The Solar Step
5.12kWh Megatron 100AH 51.2V Slim Lithium Battery
5.12kWh Megatron 100AH 51.2V Slim Lithium Battery
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Title:
MEG-BATT-1 5.12kWh Ultra Slim LiFePO₄ Battery – Scalable, IP55 Rated
Description:
The MEGATRON is an advanced ultra-slim lithium iron phosphate (LiFePO₄) battery module designed for high-performance energy storage. With a compact form factor, extended cycle life, and scalable architecture, it is ideal for residential, commercial, and backup power systems requiring reliable and space-saving battery integration.
Core Specifications
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Battery chemistry: Lithium Iron Phosphate (LFP 16S)
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Nominal capacity: 5.12kWh
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Usable capacity: 4.86kWh (95% Depth of Discharge)
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Nominal voltage: 51.2V
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Operating voltage range: 43.2V – 58.4V
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Max charge voltage: 58.4V
Performance & Safety
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Max. charge current: 100A
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Max. discharge current: 150A
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Protective class: Class 1
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Ingress protection: IP55 (dust and water resistant)
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Designed for indoor environments up to 2000m altitude
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Compact and lightweight: 49kg | 780mm × 698mm × 68mm
Communication & Integration
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Supports RS485, CAN, RS232, and dry contact interfaces
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Seamless integration with compatible inverters and energy systems
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Max scalability: Up to 16 units in parallel (81.92kWh total capacity)
Durability & Lifecycle
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6000 cycles at 25°C with 60% end-of-life capacity
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10-year design life under standard usage conditions
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Certified to CE, IEC62619, and UN38.3 for safety and transport compliance
Operating Conditions
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Charging temperature: 0°C to 50°C
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Discharging temperature: -20°C to 60°C
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Recommended storage temperature: -10°C to 35°C
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Humidity tolerance: 95% RH (non-condensing)
Warranty
This battery includes a 10-year limited performance warranty.
Note: Installation must be performed by a certified professional in accordance with SANS 10142 standards. A valid Certificate of Compliance (COC) and proof of qualified installation must be retained for any warranty claims.
Let customers speak for us
from 126 reviewsReceived in time, installed and working very well.
As we were looking to purchase an inverter and a battery ,we were greeted via telephone, the salesperson was friendly and respectful,and helped us with all the info we required ,sent our invoice and payment was made...our tracking number has been recieved ....we will be dealing with The Solar Step again...thank your for the great service..
Thank you for the good service and speedy delivery.
Great value for money. This is the 3rd one we have fitted and they work great at half the price of the alternatives
Bought a 24v Ecco system from Solar step, good service and support.
I am very happy.
My Order was sent and delivered in supper quick time and everything was as ordered
Thank You Solar Step.
Super deal and service. Love it!
Recieved as ordered and in good condition.
Amazing deal inregards the Gelato 12.8V 120ah Lifepo4 battery.
Still can't find the correct blue tooth app to download.
Does anybody know ?
Thank you Solar Step for your great service and speedy delivery. Especially Luandro who is very helpful. They are highly recommended.
Bought a lithium battery W51100 online the response was excellent and it was collected the following day the staff was amazing with the communication all the way
Battery working fine. Thanks for the quick response and excellent service
So far so good. Eazy to install. Switching over is seamless.
I bought a solar combo, the service was very good and I appreciate the constant updates

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