Energy storage batteries

BT Series 3.072–10 kWh Wall-Mounted LiFePO4 Batteries

BT wall-mounted batteries cover three small-storage capacities while reducing floor-space use. Select the system voltage and target capacity first, then confirm parallel quantity, communication and installation conditions.

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BT Wall-Mounted Lithium-Ion Battery Series
BAT

Project supply details

BT Wall-Mounted Lithium-Ion Battery Series for solar energy storage and project supply.

Suitable for solar energy storage, telecom backup, UPS systems, residential and commercial storage cabinets.

Model Range
BT-3.072KWH / BT-5.12KWH / BT-10KWH
Series
BT Wall-Mounted Lithium-Ion Battery Series
Battery Type
LiFePO4 lithium-ion battery
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Three Wall-Mounted Capacity Options

  • 3.072, 5.12 and 10 kWh capacity options.
  • 25.6V architecture for 3.072 kWh and 51.2V architecture for 5.12 and 10 kWh models.
  • Current specifications list up to 16 units in parallel and more than 8,000 cycles.
  • Wall-mounted format with listed weights of approximately 30, 45 and 85 kg.

Applications for BT Wall-Mounted Batteries

  • Home critical-load energy storage
  • Small-shop and office backup
  • Distributor wall-mounted battery portfolios

Core specifications

Model RangeBT-3.072KWH / BT-5.12KWH / BT-10KWH
SeriesBT Wall-Mounted Lithium-Ion Battery Series
Battery TypeLiFePO4 lithium-ion battery
System configuration

BT Wall-Mounted Lithium-Ion Battery Series technical details

BT-3.072KWH - Battery Specifications

Battery chemistry
LiFePO4 battery / Charge/discharge efficiency / >99.5%(1C,25C)
Nominal voltage
25.6V / Monthly self-discharge / <3%
Rated capacity
120Ah / Maximum parallel connection / 16 units
Energy
3072Wh / Series connection / Not allowed
Dimensions (W x L x H)
430*154*495mm / Cycle life (1C, 25C, 100% DOD) / >8000 cycles
Weight
30.0KGS / Discharge temperature / (-23 to 65)C
Terminal type
M6 / Charge temperature / (-3 to 65)C
Terminal torque
8.5NM / Storage temperature / (-20 to 65)C
Case material
Metal / Bluetooth app / Optional
Built-in BMS
Yes / LCD display / Optional
Internal resistance
<30mΩ / Heating function / Optional

BT-3.072KWH - Charge & Discharge Performance

Voltage display window
22.4-28.8V
Recommended charging voltage
28.8+/-0.20V
Maximum charging voltage
29.2+/-0.20V
Recommended charging current
20-40A
Maximum continuous charging current
100A
Recommended discharge voltage
22.4+/-0.20V
Maximum discharge voltage
22.4+/-0.20V
Maximum continuous discharge current
120A
Peak discharge current
120A(+3S)

BT-3.072KWH - BMS Protection & Communication

Primary charge protection
Current: 110A, , delay time: 20 seconds
Secondary charge protection
Current: 120A, , delay time: 10 seconds
Primary discharge protection
Current: 120A, , delay time: 10 seconds
Secondary discharge protection
Current: 160A, , delay time: 500 ms
Over-charge voltage protection
Voltage: 27.0-27.4V, , delay time: 1000 ms
Over-discharge voltage protection
Voltage: 21.6V, , delay time: 1000 ms
Temperature protection
PCB temperature≥95C recovery temperature ≤85C
Communication ports
Main RS485,OptionalCAN/Dryport,customization accepted

