Energy storage batteries

BT-20.992 kWh 51.2V Wheeled LiFePO4 Battery

This model provides a fixed 20.992 kWh unit capacity for buyers who need more storage per battery while retaining a 51.2V architecture. Parallel design, communication and site logistics must be checked before quotation.

Request BT-20.992 kWh Battery Matching & Quote
Back to Lithium Batteries
BT-20.992 kWh lithium-ion battery (with wheels)BT-20.992 kWh lithium-ion battery (with wheels)
BAT

Project supply details

The BT LFP lithium battery series is designed for strong performance, capacity and reliability. It uses advanced high-power battery technology for commercial and sensitive environments that require longer cycle life. BT LFP lithium batteries are widely used in industrial, residential, commercial and private applications, including solar and renewable energy storage, electric vehicles, golf carts, industrial equipment, ground machinery, forklifts, aerial work platforms, robotics, marine, RV, mobile medical equipment, telecom, broadband, cable TV and UPS systems. High-rate LiFePO4 cells are used, with cycle life exceeding 8000 cycles.

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

Model Range
BT-20.992 kWh lithium-ion battery (with wheels)
Battery chemistry
LiFePO4 battery / Charge/discharge efficiency / >99.5%(1C,25C)
Nominal voltage
51.2V / Monthly self-discharge / <3%
Request Quote

20.992 kWh Capacity in One 51.2V Battery

  • 20.992 kWh, 51.2V and 410Ah fixed configuration.
  • Current specifications list up to 16 units in parallel and more than 8,000 cycles.
  • Wheeled floor-standing enclosure with listed dimensions of 300 × 820 × 585 mm.
  • Approximate unit weight of 160 kg for transport and site-access planning.

Applications for the BT-20.992 kWh Battery

  • Shop and office commercial backup
  • Larger residential energy storage
  • Distributor medium-to-high-capacity battery supply

Core specifications

Model RangeBT-20.992 kWh lithium-ion battery (with wheels)
Battery chemistryLiFePO4 battery / Charge/discharge efficiency / >99.5%(1C,25C)
Nominal voltage51.2V / Monthly self-discharge / <3%
Rated capacity410Ah / Maximum parallel connection / 16 units
System configuration

BT-20.992 kWh lithium-ion battery (with wheels) technical details

Battery Specifications

Battery chemistry
LiFePO4 battery / Charge/discharge efficiency / >99.5%(1C,25C)
Nominal voltage
51.2V / Monthly self-discharge / <3%
Rated capacity
410Ah / Maximum parallel connection / 16 units
Energy
20992Wh / Series connection / Not allowed
Dimensions (W x L x H)
300*820*585mm / Cycle life (1C, 25C, 100% DOD) / >8000 cycles
Weight
160.0KGS / 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

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)

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

How is the 20.992 kWh capacity calculated?

Current data lists 51.2V and 410Ah, corresponding to a nominal energy value of 20,992Wh.

Is this the same product as the 10–15 kWh wheeled series?

No. It is a separate fixed-capacity model rated at 20.992 kWh and 410Ah.

Can the wheels replace transport equipment?

No. The unit weighs approximately 160 kg. Its wheels support final positioning, while transport and unloading require separate planning.

滚动至顶部