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Orders shipped from the EU warehouse: Free shipping is available to mainland EU countries (excluding remote islands).
Orders shipped from China: Free shipping is available to the EU, US, and other major regions (excluding remote islands).
Note: If your shipping address is in the UK, Switzerland, or Norway, and your order is shipped from our European warehouse, additional shipping fees will apply. Any customs duties or taxes incurred for these destinations must also be covered by the customer.
After you place an order, we will process it within 1-2 business days. Depending on your shipping address, we will ship from the nearest warehouse so you can receive your items as soon as possible.
Contact us at service@better-ess.com to check the stock level of your nearest warehouse.
We stand behind the quality and performance of our products through comprehensive warranty coverage.
All LiFePO4 Cells Batteries can receive a 5-year warranty, when used correctly according to the product manual instructions.
Mobile ESS and DIY Case Kit are also warranted for 5 years.
Battery chargers carry a 2-year warranty.
Accessories are covered by a 1-year warranty.
All warranties are effective from the date of purchase by the end user. Correct installation and usage as specified in the product manual are required to maintain warranty eligibility.
Please take time to carefully review the manual prior to setup and operation to ensure proper use and long-lasting performance from your BetterESS LiFePO4 System. We're here to support you throughout the warranty periods.
We provide lifetime customer support to ensure you enjoy a worry-free experience with our products.
Whether you have questions about installation, usage, or maintenance, our dedicated team is always here to help — anytime you need us.
Contact us (Email): service@better-ess.com
⚡️ Fast shipping from our China Warehouse
The Price is finnal Price, including customs clearance and tax. you don't need to pay any other fees.
The BetterESS 51.2V 1256Ah 64.30kWh LiFePO4 Energy Storage Battery is built with EVE 628Ah LiFePO4 battery cells, delivering ultra-high energy density, long cycle life, and reliable power for residential and off-grid energy storage.
Equipped with a 300A BMS and active balancing technology, this system provides strong charge and discharge capability while helping maintain battery cell balance and long-term performance.
With support for up to 15 units in parallel, the total storage capacity can be expanded significantly to meet the needs of large residential energy systems, off-grid applications, workshops, farms, and backup power systems.
✅ 64.30kWh Large Capacity
Provides substantial energy storage for high-demand residential and off-grid applications.
✅ EVE 628Ah LiFePO4 Cells
Built with high-capacity EVE 628Ah LiFePO4 cells for excellent energy density, safety, and long service life.
✅ 300A BMS + Active Balancer
High-current BMS provides up to 300A charge/discharge capability, while active balancing helps maintain consistent cell performance.
✅ Up to 15 Units in Parallel
Multiple battery units can be connected in parallel to expand the total energy storage capacity for larger solar and backup power systems.
✅ New Exterior Design
Modern and robust enclosure design suitable for residential and energy storage applications.
✅ Mobile Design with 4 Wheels
Integrated wheels make the battery easier to move and position, especially during installation and system maintenance.
✅ Long Cycle Life
LiFePO4 battery chemistry provides excellent durability with a cycle life of more than 10,000 cycles under specified test conditions.
✅ Multiple Communication Interfaces
Supports CAN, RS485, RS232 and WiFi communication for battery monitoring and inverter communication.
With 51.2V nominal voltage and 1256Ah capacity, this battery provides approximately 64.30kWh of energy storage.
The large capacity makes it suitable for storing excess solar energy during the day and supplying power during the evening, at night, or during grid outages.
It is an excellent choice for customers who need a large-capacity residential battery system without using multiple small battery modules.
This model uses EVE 628Ah LiFePO4 cells in a 16S configuration to achieve the 51.2V system voltage.
LiFePO4 chemistry offers excellent thermal stability, high safety, long cycle life, and reliable performance for long-term energy storage applications.
The high-capacity 628Ah cells also help reduce the number of individual cells required for a large-capacity ESS, making the overall battery system more integrated and practical.
The integrated 300A BMS is designed for high-power energy storage applications.
It provides battery protection and monitoring functions while supporting high-current charging and discharging.
The built-in active balancer helps redistribute energy between cells and maintain better cell voltage consistency, supporting stable battery performance and extending the usable service life of the battery pack.
Maximum Charging Current: 300A
Maximum Discharging Current: 300A
Maximum Pulse Current: 350A (<3s)
The battery system supports connecting multiple units in parallel for larger energy storage requirements.
Up to 15 battery units can be connected in parallel, allowing the total system capacity to be expanded according to the user's energy requirements.
This makes the system suitable for:
Please ensure that the inverter and system configuration support the required parallel battery setup before installation.
The battery features a new enclosure design with four integrated wheels, making it easier to move the unit during installation, positioning, and maintenance.
