Felicity Solar FLB48100WG1 LiFePO4 Battery Pack

Solar Battery and Lithium Battery StorageModel FLB48100WG1

Felicity Solar FLB48100WG1 51.2V 5.12kWh LiFePO4 Battery

A 48.5 kg wall- or floor-mounted 51.2 V block holding 5.12 kWh at 100 Ah, the FLB48100WG1 sits behind an IP65 lid and reaches 163.84 kWh once 32 units are paralleled.

  • Nominal Energy: 5.12 kWh
  • Nominal Capacity: 100 Ah
  • Nominal Voltage: 51.2 V
  • Cycle Life: ≥6000

Models in the FLB48100WG1 – FLB48314TG1 family

What sets the FLB48100WG1 apart from the other 3 models in the family: Cycle Life ≥6000; Max Continuous Charge/Discharge Current 100 A; Max System Capacity 163.84 kWh; Nominal Capacity 100 Ah; Nominal Energy 5.12 kWh; Peak Charge/Discharge Current (15 s) 150 A; Recommended Charge/Discharge Current 50 A; Installation Wall-Mounted, Floor-Mounted.

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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 265
  • 5-year warranty
Full SpecificationsDownload datasheet (PDF)

Felicity Solar FLB48100WG1 51.2V 5.12kWh LiFePO4 Battery features

  • 5.12 kWh of stored energy at a 100 Ah nominal capacity and 51.2 V nominal, in a 48.5 kg enclosure.

  • Cycle life rated at ≥6000; depth of discharge is a separate rating, published at >95%.

  • A three-step current ladder: 50 A recommended, 100 A continuous maximum, 150 A peak held for 15 seconds.

  • Thirty-two FLB48100WG1 units in parallel take one bank to a maximum system capacity of 163.84 kWh.

  • IP65 enclosure charging from 0 °C to 55 °C and discharging from -20 °C to 55 °C, at 5-95% humidity and below 2000 m.

  • Built-in smart BMS with breaker and fuse, LED status, CAN and RS485; 650×174×450 mm bare, 752×253×552 mm packed.

About the Felicity Solar FLB48100WG1 51.2V 5.12kWh LiFePO4 Battery

The Felicity Solar FLB48100WG1 is a 51.2 V LiFePO4 battery holding 5.12 kWh at a 100 Ah nominal capacity, rated for ≥6000 cycles, with depth of discharge published as a separate rating of >95%; thirty-two units run in parallel for a maximum system capacity of 163.84 kWh. Current is specified as a ladder: 50 A recommended in normal service, 100 A as the continuous maximum, and 150 A held for 15 seconds on peak. The voltage window runs from a 44.8 V cut-off to a 57.6 V maximum charging voltage. Charging is permitted from 0 °C to 55 °C and discharging from -20 °C to 55 °C, with storage at 0 °C to 35 °C, relative humidity of 5-95% and altitude below 2000 m. A built-in smart BMS, a breaker and a fuse sit inside the IP65 enclosure, an LED reports state and CAN and RS485 carry the data out. The unit measures 650×174×450 mm at 48.5 kg; its package is 752×253×552 mm at 53 kg. It is certified to UN38.3 and carries a 5 Years warranty. We are an authorised Felicity Solar distributor and supply the FLB48100WG1 from our own stock.

Specifications last updated 17 August 2026

Felicity Solar FLB48100WG1 51.2V 5.12kWh LiFePO4 Battery full specifications

Electrical(15)

Battery TypeLiFePO4
Cut-Off Voltage44.8 V
Cycle Life≥6000
Depth of Discharge>95 %
Max Charging Voltage57.6 V
Max Continuous Charge/Discharge Current100 A
Max Parallel Units32
Max System Capacity163.84 kWh
Nominal Capacity100 Ah
Nominal Energy5.12 kWh
Nominal Voltage51.2 V
Operating Voltage44.8-57.6 V
Peak Charge/Discharge Current (15 s)150 A
ProtectionBuilt-in Smart BMS, Breaker, Fuse
Recommended Charge/Discharge Current50 A

Mechanical(5)

CommunicationCAN, RS485
Display TypeLED
InstallationWall-Mounted, Floor-Mounted
Package Dimensions752 x 253 x 552 mm
Package Weight53 kg

Environmental(6)

Charging Temperature Range0-55 °C
Discharging Temperature Range-20 to 55 °C
Humidity Range5-95 %
Operating Altitude<2000 m
Protection DegreeIP65
Storage Temperature Range0-35 °C

Certifications(1)

  • UN38.3

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

How much energy does the FLB48100WG1 store?

5.12 kWh, at a 100 Ah nominal capacity and 51.2 V nominal. Depth of discharge is a separate rating and is published at >95%.

How many FLB48100WG1 units can run in parallel?

32 is the maximum parallel count, which takes the maximum system capacity to 163.84 kWh from a 5.12 kWh building block.

What charge and discharge current does the FLB48100WG1 take?

100 A is the maximum continuous charge and discharge current, 150 A is the peak held for 15 seconds, and 50 A is the recommended working current.

What temperature and altitude limits apply to the FLB48100WG1?

0 °C to 55 °C on charge and -20 °C to 55 °C on discharge, with storage at 0 °C to 35 °C, relative humidity of 5-95% and altitude below 2000 m.

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