
Solar Battery and Lithium Battery StorageModel FLS48100SG1
Felicity Solar FLS48100SG1 51.2V 5.12kWh LiFePO4 Battery
A 100 Ah LiFePO4 battery module rated 60 A continuous and 100 A peak for 15 s, expandable from one to eight units sharing a single 51.2 V bus.
- Nominal Energy: 5.12 kWh
- Nominal Capacity: 100 Ah
- Nominal Voltage: 51.2 V
- Cycle Life: >6000
Models in the FLS48050SCG1 – FLS48100SG1 family
- 2.56 kWh
- 5.12 kWh
What sets the FLS48100SG1 apart from the other model in the family: Max Continuous Charge/Discharge Current 60 A; Max Parallel Units 8; Max System Capacity 40.96 kWh; Module Nominal Capacity 100 Ah; Module Nominal Energy 5.12 kWh; Nominal Capacity 100 Ah; Nominal Energy 5.12 kWh; Recommended Charge/Discharge Current 50 A.
In stock
- Delivered within 3 business days, door to door, to every market we serve.
- Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
- Delivery charge: AED 250
- 5-year warranty
Felicity Solar FLS48100SG1 51.2V 5.12kWh LiFePO4 Battery features
60 A continuous charge and discharge, peaking at 100 A for 15 s, 50 A recommended for daily use
One to eight modules in parallel, taking a bank from 5.12 kWh to 40.96 kWh on one 51.2 V bus
Cells rated beyond 6000 cycles inside a 44.8 V to 57.6 V window, with cut-off at 44.8 V
Built-in smart BMS with breaker and fuse, an LCD control module, 4 LEDs per battery module and CAN and RS485 ports
46 kg floor-mounted module of 600 x 450 x 180 mm, rated IP21, charging from 0 to 55 °C
About the Felicity Solar FLS48100SG1 51.2V 5.12kWh LiFePO4 Battery
The Felicity Solar FLS48100SG1 is a 51.2 V LiFePO4 battery module holding 5.12 kWh, or 100 Ah, rated for 60 A continuous charge and discharge with a 100 A peak for 15 s. One to eight modules run in parallel, taking a bank to 40.96 kWh on the same 51.2 V bus. The cells are rated beyond 6000 cycles, with depth of discharge rated separately at ≥95%. The operating window runs 44.8 V to 57.6 V, with cut-off at 44.8 V, a charging ceiling of 57.6 V and 50 A as the recommended everyday current. A built-in smart BMS works with a breaker and a fuse; the control module carries an LCD and the battery module 4 LEDs, with CAN and RS485 ports for monitoring. The module measures 600 x 450 x 180 mm, weighs 46 kg, stands on the floor and travels in a 712 x 562 x 298 mm carton at 50 kg gross. Charge from 0 to 55 °C, discharge from -20 to 55 °C, 5-95% humidity, below 2000 m, rated IP21, stored at 0-35 °C. We are an authorised Felicity Solar distributor and supply the FLS48100SG1 from our own stock. Warranty: 5 Years.
Specifications last updated 17 August 2026
Felicity Solar FLS48100SG1 51.2V 5.12kWh LiFePO4 Battery full specifications
Electrical(21)
| Battery Type | LiFePO4 |
|---|---|
| Cut-Off Voltage | 44.8 V |
| Cycle Life | >6000 |
| Depth of Discharge | ≥95 % |
| Max Charging Voltage | 57.6 V |
| Max Continuous Charge/Discharge Current | 60 A |
| Max Parallel Units | 8 |
| Max System Capacity | 40.96 kWh |
| Module Nominal Capacity | 100 Ah |
| Module Nominal Energy | 5.12 kWh |
| Module Nominal Voltage | 51.2 V |
| Nominal Capacity | 100 Ah |
|---|---|
| Nominal Energy | 5.12 kWh |
| Nominal Voltage | 51.2 V |
| Operating Voltage | 44.8-57.6 V |
| Peak Charge/Discharge Current (15 s) | 100 A |
| Protection | Built-in Smart BMS, Breaker, Fuse |
| Recommended Charge/Discharge Current | 50 A |
| System Nominal Energy | 5.12-40.96 kWh |
| System Nominal Voltage | 51.2 V |
| System Operating Voltage | 44.8-57.6 V |
Mechanical(10)
| Battery Modules | 1-8 |
|---|---|
| Communication | CAN, RS485 |
| Control Module Dimensions | 600 x 450 x 180 mm |
| Control Module Weight | 46 kg |
| Display Type | Control Module: LCD, Battery Module: LED*4 |
| Installation | Floor-Mounted |
| Module Dimensions | 600 x 450 x 180 mm |
| Module Weight | 46 kg |
| Package Dimensions | 712 x 562 x 298 mm |
| Package Weight | 50 kg |
Environmental(6)
| Charging Temperature Range | 0-55 °C |
|---|---|
| Discharging Temperature Range | -20 to 55 °C |
| Humidity Range | 5-95 % |
| Operating Altitude | <2000 m |
| Protection Degree | IP21 |
| Storage Temperature Range | 0-35 °C |
Certifications(4)
- UN38.3
- CE-EMC
- CB
- IEC 62619
Downloads & support
Frequently Asked Questions
How much energy does the FLS48100SG1 store?
5.12 kWh, which is 100 Ah at a nominal 51.2 V. A depth of discharge of ≥95% leaves nearly all of it usable, and eight modules in parallel take a bank to 40.96 kWh.
What current can the FLS48100SG1 charge and discharge at?
60 A continuously, in either direction, with a 100 A peak for 15 s. The recommended everyday current is 50 A, inside an operating window of 44.8 V to 57.6 V with cut-off at 44.8 V.
How many FLS48100SG1 modules can run in parallel?
8 modules. The bank scales from one module at 5.12 kWh to eight at 40.96 kWh, all on the same 51.2 V nominal bus, with CAN and RS485 for communication.
How much does the FLS48100SG1 weigh and what warranty does it carry?
46 kg for a floor-mounted module of 600 x 450 x 180 mm. It ships in a 712 x 562 x 298 mm carton at 50 kg gross, is rated IP21, and the warranty is 5 Years.







