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PowerTech Systems PowerBrick 48V-105Ah

The PowerTech Systems PowerBrick 48V-105Ah is a battery pack with a nominal voltage of 51.2 V, a nominal capacity of 105Ah, a capacity of 105 Ah, LiFePO4 cells, certification to CE, RoHS, UN 38.3, a peak of 200 A and a weight of 36.5 kg.

Last updated: 30 October 2026

Battery and charging

Capacity (amp-hours)
105 Ah

“Nominal voltage / Nominal capacity 51.2V / 105Ah”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Energy (kilowatt-hours)
5.38 kWh

Row from the maker’s page: “Stored energy” | “5.38 kWh”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Cells
Prismatic

Row from the maker’s page: “Type of cells” | “Prismatic”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Voltage
51.2 V

“Nominal voltage / Nominal capacity 51.2V / 105Ah”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Chemistry
LiFePO4

“48V battery pack - Lithium Iron-Phosphate (LiFePO4) - 105Ah”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Rated charge cycles
>3000

Row from the maker’s page: “Cycles” | “>3000 cycles (see chart)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Case material
ABS

Row from the maker’s page: “Casing material” | “ABS”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Internal resistance
≤ 50 mΩ

Row from the maker’s page: “Internal resistance” | “≤ 50 mΩ”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Nominal capacity
105Ah

Row from the maker’s page: “Nominal voltage / Nominal capacity” | “51.2V / 105Ah”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Peak discharge
200 A

Row from the maker’s page: “Maximum discharge current (< 30s)” | “200 A (10.24 kW)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Continuous discharge current
120

Row from the maker’s page: “Continuous discharge current” | “120 A (6.14 kW)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

“Continuous discharge current 120 A (6.14 kW)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Pulse discharge current
500 A ± 50 A (max 280mS)

Row from the maker’s page: “Instant peak discharge current” | “500 A ± 50 A (max 280mS)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Maximum charge current, as the maker labels it
100 A

Row from the maker’s page: “Continuous charge current / Maximum charge current” | “50 A / 100 A”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

BMS charge cut-off voltage
59.2 V ± 0.4V

Row from the maker’s page: “BMS charge cut-off voltage” | “59.2 V ± 0.4V”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Efficiency
98 %

Row from the maker’s page: “Energy efficiency” | “98 %”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Charging voltage
57.6 V ± 0.8V

Row from the maker’s page: “Charge voltage” | “57.6 V ± 0.8V (Optional floating voltage : 53.44V max)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Float voltage
53.44V max

Row from the maker’s page: “Charge voltage” | “57.6 V ± 0.8V (Optional floating voltage : 53.44V max)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Voltage it cuts off at
40 V

Row from the maker’s page: “BMS discharge cut-off voltage” | “40 V”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

How fast it loses charge sitting idle
< 3% per month

Row from the maker’s page: “Self discharge” | “< 3% per month”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Battery care and safety

Ingress protection
IP 65

Row from the maker’s page: “IP protection level” | “IP 65”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Temperatures it may be charged in
0°C to +60°C

Row from the maker’s page: “Charge temperature range” | “0°C to +60°C”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Temperatures it may be run in
-20°C to +60°C

Row from the maker’s page: “Discharge temperature range” | “-20°C to +60°C”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Temperatures it may be stored in
0°C to +50°C

Row from the maker’s page: “Storage temperature” | “0°C to +50°C @60±25% relative humidity”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Size and fit

Weight
36.5 kg

“Dimensions L : 500mm (520mm) x W : 239mm x H : 217 mm Weight 36.5 kg”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Row from the maker’s page: “Weight” | “36.5 kg”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Overall dimensions
L : 500mm (520mm) x W : 239mm x H : 217 mm

Row from the maker’s page: “Dimensions” | “L : 500mm (520mm) x W : 239mm x H : 217 mm”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Length
500 mm

“Dimensions L : 500mm (520mm) x W : 239mm x H : 217 mm”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Width
239 mm

“Dimensions L : 500mm (520mm) x W : 239mm x H : 217 mm”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Height
217 mm

“Dimensions L : 500mm (520mm) x W : 239mm x H : 217 mm”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Terminals
M8 bolt

Row from the maker’s page: “Terminal” | “M8 bolt”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Series and parallel connection
up to 16 packs in parallel

“Flexible deployment : up to 16 packs in parallel”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Compatibility

Communication protocol
Bluetooth

“Bluetooth monitoring (SOC, cell voltage, SOH, etc.)”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Certification claims

Standard certified to
CE, RoHS, UN 38.3

“Certification : CE, RoHS, UN 38.3”

Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

Sources

  • Archived document

    Source: powertechsystems.eu/wp-content/uploads/specs/PowerBrick_PRO+_48V_105Ah_Lithium-Ion_battery.pdf

    Retrieved October 28, 2026