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Knowledge Base › Batteries

BSLBATT B-LFP48-300PW

Official manufacturer GLOBAL verified Sept. 22, 2026

Unresolved safety-relevant conflict
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.

Identity

category batteries
ean —
firmware {'documented_version': 'UNKNOWN', 'constraints': 'UNKNOWN'}
generation —
manufacturer BSLBATT
market_version 51.2V LiFePO4 Solar Wall Battery (PowerWall form factor)
model B-LFP48-300PW
mpn —
product_family B-LFP48 SERIES
product_status active
region GLOBAL
release_year —
series B-LFP48
sku —

Electrical

battery_voltage_class LV
BSLBATT B-LFP48-300PW datasheet (2407041)
bms —
bms_integrated True
BSLBATT B-LFP48-300PW datasheet (2407041)
capacity_ah 300
BSLBATT 48V 300Ah LiFePO4 15kWh Battery for Residential ESS (B-LFP48-300PW)
cell_chemistry LiFePO4
cell_configuration 16S1P
BSLBATT 48V 300Ah LiFePO4 15kWh Battery for Residential ESS (B-LFP48-300PW)
chemistry LiFePO4
BSLBATT B-LFP48-300PW datasheet (2407041)
communication RS232, RS485, CAN, WIFI(Optional), Bluetooth(Optional)
depth_of_discharge_pct 90
expandable_to_kwh —
max_charge_current_a 240A / 12.288kW
max_charge_power_w —
max_discharge_current_a 300A / 15.36kW
max_discharge_power_w 15360
max_parallel_units 32
BSLBATT B-LFP48-300PW datasheet (2407041)
modules_per_stack —
nominal_capacity_kwh 15.36
BSLBATT B-LFP48-300PW datasheet (2407041)
nominal_energy_kwh 15.36 kWh
nominal_voltage_v 51.2
official_manual_url https://bslbatt.com/wp-content/uploads/2024/08/B-LFP48-User-Manual-V2.7-Powerwall-Battery.pdf
BSLBATT Powerwall Battery User Manual V2.7
operating_voltage_max_v 55
BSLBATT B-LFP48-300PW datasheet (2407041)
operating_voltage_min_v 47
BSLBATT B-LFP48-300PW datasheet (2407041)
parallel_supported True
BSLBATT B-LFP48-300PW datasheet (2407041)
parallel_units_max Expansion up to 32 units in parallel
peak_discharge 400A / 20.48kW, 1s
round_trip_efficiency_pct —
usable_energy_kwh 13.824
voltage_range_v 47-55 V

Physical / mechanical

ac_terminal —
cooling —
dc_connector —
depth_mm —
dimensions_mm 950*600*190
display —
enclosure_material —
height_mm —
mounting wall-mount (PW)
noise_db —
weight_kg 130.0
width_mm —

Installation

cable_requirements —
commissioning —
installation_angle —
mounting_clearances —
torque —

Environment

ingress_protection IP20
max_altitude_m —
operating_temperature_c 0~55
pollution_degree —
protective_class —
relative_humidity_pct —
storage_temperature_c —

Interfaces & connectors

app —
communication ['RS232', 'RS485', 'CAN', 'WiFi (optional)', 'Bluetooth (optional)']
communications ['RS232', 'RS485', 'CAN']
BSLBATT B-LFP48-300PW datasheet (2407041)
dry_contact —
meter_interface —
monitoring_portal —
protocols []

Protection

anti_islanding —
arc_fault —
dc_switch —
insulation_monitoring —
overvoltage_category —
rcmu —
reverse_polarity —
surge_protection_ac —
surge_protection_dc —

Warranty & service

conditions Cycle life >6000 cycles, 25℃ (as printed)
extension_options —
standard_years 10

Documents

datasheet B-LFP48 SERIES - 51.2V LiFePO4 Solar Wall Batteries rev UNKNOWN (copyright 2024)
datasheet BSLBATT B-LFP48-300PW datasheet (2407041)
manual BSLBATT Powerwall Battery User Manual V2.7
product-page BSLBATT 48V 300Ah LiFePO4 15kWh Battery for Residential ESS (B-LFP48-300PW)

Recorded conflicts

max_continuous_discharge_current_a Review required
300 —
200 —
max_continuous_charge_current_a Review required
240 —
150 —
160 —
max_continuous_discharge_current_a Review required
300 —
200 —
max_continuous_charge_current_a Review required
240 —
150 —
160 —
usable_capacity_kwh Review required
13.824 —
14.592 —
electrical.nominal_voltage_v Resolved — accepted incoming value
51.2 V — stored value
51.2 — Nominal Voltage 51.2 V
Detected during import v1-freeze-2026-09-batch01
usable_capacity_kwh Review required
13.824 —
14.592 —

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

Cell & Method16S1P / 16S2P / 16S1P across the three columns
Cell Configuration (B-LFP48-300PW column)16S1P
Charge—Rate Current/Power150A/7.68kW