51.2V 6.5kWh Wall-Mount LiFePO4 Battery for Home Solar
The BSLBATT B-LFP48-130PW is a 51.2V, 6.5kWh (127Ah) wall-mounted LiFePO4 battery designed for residential solar energy storage. It delivers 6,175Wh of usable capacity at 95% depth of discharge and supports 1.5C continuous discharge for high-demand loads. Up to 32 units connect in parallel, scaling total capacity from 6.5kWh to 208kWh. Certified to CE and IEC 62619 standards, the B-LFP48-130PW is built for solar installers, electrical contractors, and distributors who need a reliable, scalable home battery solution.
Who Is the B-LFP48-130PW Built For?
Solar Installers -- Pair with new or existing PV systems to maximize self-consumption. CAN and RS485 protocols provide plug-and-play communication with 30+ inverter brands.
Electrical Contractors -- Add reliable backup power to residential projects. Compact wall-mount design (780 x 460 x 120 mm) fits in garages, utility rooms, and outdoor enclosures.
Home Energy Solution Providers -- Integrate into whole-home energy management systems. Modular parallel connection supports capacity planning from 6.5kWh to 208kWh.
Distributors & Wholesalers -- Stock a CE and IEC 62619 certified wall battery with strong margin potential. 5-year warranty, 30-day delivery, OEM/ODM available.
Technical Specifications
Detailed specifications for 6.5kWh Lithium Iron Phosphate (LiFePO4) Battery
| Parameter | Value |
|---|---|
| Nominal Capacity | 6.5kWh |
| Nominal Voltage | 51.2V |
| Rated Current | 127Ah |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Mounting | Wall-Mounted |
| Cycle Life | > 6000 Cycles @ 95% DoD (at 25°C) |
| Dimensions (H × W × D) | 780 × 460 × 120mm |
| Weight | 55 ±3%kg |
| Operating Temperature | -20 to 55℃ |
| Communication | CAN/RS485 |
| Protection Rating | IP20 |
| Certifications |
CE
UN38.3
|
Compatible Inverter Brands
The B-LFP48-130PW communicates via CAN and RS485 protocols and is compatible with over 30 inverter brands. Default CAN setting is Victron; default RS485 setting is Pylon.
CAN Protocol
Pylontech · Deye/Sunsynk · Growatt · Victron · Luxpower · SMA · Goodwe · Studer · Sofar · Solis (Ginlong) · TBB · Daneng · Aiswei · SAJ · Sorotec · MUST · Megarevo · Schneider · Afore · Solax
RS485 Protocol
Pylontech · Deye/Sunsynk · Growatt · Voltronic · Phocos · Luxpower · SRNE · Sorotec · Hypontech · Sunplain · Epever · Talegent · Eltek · Techfine · SMKSolar · Gospower · AOHAI · SUNGERY
6.5kWh vs 5kWh: Choosing the Right Capacity
Not sure whether 6.5kWh or 5kWh is the right fit for your project? The table below compares key specifications to help you decide
| Specification | B-LFP48-130PW (6.5kWh) | PowerLine-5 (5.12kWh) |
|---|---|---|
| Nominal Capacity | 6,500 Wh | 5,120 Wh |
| Usable Capacity | 6,175 Wh | 4,864 Wh |
| Rated Capacity | 127 Ah | 100 Ah |
| Voltage | 51.2 V | 51.2 V |
| Dimensions (H × W × D) | 780 × 460 × 120 mm | 700 × 540 × 90 mm |
| Weight | 55 kg | 48.3 kg |
| Discharge Max Current | 150 A / 7.68 kW | 120 A / 6.144 kW |
| Charge Max Current | 120 A / 6.144 kW | 110 A / 5.632 kW |
| Warranty | 5 Years | 10 Years |
| Design Life | > 10 Years | > 15 Years |
| Parallel Expansion | Up to 32 units | Up to 32 units |
The 6.5kWh B-LFP48-130PW delivers 27% more stored energy than BSLBATT 5.12kWh LiFePO4 batteries.
6.5kWh Wall Mounted Battery FAQ
Q: What is the usable capacity of the BSLBATT 6.5kWh wall battery?
The B-LFP48-130PW has a nominal capacity of 6.5kWh (6,500Wh) and a usable capacity of 6,175Wh, based on a 95% depth of discharge.
Q: How many units can be connected in parallel?
Up to 32 units can be connected in parallel, allowing total system capacity to scale significantly for larger homes or light commercial applications.
Q: What inverters is this battery compatible with?
The B-LFP48-130PW communicates via CAN and RS485 protocols (RS232 also supported; Wi-Fi and Bluetooth optional). It is compatible with over 30 inverter brands including Victron, Deye/Sunsynk, Growatt, SMA, Goodwe, Sofar, Solis, Luxpower, Schneider, Studer, and Solax. Default CAN setting is Victron; default RS485 setting is Pylon. Contact BSLBATT for protocol file downloads and integration support.
Q: What certifications does the battery carry?
BSLBATT certifies the B-LFP48-130PW to CE and IEC 62619 standards, with UN38.3 transport certification for international shipping.
Q: What is the operating temperature range?
Charging: 0 to 55 ℃. Discharging: -20 to 55 ℃. Storage: 0 to 35 ℃.
Q: What is the warranty and design life?
BSLBATT provides a 5-year warranty on the B-LFP48-130PW. At 25°C, the battery has a design life exceeding 10 years and delivers over 6,000 charge-discharge cycles.
Q: What is the maximum charge and discharge power?
The B-LFP48-130PW supports a maximum charge current of 120A (6.144kW) and a maximum continuous discharge current of 150A (7.68kW). The recommended discharge current for daily cycling is 64A (3.276kW). The battery supports up to 1.5C continuous discharge rate.
Q: How does the 6.5kWh compare to the 5kWh wall battery?
The B-LFP48-130PW provides 6,500Wh of nominal capacity (127Ah), which is 27% more energy than a standard 5kWh (100Ah) wall battery. It shares the same 51.2V platform, 16S1P cell configuration, and communication protocols, making it a direct upgrade for installations that need more stored energy without adding a second battery unit.
| Model | B-LFP48-130PW | |
| Battery Type | LiFePO4 | |
| Cell &Method | 16S1P | |
| Rated Capacity (Ah) | 127 | |
| Nominal Voltage (V) | 51.2 | |
| Nominal Capacity (wh) | 6500 | |
| Usable Capacity (wh) | 6175 | |
| Dimension (H*W*D) | 780*460*120 mm | |
| Weight (Kg) | 55 | |
| Discharge Voltage (V) | 47 | |
| Charge Voltage (V) | 55 | |
| Charge | Max.Current / Power | 120A / 6.144kW |
| Discharge | Max.Current / Power | 150A / 7.68kW |
| Recommend Current / Power | 64A / 3.276kW | |
| Communication | RS232, RS485, CAN, WIFI (Optional), Bluetooth (Optional) | |
| Depth Of Discharge(%) | 0.95 | |
| Expansion | Up to 32 units in parallel | |
| Working Temperature | Charge | 0~55℃ |
| Discharge | -20~55℃ | |
| Storage Temperature | 0~35℃ | |
| Cooling Type | Nature | |
| Protection Level | IP20 | |
| Warranty | 5 Years | |
| Design Life | >10 Years (25℃ / 77°F) | |
| Cycle Life (25±2℃) | >6000 cycles | |
| Certification &Safety Standard | CE / IEC62619 / UN38.3 | |
