Felicity Solar FLA48100UG1 5.12kWh LiFePO4 Battery Pack

Felicity Solar FLA48100UG1 51.2V 5.12kWh LiFePO4 Battery

A stacked 51.2 V LiFePO4 module rated at 5.12 kWh nominal energy, the FLA48100UG1 carries 100 A of continuous charge and discharge current and a 125 A peak held for 15 seconds.

  • Nominal Energy: 5.12kWh
  • Nominal Voltage: 51.2V
  • Operating Voltage: 44.8-57.6V
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Felicity Solar FLA48100UG1 51.2V 5.12kWh LiFePO4 Battery features

5.12 kWh of nominal energy on a 51.2 V nominal bus, operating across a 44.8-57.6 V window.

5,000 W of continuous charge and discharge power, with a 6,250 W peak held for 15 seconds.

100 A of continuous charge and discharge current, and a 125 A peak over the same 15-second window.

Depth of discharge rated above 95%, with 6,000 cycles quoted at 25°C±2°C, 0.5C/0.5C, 90% DOD and 70% EOL.

Up to 32 units in parallel, taking one stacked bank to 163.84 kWh.

43 kg net in a 575 × 483 × 133 mm IP21 enclosure with an LED display; warranty 5 Years.

About the Felicity Solar FLA48100UG1 51.2V 5.12kWh LiFePO4 Battery

The Felicity Solar FLA48100UG1 is a 5.12 kWh LiFePO4 battery module built on a 51.2 V nominal bus. It charges and discharges at 100 A continuous, or 5,000 W, peaks at 125 A and 6,250 W for 15 seconds, and stacks up to 32 units in parallel for 163.84 kWh in a single bank. Across a 44.8-57.6 V operating window the FLA48100UG1 is rated for a depth of discharge above 95%, a figure the record lists on its own row and separately from the 5.12 kWh nominal energy, so the two are read together rather than as one usable number. Cycle life is quoted as 6,000 cycles under the stated test conditions of 25°C±2°C, 0.5C/0.5C, 90% DOD and 70% EOL. The module installs stacked, weighs 43 kg net, and occupies 575 × 483 × 133 mm; the enclosure is rated IP21 and an LED display reports state locally. Warranty is 5 Years. We are an authorised Felicity Solar distributor and supply the FLA48100UG1 from our own stock.

Specifications last updated 17 August 2026

Felicity Solar FLA48100UG1 51.2V 5.12kWh LiFePO4 Battery full specifications

Electrical

Nominal Energy5.12kWh
Nominal Voltage51.2V
Operating Voltage44.8-57.6V
Max. Continuous Charge/Discharge Current100A
Peak Charge/Discharge Current (15s)125A
Max. Charge/Discharge Power5,000W
Peak Charge/Discharge Power(15s)6,250W
Depth of Discharge (DOD)>95%
ScalabilityMax. 32 pcs in Parallel(163.84kWh)
Protection LevelIP21
Cycle Life6,000 Cycles (25°C±2°C,0.5C/0.5C,90%DOD, 70%EOL)

Mechanical

Display TypeLED
InstallationStacked
Net Weight43KG
Gross Weight47KG
Product Dimension575X483X133MM
Package Dimension642X542X241MM

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