The Solar Step
5.12kWh Megatron Slim LiFePO₄ Battery 51.2V
5.12kWh Megatron Slim LiFePO₄ Battery 51.2V
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Product Description
The Megatron MEG-BATT-1 is a slim 5.12kWh LiFePO₄ battery designed for residential solar, backup and hybrid energy storage systems.
With 100Ah capacity, 51.2V nominal voltage, 95% usable depth of discharge and a compact 68mm-deep profile, it is well suited to installations where space is limited but reliable lithium storage is still required.
The battery supports communication with major inverter brands and can be expanded with up to 16 compatible units in parallel.
Key Features
5.12kWh nominal energy
4.86kWh usable energy
100Ah capacity
51.2V nominal voltage
LiFePO₄ battery chemistry
95% depth of discharge
Maximum charge current: 100A
Maximum discharge current: 150A
RS485, CAN, RS232 and dry contact communication
IP55 protection rating
Ultra-slim 68mm design
Up to 16 batteries in parallel
Maximum combined storage: 81.92kWh
6,000 stated cycles
10-year design life
10-year warranty
Inverter Compatibility
The supplied compatibility information includes communication support with brands such as:
Deye
Sunsynk
Victron
Growatt
Voltronic
Luxpower
Exact inverter model and firmware compatibility should be confirmed before installation.
Battery Performance
The Megatron battery supports:
Working voltage range: 43.2V to 58.4V DC
Charging voltage: 58.4V
Maximum charge current: 100A
Maximum discharge current: 150A
Usable capacity: 4.86kWh at 95% DOD
Its higher discharge capability makes it suitable for compatible inverter systems that require strong battery output.
Slim Design
The battery measures only 68mm deep, making it suitable for installations where wall space or equipment-room depth is limited.
Its slim form factor helps keep residential solar installations neat and compact.
Expandable Storage
Up to 16 compatible Megatron MEG-BATT-1 batteries can be connected in parallel.
This allows the system to expand from 5.12kWh to a maximum nominal storage capacity of approximately 81.92kWh.
Technical Specifications
Brand: Megatron
Model: MEG-BATT-1
Product type: Ultra Slim LiFePO₄ Battery
Battery type: LFP 16S
Nominal energy: 5.12kWh
Usable energy: 4.86kWh
Nominal capacity: 100Ah
Nominal voltage: 51.2V
Working voltage: 43.2V to 58.4V DC
Charging voltage: 58.4V
Maximum charge current: 100A
Maximum discharge current: 150A
Depth of discharge: 95%
Communication: RS485, CAN, RS232 and dry contact
Storage temperature: -10°C to 35°C recommended
Storage humidity: Up to 85% RH
Charging temperature: 0°C to 50°C
Discharging temperature: -20°C to 60°C
Working humidity: Up to 95% RH, no condensation
Maximum working altitude: 2,000m
Protection rating: IP55
Protective class: Class 1
Weight: 49kg
Dimensions: 780 × 698 × 68mm
Design life: 10 years at 25°C
Cycle life: 6,000 cycles at 25°C and 60% EOL
Parallel expansion: Up to 16 units
Maximum combined capacity: 81.92kWh
Certifications: CE, IEC62619 and UN38.3
Package Dimensions
800 × 570 × 150mm
Recommended Applications
Residential solar systems
Home backup power
Hybrid inverter systems
Off-grid installations
Space-limited installations
Solar self-consumption
Small commercial backup
Expandable lithium battery banks
Warranty
Product warranty: 10 years
Terms and conditions apply
All inverters and batteries must be installed by a qualified electrical wireman or Master Electrician with valid registration through the Department of Employment and Labour.
A valid Certificate of Compliance must be issued for the installed backup or solar system.
The installation must comply with SANS 10142 and all applicable requirements.
Warranty claims may require:
Installation photographs
Valid Certificate of Compliance
Proof of installation by a qualified electrical professional
Correct system configuration
Failure to provide the required documentation may result in the warranty claim being rejected.
Let customers speak for us
Quick delivery, and this is my 4th battery I've added to my storage. They are really awesome, no issues.
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I recently purchased an inverter from The Solar Step, and I couldn’t be more impressed with the experience. I placed my order on Monday, and it was delivered to Pietermaritzburg by Wednesday—incredible turnaround time!
A special shoutout to Kersh, who kept me updated every step of the way. Her expert product knowledge was top-tier, and she went above and beyond by referring me to a dedicated technician who helped verify the exact battery and inverter compatibility before setup.
Top-notch communication, lightning-fast delivery, and genuine customer care. I highly recommend The Solar Step to anyone looking for reliable solar products and expert advice!
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Order from the page easy,. The delivery was fast as delivery person keep you informed. The indicator installment the next day, easy to install and lights are very clear to from s distance. Thank you for fast respond and delivery and a exalted product
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Product was available immediately for pick- up. Will definitely use them again. Pricing was also good.
Bateries are working good and was delivered as promissed on time to western cape rural area. Thank you.
The staff is very professional and very knowledgeable about their products. The purchase was easy and very quick. I purchased a Lithium battery for my 3 head camera and it's been on ever since especially when there is no sun. I am very happy with my purchase.
I will always prefer solar step, I have ordered solar and they have arrived quickly and they’re working properly. I will always recommend solar step to everyone and hoping to call again soon
