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Shenzhen Topband Battery Co., Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, decicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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400AH Electric Battery Energy Storage System Canbus Communication

Shenzhen Topband Battery Co., Ltd
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Shenzhen Topband Battery Co., Ltd
Country/Region: China
Tel: 86-755-27651888-8008
Contact Person:
Mr Jerry Yang

400AH Electric Battery Energy Storage System Canbus Communication

Brand Name : Topband
Model Number : TB48400F-T110B
Certification : MSDS
Place of Origin : China
MOQ : 1pc
Price : Negotiable
Payment Terms : L/C, T/T
Supply Ability : 450Mwh/year
Delivery Time : 4weeks for samples; 6~8weeks for mass production
Packaging Details : standard export carton
Nominal Voltage : 48V
Typical Capacity : 400Ah
Nominal Charge Voltage : 58.4V
Discharge Cut-off Voltage : 40V
Max continuous Charge : 60A
Max continuous discharge : 100A
Peak Discharge Current : 350A
Work Temperature : -20℃ - 60℃ ( -4℉ - 140℉ )
Cycles Life@ 100% DOD : ≥2000
Weight : 333kg
Dimension : 800*600*1200mm
Material : Nano LiFePO4
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400AH Home Battery Storage Systems , Battery Electric Storage System Canbus Communication

1. General Information

This specification defines the performance of rechargeable LiFePO4 battery pack TB48400F-T110B manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.

2. Specification

Normal Specification
1Nominal Voltage51.2V
2Normal Capacity400Ah
3Internal Resistance≤20mΩ

Battery system info. Display

and communication

Support LCD display and RS485 communication, to display battery voltage, current, temp., SOC, etc.
Standard Charge
5Battery operation temperature range @charging0~45℃
6Normal charge voltage58.4±0.1V
7Recommended float charge voltage(for Standby use)55.6±0.1V
8Allowed MAX charge current100A@ Battery initial Temp 25±5℃
9Recommended charge current≤60A
Standard Discharge
10Battery operation temperature range @discharging-20~60℃
11Output voltage range40~58.4V
12Allowed discharge current300A withstand 10min @Battery initial Temp 25±5℃
13Pulse discharge current350A/20s
14Discharge cut-off voltage40V
Mechanical Characteristics
15DimensionDepth 800mm±3m
Width 600mm±3m
Height 1200mm±3m
16Dimension of battery box498*590*175.5mm
17Dimension of controller box482*422*177mm
18Total Weight333Kg±2kg
19Storage Temperature & Humidity RangeShort: within one month-20~35℃, 45~75%RH
Long: above one month-10~30℃, 45~75%RH
20Self-discharge rateResidual capacity≤3% per month; ≤15% per year
Reversible capacity≤1.5%per month; ≤8% per year

3. Electrical Characteristics & Test Condition.

@Ambient Temperature 25±5℃ & Humidity 45%~75%.

1Internal Impedance≤20mΩTest the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument.
2Nominal Capacity≥380AhRest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the discharge cutoff voltage.
3Short circuit protection/Not allowed.
4MAX charge Current100ACharging with this current for more than 0.5h and the added temperature of battery pack less than 20℃.
5MAX discharge Current150ADischarging with this current for more than 10min and the added temperature of battery pack less than 35℃.

Cycle life (DOD%100)

≥2000 cyclesDischarge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.33C)/CV mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

Discharge Temperature


-20℃≥70%At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage.

Charge Retention ability

remain capacity≥90%

Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage.

4. Circuit Protection

The batteries are supplied with a LiFePO4 Battery Management System (BMS)that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, over current, over heat, etc. It would cut off the battery input or output for protection once necessary. Overall, the BMS helps to ensure safe and accurate running.

Test itemContentCriterion
Over chargeOver-charge protection for each cell3.80±0.03V
Over-charge release for each cell3.60±0.05V
Over-charge release methodUnder the release voltage
Over dischargeOver-discharge protection for each cell2.50±0.05V
Over-discharge release for each cell2.80±0.05V
Over-discharge release methodRelease after charge
Over currentDischarge over current protection200~300A
Protection delay time20~40s
Over current release methodRelease after cutoff the load.



Battery Over temperatureProtection @65±5℃
Release @55±5℃
Over-charge protection for each cellProtection @-20±5℃
Release @-10±5℃

5. Dimensional Drawing

6. Installation

a,install the 4 battery boxes and controller box into cabinet in order;

b,connect the battery boxes and controller box with communication cables;

c,connect the battery boxes and controller box with power cables( the code of Anderson connectors are one-to-one correspondence)

7. Controller display panel

Product Tags:

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