Felicity Solar FLB48100WG1 LiFePO4 Battery Pack

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
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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

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

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

Environmental

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

  • UN38.3

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