Product Video
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51.2V / 48V LiFePO4 Modular Battery for Solar Energy Storage
Our High Voltage Energy Storage System is a cutting-edge lithium battery solution designed for residential, commercial, and industrial applications requiring high energy efficiency and scalable performance. Built with top-grade LiFePO4 cells and advanced battery management technology, this system supports high-voltage output for improved power delivery, longer cable distances, and greater inverter compatibility
Features
Eco-Conscious & Safe
Components are free from contaminants and environmentally harmless. The Battery Management System (BMS) incorporates critical protective measures, including over-voltage, over-charge, overload, and extreme heat/cold resistance.
Intelligent Regulation
Automatic regulation ensures proper charge/discharge cycles, along with uniform voltage and current distribution across all cells.
Scalable Architecture
Adjustable configurations with multiple battery units enable scalable power and storage capacity.
Quiet Operation
An intelligent auto-cooling mechanism minimizes noise levels.
Superior LiFePO4 Performance
LiFePO4 batteries exhibit minimal energy loss, retaining charge for up to six months without replenishment, with no capacity degradation. They remain efficient even under partial charging and deliver consistent power output.
Wide Operating Range
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Operating: -10°C to 55°C (14°F – 131°F)
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Charging: 0°C to 45°C (32°F – 113°F)
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Discharging: -10°C to 55°C (14°F – 131°F)
Maintains high efficiency and longevity throughout its cycle life.
Easy Installation & Maintenance
Space-saving, modular construction, tool-free connections, and a lightweight design ensure simple setup and upkeep.
Specification :
| Model | SM24-100 | SM24-150 | SM24-200 | SM48-50 | SM48-100 | SM48-150 |
| Energy | 2560Wh | 3840Wh | 5120Wh | 2400Wh | 4800Wh | 7200Wh |
| Nominal Voltage (V) | 25.6V | 25.6V | 25.6V | 51.2V | 48V | 48v |
| Rated Capacity (Ah) | 100Ah | 150Ah | 200Ah | 50Ah | 100Ah | 150Ah |
| Chemistry | Lithium Iron Phosphate (LiFePo4) | |||||
| Design Life | More than 10 years | |||||
| Cycle Life | More than 3500 cycles at 80% DOD. | |||||
| Communication Protocol | CAN , RS485 , RS232 | |||||
| Display | LED Display Optional | |||||
| Internal Impedance | 50 mΩ | |||||
| Max. Charging Current | 50A | 80A | 100A | 50A | 100A | 100A |
| Max. Continue Discharging Current | 80A | 100A | 100A | 70A | 150A | 150A |
| Battery Dimensions (MM) | 438*375*133mm | 442*400*177mm | 442*400*177mm | 438*375*133mm | 482*445*155mm | 442*400*177mm |
| Weight | Approx: 40kg | Approx: 58kg | Approx: 70kg | Approx: 40kg | Approx: 45kg | Approx: 80kg |
| Battery Protection | Over-charge &Over discharge protection , over current protection ,over temperature production , short-circuit products , cells balance | |||||
| Outer Package Material | Black Power Coated steel case (battery rack or cabinet is optional) | |||||
| Operating Temperature | Charging: 0 to +50℃ Discharging: -20 to +60℃ Storage: -20 to +60℃ | |||||
Applications :
Communication base station , Data center , Home energy storage system , RV
Why Lithium Iron Phosphate (LiFePO4)
Lithium iron phosphate batteries as known as LFP or LiFePO4 are the safest types of lithium batteries. Lithium Iron Phosphate batteries do not explode, ignite, and are not prone to thermal run. Therefore, LFP batteries are the ideal chemistry choice for demanding applications like battery electrical storage solution or BESS for short. Some of its features are:
- Faster charging and efficient discharging are possible with LiFePO4
- Longer life cycles compared with SLA, AGM or lead-acid batteries. LFP life cycles typically exceed 3000 cycles
- LFP batteries are lightweight, non-toxic, non-polluting, and contain no rare or heavy metals like other batteries.
- Higher capacities compared to lead-acid other ordinary chemistries.
- LFP has no memory effect like the Nickel battery counterparts
We can arrange Door to Door delivery service for small orders or samples .
HEYI ENERGY is a leading high-tech enterprise specializing in the development and manufacturing of advanced lithium battery technologies. Established in 2014, we focus on lithium iron phosphate (LiFePO4) and lithium-ion (NMC) battery solutions, delivering safe, reliable, and efficient energy storage systems for global markets.
Our state-of-the-art production facilities span over 50,000 square meters, equipped for the large-scale manufacturing of both battery cells and packs. With a workforce of more than 1,500 employees, including over 300 experienced R&D engineers, we continuously drive innovation and quality through technological leadership.
HEYI ENERGY proudly provides OEM and ODM solutions to 100+ global partners, enabling customized energy solutions across a wide range of applications. Our product portfolio includes:
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Residential energy storage systems
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Commercial and industrial energy storage solutions
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Power batteries for various vehicles and industrial machinery
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Ultra-low temperature batteries for extreme environments
Our core technical team possesses extensive expertise in battery system design, battery management systems (BMS), operational control, and rigorous cell and module testing. From the initial concept to the final product, we ensure system compatibility, stability, and long-term reliability.
At HEYI ENERGY, our mission is to provide sustainable, cost-effective power solutions that not only meet the evolving needs of our customers but also contribute to a greener, low-carbon future.
HEYI ENERGY – A globally recognized manufacturer of lithium battery and solar energy products.
Q: Do you offer free samples?
A: We don’t provide free sample, but the sample cost can return to you when you place bulk orders .
Q: What is your terms of payment?
A: We accepted most of payment terms, like T/T,L/C at sight, PayPal, Western Union, Cash etc.
Q: What is a minimum number (pieces) of order for this product?
A: Our MOQ is 1 piece, the more the quantity, the more preferential it is.
Q: How many time you need for production of one sample?
A: If customized according to customer requirements, production time needs 10-15 working days, if it’s our standardized products most of the time we can supply from stock .
Q: How do you ship the products?
A: For small orders or samples we can arrange door to door air freight delivery , for large quantity we normally arrange container or LCL ocean shipment .
Q: How much does shipping cost?
A:It depends on the quantity of goods, the shipping method, and the country . But we will always figure out the best choice for you .
Q: How can I get the best prices?
A: You get cheaper per-item price when you buy larger quantities. Use the website to check prices. Returning customers receive better discount levels.
Q: What if the product is broken?
A: If any product is faulty, you can send me the picture or video to us, and we will study it. And provide the spare parts for after sale service.
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