BT-5.12KWH - Battery Specifications

Battery chemistry
LiFePO4 battery / Charge/discharge efficiency / >99.5%(1C,25C)
Nominal voltage
51.2V / Monthly self-discharge / <3%
Rated capacity
100Ah / Maximum parallel connection / 16 units
Energy
5120Wh / Series connection / Not allowed
Dimensions (W x L x H)
430*170*566mm / Cycle life (1C, 25C, 100% DOD) / >8000 cycles
Weight
45.0KGS / Discharge temperature / (-23 to 65)C
Terminal type
M6 / Charge temperature / (-3 to 65)C
Terminal torque
8.5NM / Storage temperature / (-20 to 65)C
Case material
Metal / Bluetooth app / Optional
Built-in BMS
Yes / LCD display / Optional
Internal resistance
<30mΩ / Heating function / Optional

BT-5.12KWH - Charge & Discharge Performance

Voltage display window
44.8-57.6V
Recommended charging voltage
57.6+/-0.20V
Maximum charging voltage
58.4+/-0.20V
Recommended charging current
40A
Maximum continuous charging current
100A
Recommended discharge voltage
44.8+/-0.20V
Maximum discharge voltage
44.8+/-0.20V
Maximum continuous discharge current
100A
Peak discharge current
120A(+3S)

BT-5.12KWH - BMS Protection & Communication

Primary charge protection
Current: 110A, , delay time: 20 seconds
Secondary charge protection
Current: 120A, , delay time: 10 seconds
Primary discharge protection
Current: 120A, , delay time: 10 seconds
Secondary discharge protection
Current: 160A, , delay time: 500 ms
Over-charge voltage protection
Voltage: 54.0-54.8V, , delay time: 1000 ms
Over-discharge voltage protection
Voltage: 43.2V, , delay time: 1000 ms
Temperature protection
PCB temperature≥95C recovery temperature ≤85C
Communication ports
Main RS485,OptionalCAN/Dryport,customization accepted

BT-10KWH - Battery Specifications

Battery chemistry
LiFePO4 battery / Charge/discharge efficiency / >99.5%(1C,25C)
Nominal voltage
51.2V / Monthly self-discharge / <3%
Rated capacity
200Ah / Maximum parallel connection / 16 units
Energy
10000Wh / Series connection / Not allowed
Dimensions (W x L x H)
524*297*620mm / Cycle life (1C, 25C, 100% DOD) / >8000 cycles
Weight
85.0KGS / Discharge temperature / (-23 to 65)C
Terminal type
M6 / Charge temperature / (-3 to 65)C
Terminal torque
8.5NM / Storage temperature / (-20 to 65)C
Case material
Metal / Bluetooth app / Optional
Built-in BMS
Yes / LCD display / Optional
Internal resistance
<30mΩ / Heating function / Optional

BT-10KWH - Charge & Discharge Performance

Voltage display window
44.8-57.6V
Recommended charging voltage
57.6+/-0.20V
Maximum charging voltage
58.4+/-0.20V
Recommended charging current
100A
Maximum continuous charging current
200A
Recommended discharge voltage
44.8+/-0.20V
Maximum discharge voltage
44.8+/-0.20V
Maximum continuous discharge current
200A
Peak discharge current
220A(+3S)

BT-10KWH - BMS Protection & Communication

Primary charge protection
Current: 200A, , delay time: 20 seconds
Secondary charge protection
Current: 210A, , delay time: 10 seconds
Primary discharge protection
Current: 200A, , delay time: 10 seconds
Secondary discharge protection
Current: 210A, , delay time: 500 ms
Over-charge voltage protection
Voltage: 54.0-54.8V, , delay time: 1000 ms
Over-discharge voltage protection
Voltage: 43.2V, , delay time: 1000 ms
Temperature protection
PCB temperature≥95C recovery temperature ≤85C
Communication ports
Main RS485,OptionalCAN/Dryport,customization accepted

Questions before quotation

Which capacities are available in the BT wall-mounted range?

Current models are listed at 3.072, 5.12 and 10 kWh.

Do all three wall-mounted models use the same voltage?

No. The 3.072 kWh model is listed at 25.6V, while the 5.12 and 10 kWh models are listed at 51.2V.

Can multiple BT wall-mounted batteries operate in parallel?

Current specifications list up to 16 units in parallel. Final quantity must be checked against the system design, BMS and communication requirements.

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