The Growatt HOPE 5.5L-A1 is a 51.2V rack-mounted lithium iron phosphate battery for compatible low-voltage energy-storage systems. It provides 5.5kWh rated energy, 5.12kWh usable capacity and integrated BMS protection.
Official Growatt HOPE 5.5L-A1 product image.
Growatt HOPE 5.5L-A1 Key Features
5.5kWh rated energy and 5.12kWh usable capacity
51.2V nominal voltage with 40–58.4V operating range
Up to 100A continuous charge and discharge at 25°C
Up to 12 battery packs in parallel for compatible systems
CAN and RS485 inverter communication
Rack-mount design with stackable bracket support documented in the manual
Integrated BMS protection for voltage, current, temperature and short-circuit conditions
Cobalt-free LiFePO4 chemistry with natural cooling
Growatt HOPE 5.5L-A1 Technical Specifications
Model
HOPE 5.5L-A1
Battery chemistry
Lithium iron phosphate / LFP
Rated energy
5.5kWh
Usable capacity
5.12kWh
Rated capacity
106Ah
Nominal voltage
51.2V
Operating voltage
40–58.4V
Maximum continuous charge current
100A at 25°C
Maximum continuous discharge current
100A at 25°C
Peak discharge
120A for 3 seconds
Maximum output pulse
300A for 10 milliseconds
Depth of discharge
Up to 93%
Cycle life
More than 6,000 cycles at 25°C / 0.2C
Parallel connection
Up to 12 battery packs
Communication
CAN / RS485
Dimensions (W/D/H)
440 × 540 × 130.5mm
Weight
45 ± 1kg
Protection rating
IP20
Peak and pulse current figures are time-limited ratings, not continuous output. Confirm inverter compatibility, firmware and warranty terms before ordering.
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