15.36kWh Amizar 51.2V 300Ah Lithium Battery – Large-Capacity 48V Solar Storage

The 15.36kWh Amizar 51.2V 300Ah Lithium Battery is specifically positioned for large solar installations that need substantial energy storage from a single battery unit. With 300Ah capacity at 51.2V, it provides a stated 15.36kWh of nominal stored energy.

What distinguishes this Amizar battery is its combination of high 300Ah capacity and a 48V-class architecture. Rather than being intended for basic lights-and-TV backup, the 15.36kWh capacity makes it relevant to larger residential systems, businesses and installations designed to keep several selected electrical loads operating for extended periods.

Compared with the 10.24kWh 200Ah Amizar battery, this 300Ah model provides 5.12kWh additional nominal storage — 50% more energy capacity while remaining on the same 51.2V platform.

This makes it particularly relevant where a compatible 48V hybrid inverter needs a larger energy reserve without relying on a small-capacity battery.

Technical Specifications

Key Features

• Large 15.36kWh nominal energy capacity
• High 300Ah battery capacity
• 51.2V / 48V-class architecture
• 5.12kWh more storage than the 10.24kWh 200Ah Amizar model
• 50% greater nominal energy capacity than the 10.24kWh model
• Suitable for larger residential solar installations
• Strong storage option for selected business backup systems
• Stores substantial daytime solar generation for later use
• Suitable for compatible high-output 48V hybrid inverters
• Large single-battery energy reserve for demanding solar installations

15.36kWh Large-Capacity Advantage

The defining feature of this battery is the 15.36kWh nominal energy reserve.

This level of storage moves it beyond basic emergency backup applications. It is particularly relevant where the objective is to store enough solar-generated energy to support multiple household or business loads after solar production drops.

A larger battery also gives the system designer more flexibility when balancing daytime solar production against evening, nighttime and grid-outage consumption.

Actual usable energy will depend on the battery’s permitted operating range and system configuration.

300Ah Advantage

The 300Ah rating differentiates this model from Amizar’s 200Ah storage options.

Its stated capacity can be verified directly from the supplied electrical specifications:

51.2V × 300Ah = 15,360Wh = 15.36kWh

The important advantage is therefore not simply that it has “300Ah,” but that the 300Ah capacity operates at 51.2V, producing a substantial 15.36kWh nominal energy reserve.

51.2V High-Capacity System Advantage

The 51.2V nominal voltage places this Amizar battery in the 48V-class solar-storage category.

This makes it particularly relevant to higher-capacity inverter installations, where 48V battery architecture is more appropriate than smaller 12V or 24V systems.

Potential system applications include compatible:

⚡ 6.2kW-class hybrid inverters

⚡ 8.2kW-class hybrid inverters

🏠 Larger residential solar installations

🏪 Small commercial energy systems

☀️ High-capacity solar-plus-storage systems

Exact inverter compatibility must still be confirmed from voltage range, charging current, battery discharge capability and any required communication protocol.

50% More Storage than the 10.24kWh Amizar

This battery provides a clear step up from the 10.24kWh Amizar 51.2V 200Ah battery.

Because both operate at the same nominal voltage, the higher 300Ah rating translates directly into 50% more nominal stored energy.

This makes the 15.36kWh model particularly attractive where additional runtime or greater solar-energy storage is the priority.

Day-to-Night Solar Storage Advantage

A 15.36kWh battery can play a major role in increasing the amount of solar energy that remains available after sunset.

During periods of strong solar production:

☀️ Solar Panels → 🏠 Supply Loads + 🔋 Charge 15.36kWh Battery

Later:

🌙 Battery → ⚡ Hybrid Inverter → 🏠 Selected Loads

This makes the battery useful for customers who want solar energy to contribute beyond daylight hours rather than relying solely on instantaneous solar production.

Larger Home Energy Storage Advantage

For residential installations, this battery is better positioned for multi-load energy storage than a small backup battery.

Subject to proper system sizing, stored energy can contribute toward:

🧊 Refrigeration

💡 Multiple Lighting Circuits

📺 TV & Entertainment Systems

💻 Computers & Home Offices

📡 Internet & Security Equipment

🔌 Selected Household Appliances

🏠 Multiple Essential Home Circuits

The actual combination and runtime depend on appliance consumption, inverter efficiency and usable battery capacity.

