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Product overview

Reliable performance without the guesswork.

Review the product details, specifications and support information below before ordering.

Best for
  • Home solar backup systems
  • Small offices and shops
  • Off-grid homes
  • Essential-load backup systems
  • Security and communication installations
  • Areas with frequent power interruptions
  • Solar-system battery upgrades
  • Light-commercial energy storage
Typical use

When paired with a correctly sized inverter and solar array, the battery can support essential appliances such as:

  • 💡 LED lights
  • 📺 Television
  • 📡 Wi-Fi router
  • 💻 Computers and laptops
  • 📱 Phones and small electronic devices
  • 🌀 Fans
  • 📹 CCTV and security equipment
  • 🖨️ Selected office equipment
  • 🧊 Energy-efficient refrigerator, subject to a load assessment

Actual backup time depends on the total connected load, inverter efficiency, battery settings and available usable energy.

The Lithium Valley LV-BAT-W5.12AC is a compact lithium energy-storage battery designed for residential solar backup, offices, small businesses and off-grid power systems.

With a nominal capacity of 5.12kWh, a voltage rating of 51.2V and a capacity of 100Ah, it stores energy from solar panels or the grid for use during blackouts, at night or whenever additional backup power is required.

Its slim enclosed design, front battery-status indicator and wall-mounted format make it suitable for clean, modern solar installations.

🔋 Key Features

  • 5.12kWh nominal energy capacity
  • 51.2V 100Ah battery rating
  • Designed for compatible 48V solar systems
  • Lithium battery technology for reliable energy storage
  • Integrated Battery Management System
  • Front LED battery-level indicator
  • Efficient charging and discharging
  • Compact wall-mounted design
  • Low-maintenance operation
  • Suitable for compatible hybrid and off-grid inverters
  • Ideal for residential and light-commercial installations

🛡️ Battery Management and Protection

The integrated Battery Management System helps monitor battery operation and provides protection against common electrical risks, including:

  • Overcharging
  • Excessive discharge
  • Overcurrent
  • Short circuits
  • High temperature
  • Low temperature
  • Cell-voltage imbalance

These protections help improve battery safety, performance and service life.

✅ Benefits of Lithium Battery Storage

  • Longer service life than conventional lead-acid batteries
  • Greater usable energy capacity 
  • Faster and more efficient charging
  • Reduced maintenance requirements
  • Stable performance during repeated charge cycles
  • Compact installation
  • Cleaner setup than a large lead-acid battery bank
  • Reliable backup during grid interruptions

⚡ 48V System Compatibility

Although the battery has a nominal voltage of 51.2V, it is intended for compatible systems commonly classified as 48V solar systems.

Before installation, confirm that the inverter supports:

  • 51.2V lithium batteries
  • The required charging voltage
  • Suitable charging and discharging current
  • The battery communication protocol
  • Correct cable sizes and protection devices

Professional installation by a qualified solar technician is recommended.

Technical details

Specifications

  • Brand: Lithium Valley
  • Model: LV-BAT-W5.12AC
  • Battery Type: Rechargeable lithium battery
  • Nominal Energy: 5.12kWh
  • Nominal Voltage: 51.2V
  • Battery Capacity: 100Ah
  • System Classification: 48V low-voltage solar system
  • Battery Monitoring: Front LED state-of-charge indicator
  • Installation Style: Wall mounted
  • Application: Solar-energy storage and backup power

Exact charge current, discharge current, battery chemistry, communication protocol and cycle-life figures should be confirmed from the official technical datasheet before installation.

Questions and answers

Before you order

What is the battery’s storage capacity?
The Lithium Valley LV-BAT-W5.12AC provides 5.12kWh of nominal energy storage.

What is its voltage and amp-hour rating?
It is rated at 51.2V and 100Ah.

Can it be used with a 48V inverter?
Yes, provided the inverter supports 51.2V lithium batteries and the required charging parameters.

Can it be used for home backup power?
Yes. It is suitable for essential household loads when paired with a compatible inverter and properly sized solar system.

Can it power a refrigerator?
It may support an energy-efficient refrigerator, but its starting and running wattage should be checked before connection.

Can it be charged using solar panels?
Yes. It can be charged through a compatible hybrid or off-grid solar inverter.

Can it also be charged from the grid?
Yes, when connected to a compatible hybrid inverter that supports utility charging.

How long will it provide backup power?
Backup duration depends on the total wattage of the connected appliances. Lower loads provide longer backup time.

Does it have a battery-status display?
Yes. The front LED indicator provides a quick view of battery status and charge level.

Is professional installation recommended?
Yes. Correct installation helps ensure safe wiring, proper inverter compatibility and dependable battery performance.

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