The Solar Step
5.12kWh Ecco Lithium Battery 51.2V 100AH Wall Mount (ME51100)
5.12kWh Ecco Lithium Battery 51.2V 100AH Wall Mount (ME51100)
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Title:
Ecco 5.12kWh 51.2V LiFePO₄ Battery – Wall Mount, WiFi BMS, 100A Output
Description:
The Ecco ME51100 Lithium Battery is a compact, modular 5.12kWh energy storage unit designed for scalable residential or small commercial solar systems. Using LiFePO₄ (lithium iron phosphate) technology, it offers long life, improved safety, and high energy density.
Ideal for wall-mounted installations or stacked mounting (up to 5 units), the ME Series supports up to 40 batteries in parallel, giving installers the flexibility to scale from 5.12kWh to over 200kWh as needed. A smart BMS with built-in WiFi and LCD local display allows for efficient system monitoring and seamless integration with most inverter brands.
Key Features:
Efficient Energy Storage
-Nominal Voltage: 51.2V
-Capacity: 100Ah
-Total Energy: 5.12kWh
-Continuous & Peak Discharge: 100A
-Charging Voltage: 58.4V (recommended)
Scalable & Modular Design
-Parallel support for up to 40 units
-Suitable for stacked, rack, or wall-mounted installations
-Vertical mount required for ME51300/ME51320 (not applicable here)
Smart BMS and Communication
-Built-in WiFi-enabled BMS with OTA capability
-CAN & RS485 support for integration with leading inverter brands
-LCD monitor for real-time local status display
Safety & Reliability
-Uses LiFePO₄ chemistry for maximum thermal stability and long cycle life
-Certified for safe operation under varying conditions
Product Specifications
-Dimensions: 442mm x 625.5mm x 177mm
-Weight: 45kg
-Protection Rating: Suitable for indoor wall mounting (exact IP rating not specified)
Compatible With
-Most hybrid and off-grid inverter systems from brands like Growatt, Deye, Victron, LuxPower, and more
Installation & Warranty
-5-Year Limited Warranty
-Installation must be completed by a licensed wireman or master electrician
-A valid COC (Certificate of Compliance) must be issued specific to the system
-Installations must comply fully with SANS 10142 standards
-Failure to provide supporting documentation may void warranty claims
Let customers speak for us
from 113 reviewsThank 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

Excelent service from Luandro Thanks very much for your assisrance
Will def do buisness with them anytime again
10 out 10
It's very good service,got tracking number in n few minutes. Lovely way to do business. Make you feel safe.
System works very well, happy with purchase.

Very impressive store. Friendly service. Ruan is an excellent salesman and very professional.
We bought the 11kva system last week. Customer service is excellent, delivery excellence, installed and working like 4 paired horses bulling a wagon. We're thrilled and keep up the great work guys.
A big thank you to The Solar Step team for the excellent service, I am very happy with my product!
This place has amazing service the staff are so friendly and fast to help i would highly recommend
This place has amazing service the staff are so friendly and fast to help i would highly recommend
Great products that saves you money and preserve energy.

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