Dyness B4850 48V 2.4kWh LiFePO4 Battery
- Category: Dyness LiFePO4 Battery
- Features
Product Description
Dyness B4850 48V 2.4kWh LiFePO4 Battery
The Dyness B4850 is a 48V low-voltage LiFePO4 battery designed for residential energy storage, hybrid solar systems, and off-grid applications. With a nominal energy capacity of 2.4 kWh and a 50 Ah capacity, this compact battery module provides reliable energy storage for everyday power management.
Featuring lithium iron phosphate (LFP) battery technology, an intelligent battery management system (BMS), and CAN/RS485 communication, the B4850 supports safe operation and integration with compatible inverters. Its modular design allows up to 40 units to be connected in parallel, providing flexible capacity expansion for different energy storage needs.
With a recommended charge and discharge current of 25 A, a maximum current of 50 A, and a rated cycle life of at least 6,000 cycles under specified test conditions, the Dyness B4850 is a practical solution for solar energy storage, backup power, and off-grid battery systems.
Key Features of Dyness B4850 Battery
48V LiFePO4 Battery: Uses lithium iron phosphate technology for residential and off-grid energy storage.
2.4kWh Energy Capacity: Provides 50Ah capacity at a nominal voltage of 48V.
Modular Expansion: Supports up to 40 battery units in parallel for flexible system expansion.
Intelligent BMS Protection: Supports cell-level monitoring, battery protection, and balancing.
Long Cycle Life: Rated for at least 6,000 cycles under specified laboratory conditions.
Flexible Charging and Discharging: Supports a recommended current of 25A and a maximum current of 50A.
Wide Inverter Compatibility: Compatible with selected hybrid and off-grid inverters, subject to protocol and firmware requirements.
CAN and RS485 Communication: Enables communication with compatible inverters and energy management systems.
Compact Installation: A slim 90mm-high battery module designed for flexible installation with compatible brackets or racks.
Solar and Off-Grid Applications: Suitable for residential solar storage, backup power, and hybrid energy systems.
Detailed Specifications
Parameter | Specification |
| Model | B4850 |
| Battery Type | LiFePO4 (Lithium Iron Phosphate) |
| Nominal Battery Energy | 2.4 kWh |
| Nominal Capacity | 50 Ah |
| Nominal Voltage | 48 V |
| Operating Voltage | 42–54.75 V |
| Recommended Charge/Discharge C-Rate | 0.5C |
| Recommended Charge/Discharge Current | 25 A |
| Maximum Charge/Discharge Current | 50 A |
| Peak Charge/Discharge Current | 55 A (Protection threshold) |
| Depth of Discharge (DOD) | 90% |
| Net Weight | 22 kg |
| Dimensions (W × D × H) | 480 × 360 × 90 mm or 480 × 405 × 90 mm, depending on version |
| Charging Temperature Range | 0°C to +55°C |
| Discharging Temperature Range | -20°C to +55°C |
| Communication Interfaces | CAN / RS485 |
| Cycle Life | ≥6,000 cycles under specified test conditions |
| Cycle-Life Test Conditions | 0.2C charge/discharge, 25°C, 90% DOD |
| Protection Rating | IP20 |
| Parallel Expansion | Up to 40 units |
| System Configuration | Compatible hybrid and off-grid systems |
| Certifications and Standards Listed | UN38.3, CE-EMC, IEC 62619, IEC 62040, CEI 0-21, UL 1973, UKCA and others, subject to regional applicability |
| Compatible Inverter Brands | Selected SMA, Schneider, Victron Energy, Ingeteam, Solis, GoodWe, Growatt, Deye and other compatible models |
FAQ About Dyness B4850
Q1: What is the capacity of the Dyness B4850 battery?
The Dyness B4850 has a nominal energy capacity of 2.4 kWh, a nominal voltage of 48V, and a rated capacity of 50Ah.
Q2: What type of battery is the Dyness B4850?
The B4850 uses lithium iron phosphate (LiFePO4 or LFP) battery technology and an intelligent battery management system (BMS).
Q3: How many Dyness B4850 batteries can be connected in parallel?
Up to 40 B4850 units can be connected in parallel under the specified system configuration. Check inverter compatibility and installation requirements before expansion.
Q4: What is the cycle life of the Dyness B4850?
The battery is rated for at least 6,000 cycles under specified test conditions: 0.2C charge/discharge, 25°C, and 90% depth of discharge.
Q5: What is the recommended charging current for the B4850?
The recommended charging and discharging current is 25A. The specified maximum current is 50A, while the 55A peak value is associated with protection.
Q6: Is the Dyness B4850 compatible with hybrid inverters?
Yes. The B4850 can be used with compatible hybrid and off-grid inverters. Confirm the specific inverter model, communication protocol, and firmware compatibility before installation.
Q7: What communication protocols does the Dyness B4850 support?
The B4850 supports CAN and RS485 communication for integration with compatible inverters and energy storage systems.
Q8: Can the Dyness B4850 be installed outdoors?
The B4850 has an IP20 protection rating and is intended for a protected installation environment. It should not be directly exposed to rain or outdoor weather.
Q9: What is the operating voltage range of the Dyness B4850?
The specified operating voltage range is 42V to 54.75V.
Q10: What applications is the Dyness B4850 suitable for?
The B4850 is suitable for compatible residential solar energy storage, hybrid solar systems, off-grid installations, and backup power applications.
