: IEC62109, UL1741, RoHS, FCC, EN61000
Model Number: 3.6kw+5.15kwh
Trading Properties
Minimum Order Quantity: 1
Payment Terms: T/T
Specifications
Rated Power: 3.6KVA / 3.6KW AC Output: Dual Outputs
Output Voltage: 220/230VAC ±5% Output Waveform: Pure Sine Wave
Communication: RS232 / RS485 / CAN LCD: Yes
Battery Type: LiFePO₄ Battery Energy: 5,120Wh
Product Description

One Unit. Whole-Home Backup.

3.6kW + 5.12kWh All-in-One ESS — Mobile, Solar-Ready, Reliable.

Part 1 – Overview & Features

Product Introduction

The ES Standard 3.6kW + 5.12kWh All-in-One Solar ESS is a compact, fully integrated energy storage system combining a 3.6kW hybrid inverter with a 25.6V 200Ah LiFePO₄ battery (5.12kWh). Designed for residential and small commercial use, it powers household appliances such as TVs, air conditioners, and lighting — all from a single, mobile cabinet.

With its all-in-one design, built-in MPPT, dual AC outputs, and mobile wheeled base, this system is easy to install, easy to move, and ready to deliver reliable backup power whenever the grid goes down.


Key Features

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

  • 3.6kW Rated Output – Handles most household appliances with ease.

  • 5.12kWh LiFePO₄ Battery – 25.6V 200Ah capacity for reliable backup power.

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

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

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

  • Dual AC Outputs – Universal gauge AC output × 2 + ground wire output for flexible load management.

  • High PV Input – Up to 5kW solar input, 100A max PV charging current.

  • Wide MPPT Range – 40–450Vdc, compatible with most solar configurations.

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

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

  • Comprehensive Protection – Overvoltage, undervoltage, overload, overcurrent, short circuit, and temperature protection.

  • Quiet Operation – Suitable for residential environments.

Part 2 – Key Specifications (Table)

Inverter Specifications



Parameter Details
Model INV 3600
Rated Power 3.6KVA / 3.6KW
Max. PV Input Power 5KW
AC Output Dual outputs (universal gauge × 2 + ground wire)
Input Voltage Range 170–280VAC (PC) / 90–280VAC (Household)
Output Voltage 220/230VAC ±5%
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 40–450Vdc
Max. PV Input Current 18A
Max. PV Charging Current 100A
Max. AC Charging Current 100A
Max. Charging Current 100A
Dimensions (mm) 450 × 420 × 150
Net Weight 12.3 kg
Communication RS232 / RS485 / CAN
LCD Yes

Battery Specifications



Parameter BAT 256200
Battery Type LiFePO₄ (Lithium Iron Phosphate)
Nominal Capacity 200Ah
Battery Energy 5,120Wh (5.12kWh)
Rated Voltage 25.6V (8S)
Discharge Cut-off Voltage 22V
Charge Cut-off Voltage 29.2V
Float Charging Voltage 27V
Continuous Charge Current 100A
Max. Discharge Current 150A
Rated Output Power 3600W
Cycle Life ≥8,000 cycles @ 80% DoD
Protection Rating IP21
Operating Temp. -10°C to 55°C
Storage Temp. -15°C to 60°C

Part 3 – Details & Convenience

All-in-One. Mobile. Easy to Install.

The ES Standard 3.6kW + 5.12kWh ESS is designed for maximum convenience and flexibility:

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

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

  • Dual AC Outputs – Universal gauge AC output × 2 + ground wire output for flexible load management.

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

  • LED Status Indicators – AC, INV, charge, and fault lights for instant system diagnostics.

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

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

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

  • Quiet Operation – Suitable for residential 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 5.12kWh capacity and 3.6kW output, it can run lights, TVs, refrigerators, and small air conditioners.

🔌 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.