The Solar Step
2.56kWh 25.6V Esener Wall Mount Lithium Ion Battery 100AH
2.56kWh 25.6V Esener Wall Mount Lithium Ion Battery 100AH
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Description:
Reliable & High-Performance Lithium Power Storage
The ES-2.56KWh 25.6V Lithium Battery is designed for residential and commercial applications, offering a long lifespan, high energy efficiency, and advanced battery management. With a robust BMS (Battery Management System) featuring current-limiting protection, this battery provides safe and efficient power storage for backup and solar energy solutions.
Key Features & Benefits
- 2.56kWh energy capacity, ideal for backup power and renewable energy storage.
- 25.6V nominal voltage, designed for compatibility with 24V inverters and solar systems.
- Advanced BMS with current limiting function, ensuring optimal performance and protection.
- 5000+ cycle life at 80% Depth of Discharge (DOD) for long-lasting use.
- High-temperature resistance, maintaining efficiency even in extreme conditions.
- 1C high-performance lithium battery with fast charging and discharging.
- Low self-discharge rate, reducing energy loss during storage.
- Heavy-duty side handles, allowing for easy handling and wall mounting.
- Multiple mounting options – install on a wall or shelf rack for flexibility.
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Multiple ports for versatile applications:
- 2x parallel instruction ports
- 12V cigarette lighter output port
- 12V light output port
- 220V output port
Ideal Applications
- Home and office backup power solutions.
- Solar energy storage for off-grid and hybrid systems.
- Load shedding protection for uninterrupted power supply.
- Commercial and industrial renewable energy storage.
- Telecommunication and IT backup systems.
Technical Specifications
- Model: ES-2.56KWh
- Rated Capacity: 100Ah
- Voltage: 25.6V
- Max Continuous Charge/Discharge Current: 100A
- Weight: Approx. 24.5kg
- Cycle Life: ±5000 cycles at 80% DOD
- Dimensions: 442 x 400 x 143mm
- Outer Casing: White baked lacquer steel case
- Certifications: UN38.3, IEC, MSDS
- Operating Temperature: Charging: 0 to +50°C, Discharging: -10 to +50°C
- Parallel & Series Support: Up to 2s2p configuration
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Compatible Charging Methods:
- 24V inverters
- 24V lithium battery chargers
- 24V solar charge controllers
Power Supply Capacity Estimates
- TV (40W): Up to 64 hours
- Wi-Fi Router (4W): Up to 640 hours
- Light (10W): Up to 256 hours
- Smartphone Charging: Up to 8,520 hours
Warranty & Installation Requirements
- 3-year manufacturer’s warranty.
- Must be installed by a qualified electrician with SANS 10142 compliance.
- Certificate of Compliance (COC) required for warranty validation.
- Warranty claims without proper installation documentation may be void.
Let customers speak for us
from 103 reviewsSystem 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.
Great products that saves you money and preserve energy.
Friendly, helpful, great customer service.
The staff was very helpful and they were quick to respond to my messages aswell as give me the best system that fits into my budget and that is also in great quility
Outstanding Service!
I had an amazing experience with this company! From start to finish, their team was professional, knowledgeable, and efficient.
Good service, frienfly assistance, great products. Just overall amazing
A chap named Ruan assisted me with a few items I need. He was very helpful and knowledgeable. Will highly recommend The solar step and Ruan. Keep up the good work
This place has the best service, the staff are so friendly and helpful would recommend

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