The mobile design is particularly useful for large-capacity batteries that may need to be repositioned during system installation.
The battery supports communication with a wide range of inverter brands, including:
Growatt, Deye, GoodWe, Voltronic, Sofar, Victron, Megarevo, SRNE, Pylontech, Luxpowertek, Soreotec, SMA, Ginlong, MUST, TBB and Studer.
Communication interfaces include:
CAN / RS485 / RS232 / WiFi
Please confirm the specific inverter communication protocol and battery compatibility before purchase.
Store excess solar energy and use it during peak hours, at night, or during power outages.
Store electricity generated by your solar panels and improve solar energy self-consumption.
Provide a large-capacity energy source for homes, cabins, farms, workshops, and other off-grid locations.
Keep essential electrical equipment running during grid outages.
The 64.30kWh capacity and 300A BMS make this system suitable for high-energy-demand applications.
| Specification | Details |
|---|---|
| Model | BE-MB511256-300A-HWB |
| Nominal Voltage | 51.2V |
| Rated Capacity | 1256Ah |
| Battery Energy | 64.30kWh |
| Battery Chemistry | LiFePO4 |
| Battery Cells | EVE 628Ah LiFePO4 Cells |
| Configuration | 16S |
| BMS | 300A BMS + Active Balancer |
| Cycle Life | >10,000 Cycles |
| Max. Charging Voltage | 57.6V |
| Discharge Cut-off Voltage | 43.2V |
| Max. Charging Current | 300A |
| Max. Discharging Current | 300A |
| Max. Pulse Current | 350A (<3s) |
| Standard Charge Current | 120A |
| Standard Discharge Current | 120A |
| Communication | CAN / RS485 / RS232 / WiFi |
| Parallel Connection | Up to 15 Units |
| Dimensions | 500 × 1300 × 730 mm |
| Protection Grade | IP22 |
| Application | Home / Solar / Off-Grid Energy Storage |
BetterESS 64.30kWh LiFePO4 Energy Storage Battery combines high-capacity EVE 628Ah cells, a powerful 300A BMS, active balancing technology, and a mobile enclosure design into one large-capacity energy storage solution.
Whether you need reliable backup power for your home, a large solar battery for self-consumption, or a high-capacity off-grid energy storage system, this battery provides a scalable and flexible solution.
64.30kWh Capacity · EVE 628Ah Cells · 300A BMS · Active Balancer · Up to 15 Units Parallel · China Warehouse Shipping
| Model | BE-MB511256-300A-HWB |
| Rated Voltage | 51.2V |
| Rated Capacity | 1256Ah |
| Battery Power | 64.30kWh |
| Battery Type | LiFePO4 |
| Battery Cells | EVE 628Ah LiFePO4 Cells |
| BMS | 300A BMS + Active Balancer |
| Cycling Lifespan | >10000 Cycles (0.2C, 25°C) |
| Max. Charging Voltage | 57.6V |
| Discharging Cut-off Voltage | 43.2V |
| Charging Mode | CC/CV |
| Max. Charging Current | 300A |
| Max. Pulse Current | 350A (<3s) |
| Max. Discharging Current | 300A |
| Standard Charge Current | 120A |
| Standard Discharge Current | 120A |
| Weight | — |
| Dimensions (L×W×H) | 500 × 1300 × 730 mm |
| Communication | CAN / RS485 / RS232 / WiFi |
| Storage Condition | 6 months @ 25°C / 77°F; 3 months @ 35°C / 95°F; 1 month @ 45°C / 113°F |
| Charging Temperature Range | 0°C to 45°C (32°F to 113°F) |
| Discharge Temperature | -20°C to 60°C (-4°F to 140°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Supported Inverter Brands | Growatt, Deye, GoodWe, Voltronic, Sofar, Victron, Megarevo, SRNE, Pylontech, Luxpowertek, Soreotec, SMA, Ginlong, MUST, TBB, Studer |
| Line Joint | 350A Self-Locking Fitting Quick Release Connector |
| Protection Grade | IP22 |
| Application | Home Energy Storage / Solar Energy Storage / Off-Grid Energy Storage |
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⭐⭐⭐⭐⭐ Review Great supplier! Excellent support and very fast delivery from the EU warehouse. The battery cells arrived in perfect condition, well packed, and the quality is top-level (A-grade). Communication was clear and professional the whole time. Highly recommended!
hese are really excellent and of the highest quality, highly recommended, and do not become unbalanced even when charging if they exceed 120/130Ah.
Excellent batteries, all perfect in terms of weight and current capacity.
good service, i had a littble problem with the address, seller helped me to solve. finished the install 2 days ago, everything ok
swietne ogniwa pojemnosć zmiezona 685.55ah fajne busbary elastyczne ogniwa proste