Business Continuity Advantage

The 15.36kWh capacity also makes this battery particularly relevant to businesses where a small battery may provide insufficient stored energy.

Suitable applications can include appropriately sized:

🏪 Retail Shops

💻 Offices

🖥️ Computers & POS Systems

📡 Networking & Communication Equipment

💡 Commercial Lighting

🔌 Selected Essential Business Equipment

For business installations, the system should be designed from an actual load assessment rather than estimated appliance counts.

15.36kWh Storage vs Inverter Power

Battery kWh and inverter kW describe different things.

The 15.36kWh battery capacity describes how much nominal energy can be stored.

An inverter’s kW rating describes how much power it can deliver at a given time.

Therefore, pairing this battery with a high-capacity inverter does not mean the system will automatically run for a specific number of hours.

Backup duration depends on:

Usable Battery Energy ÷ Actual Load, with system losses and operating limits also considered.

Applications / Use Cases

🏠 Large Residential Solar Systems – substantial storage for homes requiring several selected circuits to remain powered.

☀️ Day-to-Night Solar Storage – stores daytime PV production for evening and nighttime consumption.

🔋 Extended Backup Systems – provides a larger energy reserve where smaller batteries would offer insufficient runtime.

🏪 Small Commercial Systems – suitable for appropriately sized business-critical loads.

💻 Office Backup – useful for computers, networking equipment, lighting and selected office electronics.

⚡ 48V Hybrid Inverter Systems – suitable for compatible higher-output solar inverter installations.

Battery & Inverter Matching

Before connecting this battery to an inverter, confirm:

• Compatibility with 51.2V lithium batteries
• Inverter battery operating-voltage range
• Battery charging requirements
• Maximum permitted charging current
• Battery discharge-current capability
• Required DC protection
• Required battery communication, if applicable
• Cable sizing for the inverter’s expected DC current

A 51.2V label alone does not guarantee compatibility with every 48V inverter.

Usage & Installation Notes

• Use with a compatible 48V-class inverter/charger
• Confirm the exact lithium charging parameters
• Verify battery discharge capability against inverter requirements
• Use correctly sized DC cables
• Install appropriately rated DC protection
• Keep high-current connections secure
• Observe correct battery polarity
• Never short-circuit the terminals
• Follow the manufacturer’s permitted operating limits
• Protect the battery from moisture and excessive heat
• Follow the required installation orientation
• Follow Amizar storage and commissioning procedures
• Have the complete solar and battery system appropriately sized before installation

Mini FAQ

What is the battery capacity?
It is specified at 15.36kWh, 51.2V and 300Ah.

How is the 15.36kWh capacity calculated?
Using the supplied ratings: 51.2V × 300Ah = 15,360Wh = 15.36kWh.

How much bigger is it than the 10.24kWh Amizar battery?
It provides 5.12kWh additional nominal storage, which is 50% more energy capacity than the 10.24kWh model.

Is it suitable for large home solar systems?
Yes. Its 15.36kWh nominal storage makes it particularly relevant where a home needs a substantial battery reserve for multiple selected loads.

Can it work with a 6.2kW or 8.2kW Amizar 48V inverter?
The voltage class is relevant to these 48V inverter systems, but exact charging, discharge and communication compatibility must be confirmed before installation.

Can it store enough solar power for nighttime use?
That is one of the key applications of a battery of this capacity. Whether it can cover the entire required nighttime period depends on the household or business load.

Is 15.36kWh the usable capacity?
It is the nominal capacity based on the supplied 51.2V and 300Ah ratings. Actual usable energy depends on manufacturer operating limits and system settings.

Is it LiFePO₄?
The supplied information confirms an Amizar lithium battery but does not specify the exact lithium chemistry. LiFePO₄ should only be stated once confirmed from the product label or technical documentation.

Why Buy from Macire

• 15.36kWh Amizar high-capacity battery
• Large 300Ah energy-storage capacity
• 51.2V / 48V-class system architecture
• 50% more nominal storage than the 10.24kWh Amizar model
• Suitable for larger home and business solar systems
• Professional inverter, battery and solar-system sizing
• Nationwide delivery
• After-sales product support

Visit us: Kenafric Business Park, Ruaraka, Nairobi
WhatsApp: 0750 00 66 00
Calls: 0713 520 969 / 0718 762 530
Website: Macire