Felicity Solar FLA48500 25kWh LiFePO4 Battery Pack

Solar Battery and Lithium Battery StorageModel FLA48500

Felicity Solar FLA48500 51.2V 25kWh LiFePO4 Battery

A 500Ah LiFePO4 pack rated at 25kWh, the FLA48500 works best at a recommended 200A and 10000W, tops out at 250A continuous and peaks at 300A or 15000W.

  • Nominal Energy: 25 kWh
  • Nominal Capacity: 500 Ah
  • Nominal Voltage: 51.2 V
  • Cycle Life: >6000

Models in the FLA48100 – FLA48500 family

What sets the FLA48500 apart from the other 8 models in the family: Cycle Life >6000; Depth of Discharge ≥95 %; Max Charge/Discharge Power (15 s) 15000 W; Max System Capacity 375 kWh; Nominal Capacity 500 Ah; Nominal Energy 25 kWh; Peak Charge/Discharge Current (15 s) 300 A; Protection Built-in Smart BMS, Breaker, Fuse.

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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 1,240
  • 5-year warranty
Full SpecificationsDownload datasheet (PDF)

Felicity Solar FLA48500 51.2V 25kWh LiFePO4 Battery features

  • 500Ah of nominal capacity for 25kWh of nominal energy at 51.2V

  • Recommended working point of 200A and 10000W, below the 250A maximum continuous current

  • 300A peak for 15 seconds, rated at 15000W

  • Discharging temperature range of -20 to 60 °C and charging range of 0-55 °C

  • Cut-off voltage 44.8V and maximum charging voltage 57.6V, with a maximum system capacity of 375kWh from 15 parallel units

  • 218 kg product weight against a 248 kg packed weight in a carton of 825 x 498 x 1162mm

About the Felicity Solar FLA48500 51.2V 25kWh LiFePO4 Battery

The Felicity Solar FLA48500 is a floor-mounted LiFePO4 battery of 500Ah and 25kWh nominal energy on a 51.2V bus. It publishes a recommended working point as well as a limit: 200A and 10000W recommended, against a maximum continuous 250A, and a 15-second peak of 300A rated at 15000W. Depth of discharge is a separate rating at ≥95%, and cycle life is quoted above 6000 cycles. Charging runs 0-55 °C and discharging -20 to 60 °C. Cut-off voltage is 44.8V and maximum charging voltage 57.6V, inside a 44.8-57.6V operating range. Fifteen units give a maximum system capacity of 375kWh. Protection is a built-in smart BMS with breaker and fuse, rated IP21, with CAN and RS485 and an LCD and LED display. The unit weighs 218 kg; packed it weighs 248 kg in a carton of 825 x 498 x 1162mm. Warranty is 5 Years. We are an authorised Felicity Solar distributor and supply the FLA48500 from our own stock.

Specifications last updated 17 August 2026

Felicity Solar FLA48500 51.2V 25kWh LiFePO4 Battery full specifications

Electrical(17)

Battery TypeLiFePO4
Cut-Off Voltage44.8 V
Cycle Life>6000
Depth of Discharge≥95 %
Max Charge/Discharge Power (15 s)15000 W
Max Charging Voltage57.6 V
Max Continuous Charge/Discharge Current250 A
Max Parallel Units15
Max System Capacity375 kWh
Nominal Capacity500 Ah
Nominal Energy25 kWh
Nominal Voltage51.2 V
Operating Voltage44.8-57.6 V
Peak Charge/Discharge Current (15 s)300 A
ProtectionBuilt-in Smart BMS, Breaker, Fuse
Recommended Charge/Discharge Current200 A
Recommended Charge/Discharge Power10000 W

Mechanical(5)

CommunicationCAN, RS485
Display TypeLCD, LED
InstallationFloor-Mounted
Package Dimensions825 x 498 x 1162 mm
Package Weight248 kg

Environmental(3)

Charging Temperature Range0-55 °C
Discharging Temperature Range-20 to 60 °C
Protection DegreeIP21

Certifications(3)

  • UN38.3
  • CE-EMC
  • IEC 62619

Downloads & support

PDFThe manufacturer's sheet, to print or share

Troubleshooting & error codes

Looking up an error code on this FelicityESS FLA48500? Browse the full list of codes for this device, with the cause and recommended fix for each.

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Frequently Asked Questions

What capacity does the FLA48500 have?

500Ah of nominal capacity, giving 25kWh of nominal energy at a nominal 51.2V. Depth of discharge is a separate rating at ≥95% and cycle life is quoted above 6000 cycles.

What current should the FLA48500 be run at?

200A is the recommended charge and discharge current, equal to 10000W, while 250A is the maximum continuous figure and 300A the 15-second peak, rated at 15000W.

What temperatures can the FLA48500 work in?

-20 to 60 °C for discharging and 0-55 °C for charging, behind an IP21 protection degree.

How heavy is the FLA48500 and what does it ship in?

218 kg is the product weight and 248 kg the packed weight, in a carton of 825 x 498 x 1162mm. Warranty is 5 Years.

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