14.336kWh Lithium Valley W15-E5 Wall-Mounted LiFePO₄ Battery – 51.2V 280Ah, LCD Display

The 14.336kWh Lithium Valley W15-E5 Wall-Mounted LiFePO₄ Battery is a high-capacity solar energy storage solution designed for installations requiring substantial battery capacity from a single wall-mounted unit.

Rated at 51.2V and 280Ah, the W15-E5 provides 14.336kWh of nominal energy storage, making it particularly suitable for larger residential solar systems, offices, businesses and other installations requiring extended stored-energy availability.

A standout feature of this model is its integrated LCD display, providing a convenient onboard interface for viewing available battery operating and status information.

Its combination of LiFePO₄ chemistry, 280Ah capacity and wall-mounted construction makes the W15-E5 a strong option for compatible 48V-class hybrid solar systems where higher storage capacity and a clean installation are priorities.

Technical Specifications

Key Features

• Large 14.336kWh nominal energy capacity
• High-capacity 51.2V 280Ah configuration
• Integrated LCD display
• LiFePO₄ lithium battery chemistry
• Space-efficient wall-mounted construction
• Substantial energy storage from a single battery unit
• Designed for compatible 48V-class hybrid inverter systems
• Suitable for longer-duration backup requirements
• Stores solar-generated energy for evening and night-time consumption
• Lithium Valley model W15-E5

Applications / Use Cases

🏠 Large Residential Solar Systems – substantial storage for homes with higher energy requirements

☀️ Hybrid Solar Installations – stores available solar generation for later use with a compatible inverter

🏢 Offices & Businesses – provides stored energy for appropriately selected business loads

🔌 Extended Backup Power – larger battery capacity provides greater backup potential during grid interruptions

🌙 Night-Time Solar Use – stores daytime solar generation for evening and overnight consumption

🏡 High-Capacity Energy Storage – suitable where smaller 5.12kWh batteries do not provide enough stored energy

Why the 14.336kWh Capacity Stands Out

The defining advantage of the Lithium Valley W15-E5 is its substantial 14.336kWh nominal energy capacity.

Its 51.2V × 280Ah configuration mathematically equals 14.336kWh, providing nearly three times the nominal energy capacity of a standard 5.12kWh 51.2V 100Ah battery.

This larger capacity makes it particularly useful for systems designed to support higher daily energy consumption, longer night-time operation or extended backup periods.

Actual backup duration will depend on connected loads, inverter efficiency, permitted depth of discharge and system configuration.

LCD Display Advantage

The integrated LCD display provides an onboard interface for checking available battery operating information without relying entirely on separate system equipment.

This is particularly useful during installation, routine system checks and troubleshooting, allowing technicians or users to access available battery status information directly from the unit.

The exact parameters displayed should be confirmed from the W15-E5 manufacturer’s documentation.

Wall-Mounted High-Capacity Design

Despite providing 14.336kWh of nominal storage, the W15-E5 uses a wall-mounted configuration designed to keep the solar installation organised while reducing floor-space requirements.

This makes it attractive for dedicated solar equipment rooms, utility areas, offices and residential installations where a neat battery-and-inverter arrangement is preferred.

Because this is a high-capacity 280Ah battery, the supporting wall and mounting hardware must be suitable for the battery’s actual weight and installed according to manufacturer requirements.

LiFePO₄ Battery Advantage

The W15-E5 uses Lithium Iron Phosphate (LiFePO₄) chemistry, widely adopted for stationary solar energy-storage applications involving repeated charging and discharging.

Combined with its 51.2V architecture and substantial 280Ah capacity, the battery provides a high-capacity storage platform for compatible hybrid solar systems.

It is particularly useful where solar energy needs to be stored during daylight hours and made available later for night-time consumption or grid-outage backup.

Usage & Installation Notes

• Confirm inverter compatibility before installation
• Match the battery to the correct system voltage
• Verify supported battery communication requirements where applicable
• Configure inverter charging parameters correctly
• Use appropriately rated DC battery cables
• Install suitable battery isolation and protection
• Observe correct positive and negative polarity
• Mount only on a structurally suitable wall
• Use correctly rated mounting hardware
• Maintain manufacturer-recommended installation clearances
• Protect the battery from moisture and excessive heat
• Professional installation by a qualified solar technician is recommended

Mini FAQ

What is the capacity of the Lithium Valley W15-E5?

It provides 14.336kWh of nominal energy storage.

What are its voltage and amp-hour ratings?

The W15-E5 is rated at 51.2V and 280Ah.

Does the W15-E5 have an LCD display?

Yes. This model features an integrated LCD display for viewing available battery information.

What battery chemistry does it use?

It uses LiFePO₄ (Lithium Iron Phosphate) chemistry.

Is the battery wall mounted?

Yes. The W15-E5 is designed as a wall-mounted lithium battery.

How does 14.336kWh compare with a 5.12kWh battery?

On a nominal-energy basis, the 14.336kWh W15-E5 provides 2.8 times the capacity of a 5.12kWh battery.

Can it work with a hybrid solar inverter?

Yes, provided the inverter is compatible with its 51.2V battery architecture, charging parameters and any required communication protocol.

Why Buy from Macire

• 14.336kWh Lithium Valley W15-E5
• High-capacity 51.2V 280Ah configuration
• Integrated LCD display
• LiFePO₄ lithium battery chemistry
• Space-saving wall-mounted design
• Suitable for high-capacity solar and backup systems
• Battery and inverter matching assistance
• Professional solar installation support
• Nationwide delivery
• After-sales technical support

Visit us: Kenafric Business Park, Ruaraka, Nairobi

WhatsApp: 0750 00 66 00

Calls: 0713 520 969 / 0718 762 530

Website: Macire