Countrywide delivery across Kenya Expert guidance • Genuine equipment • Installation support

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
  • Hybrid solar installations
  • Essential-load backup systems
  • CCTV and communication systems
  • Areas with frequent power interruptions
  • Expandable solar-energy storage systems
Typical use

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

  • 💡 LED lights
  • 📺 Televisions
  • 📡 Wi-Fi routers
  • 💻 Computers and laptops
  • 🌀 Fans
  • 🧊 Energy-efficient refrigerators
  • 📹 CCTV and security systems
  • 🖨️ Office equipment
  • 🏪 Selected shop and business equipment
  • 📱 Phones and other small electronic devices

Actual backup duration depends on the connected load, inverter efficiency, battery settings and usable depth of discharge.

The MUST 5.12kWh Lithium Battery is a compact energy-storage solution designed for home solar systems, offices, shops, backup-power installations and selected off-grid applications.

Rated at 51.2V and 100Ah, the battery provides 5.12kWh of nominal energy storage for use during power outages, at night or whenever grid electricity is unavailable. Its wall-mounted design saves floor space, while the integrated display makes it easy to check battery status and remaining charge.

🔋 Key Features

  • 5.12kWh nominal energy capacity
  • 51.2V 100Ah battery rating
  • Durable LiFePO₄ lithium iron phosphate technology
  • Designed for compatible 48V solar systems
  • Integrated Battery Management System
  • Digital battery-status display
  • LED state-of-charge indicators
  • Wi-Fi connectivity
  • Parallel input and output connections
  • RS485, CAN and RS232 communication ports
  • Efficient charging and discharging
  • Wall-mounted, space-saving design
  • Suitable for compatible hybrid and off-grid inverters
  • Low-maintenance operation

🧠 Smart Battery Management System

The integrated Battery Management System monitors battery operation and helps protect it against common electrical and operating risks, including:

  • Overcharging
  • Excessive discharge
  • Overcurrent
  • Short circuits
  • High and low temperatures
  • Cell-voltage imbalance

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

📊 Monitoring and Communication

The battery includes an integrated digital display and LED indicators for checking:

  • State of charge
  • Battery operating status
  • Alarm conditions
  • Communication status

Its RS485, CAN and RS232 ports support communication with compatible hybrid and off-grid inverters. Wi-Fi connectivity may also allow remote monitoring, depending on the supported monitoring platform and system configuration.

🔗 Expandable Battery Storage

The battery includes parallel communication and power connections, allowing compatible units to be combined where additional storage capacity is required.

Example nominal capacities include:

  • 1 battery: 5.12kWh
  • 2 batteries: 10.24kWh
  • 4 batteries: 20.48kWh
  • 8 batteries: 40.96kWh

The maximum permitted number of parallel batteries should be confirmed from the official product manual before installation.

✅ Benefits of LiFePO₄ Technology

  • Longer service life than conventional lead-acid batteries
  • Greater usable energy capacity
  • Faster and more efficient charging
  • Stable performance during repeated charging cycles
  • Improved thermal and chemical stability
  • Minimal routine maintenance
  • Compact installation
  • Lower long-term replacement costs

⚡ 48V Inverter Compatibility

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

Before installation, confirm that the inverter supports:

  • 51.2V LiFePO₄ batteries
  • The required charging voltage
  • Suitable charging and discharging currents
  • CAN or RS485 battery communication
  • The correct MUST battery protocol
  • Recommended cable sizes and protection devices

Professional installation by a qualified solar technician is recommended.

Technical details

Specifications

SpecificationDetails

  • Brand MUST
  • Battery Type Lithium Iron Phosphate — LiFePO₄
  • Nominal Energy 5.12kWh
  • Nominal Voltage 51.2V
  • Battery Capacity 100Ah
  • System Classification 48V low-voltage solar system
  • Display Digital battery-status display
  • Communication RS485, CAN and RS232
  • Connectivity Wi-Fi
  • Parallel Support Parallel input and output ports
  • Installation Style Wall mounted
  • Application Solar-energy storage and backup power

Questions and answers

Before you order

What is the battery’s storage capacity?
The battery provides 5.12kWh of nominal energy storage.

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

What battery chemistry does it use?
It uses LiFePO₄ lithium iron phosphate technology.

Can it work with a 48V inverter?
Yes, provided the inverter supports 51.2V lithium batteries and the correct charging and communication settings.

Does it have an integrated display?
Yes. The front digital display shows battery charge and operating information.

Does it support inverter communication?
Yes. It includes RS485, CAN and RS232 communication connections.

Can it be connected in parallel?
Yes. The battery has parallel input and output connections. The maximum number of supported units should be confirmed from the manufacturer’s manual.

Can it power a refrigerator?
It may support an energy-efficient refrigerator, but the appliance’s starting wattage and the inverter capacity should be checked first.

Can it be charged using solar panels and grid power?
Yes, when connected to a compatible hybrid inverter that supports solar and utility charging.

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

Is professional installation recommended?
Yes. Correct installation helps ensure safe wiring, reliable communication and proper inverter-battery configuration.

Not sure this is the right product?

Send us what you need to power, pump or operate and we will help you confirm the best option.

Get help on WhatsApp →