18kWh LiFePO4 lithium Battery Pack

Product Description

The 18kWh LiFePO4 lithium Battery Pack is a high-performance, automotive-grade lithium iron phosphate battery module designed for off-grid solar energy storage, hybrid inverter systems, and large-scale backup power applications. With a nominal capacity of 51.2V 360AH and 8000+ cycle life, it delivers stable, long-lasting energy storage for residential villas, commercial premises, and large off-grid projects. Compatible with most mainstream 48V hybrid inverters, this is our highest-capacity standalone battery pack, ideal for maximum energy independence.

Core Features

Maximum-Capacity LiFePO4 Battery — Safe, Long-Life Solar Energy Storage

• ✅ Automotive-grade LiFePO4 cells, superior safety & stability
• ✅ 8000+ cycle life, 8+ years of reliable daily use
• ✅ 51.2V 360AH nominal capacity, 18kWh usable energy
• ✅ Built-in BMS (Battery Management System) for overcharge, over-discharge & short circuit protection
• ✅ Compatible with most 48V hybrid inverters on the market
• ✅ Supports parallel connection for capacity expansion
• ✅ Low self-discharge rate, minimal maintenance required
• ✅ Wide operating temperature range for reliable performance in various climates

Technical Specifications

• Chemistry: LiFePO4 (Lithium Iron Phosphate)
• Nominal Voltage: 51.2V
• Capacity: 360AH
• Energy: 18kWh
• Cycle Life: ≥8000 cycles
• Built-in BMS: Yes
• Compatible Inverter Voltage: 48V
• Supports Parallel Expansion: Yes

Compatible Inverter Systems

This battery pack is compatible with most 48V hybrid and off-grid inverters, including our All-in-One Solar System series. It can also be paired with third-party inverters supporting 48V LiFePO4 battery communication protocols.

💡 Need a complete system? Pair this battery with our All-in-One Solar Systems for a complete off-grid power solution. Contact us for a customized system recommendation.

FAQ | 18kWh LiFePO4 Battery Pack

Q1: What is the usable capacity of this battery pack?

The battery has a nominal capacity of 51.2V 360AH, providing 18kWh of usable energy storage — our largest standalone battery pack. It is ideal for high-demand residential villas, commercial stores, and large off-grid installations.

Q2: How long will the battery last?

The LiFePO4 battery offers 8000+ charge cycles. Under normal daily charge and discharge conditions, it can maintain reliable performance for more than 8 years with minimal capacity degradation.

Q3: Does it have built-in battery protection?

Yes. The battery pack includes a built-in BMS (Battery Management System) that protects against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes, ensuring safe and reliable operation.

Q4: Can I connect multiple battery packs in parallel?

Yes. This battery pack supports parallel connection, allowing you to expand your total storage capacity by adding more units to your system.

Q5: Is it compatible with my existing inverter?

This battery is compatible with most 48V hybrid and off-grid inverters on the market. Please check your inverter's battery compatibility specifications or contact our technical team for confirmation.

Q6: What applications is this battery best suited for?

It is ideal for large residential villa solar energy storage, high-demand off-grid power systems, commercial backup power, island electrification, and any application requiring maximum-capacity 48V lithium battery storage.