• Power Wall 5KW

  • Power Wall 5KW

  • Power Wall 5KW

  • Power Wall 5KW

  • Power Wall 5KW

Power Wall 5KW

Power wall 5kw is designed and manufactured by a&s power technology co., ltd., including bms.it is composed of 15 series cells. it is suitable for load equipment with operating current less than or equal to 100a.

Product Description

Product Description

1. Product overview

This product is designed and manufactured by A&S Power Technology Co., Ltd., including BMS.It is composed of 15 series cells. It is suitable for load equipment with operating current less than or equal to 100A.

2. Product specification

This type of product is 48V100AH battery pack, with communication function (RS232+ double RS485) and display screen, with continuous flow of 100A protection plate and copper bar.

2.1 General technical parameters of battery pack

No.ItemGeneral ParameterRemark
1Combination method15S
2Rated CapacityTypical   100Ah
Minimum   100Ah
Standard dischargeafter Standard
 
 charge(package)
3Nominal Voltage48VMean Operation Voltage
4Voltage at end of
Discharge
42VDischarge Cut-off Voltage
5Charging Voltage54.75V
6Internal Impedance≤80mΩ (The   value will be adjusted depend on different batteries and PACK scheme )≤150mΩ(Measure internal resistance by AC method in semi-electric state)
7consistencyCharge terminal monomer pressure difference (cell pressure difference at 3.65V)≤300mVRecorded the maximum differential pressure of 3.65V in a single section of charging
8Discharge terminal monomer pressure difference (2.8V monomer under-voltage protection or total pressure 42V under-voltage protection) ≤250mVRecorded the instantaneous pressure difference of up to 2.8V in the single section of the discharge
9Standard chargeConstant Current20A Constant Voltage 54.75V 0.02CA cut-offCharge time : Approx6 h
10Standard dischargeConstant current:50A end voltage 42V
11Maximum Continuous
Charge Current
100A
12Maximum Continuous
Discharge Current
100A
13Operation Temperature
Range
Charge: 0~45℃
Discharge: -20~60℃
60±25%R.H. Bare Cell
14Storage temperature rangeLess than December: -20~25℃
Less than 3 months: -20~40℃
Less than 7 days: -20~60℃
60±25%R.H. at the shipment state
15Dimensions555*375*143Outer dimensions of the chassis, excluding mounting ears and wiring terminals
16Weight37 kg≤
17Shipped product charge50%-60% battery volume delivery
18Package materialCarton + wooden fumigation

2.2 The box structure drawing(L*W*H555*375*143mm)

Specifications of the terminals for positive and negative poles passing through the wall: four in and four out/disconnected in the middle;

Schematic diagram of the front panel of the lithium battery pack with display (other contents on the silkscreen are confirmed according to order changes)

3.png

BMS

Battery management system description

BMS design for 15 series lithium iron phosphate battery pack

The BMS system has the following features

With 100A continuous over-current capability, with communication function (RS232 and dualRS485 communication), overcharge protection function, over discharge protection function, over current protection function, short circuit protection function, equalization function, alarm function;

ItemsDetailsStandard
Cellovercharge protectionOvercharge detection voltage3.65±0.05V
Overcharge alam voltage3.6±0.05V
Overcharge release voltage3.6±0.05V
Cellover-discharge protectionOver-discharge detection voltage2.8±0.1V
Over-discharge alam voltage
Over-discharge release voltage3±0.1V
Cellovercharge protectionOvercharge detection voltage54.75±0.1V
Overcharge detection alam voltage54±0.1V
Overcharge release voltage53.30±0.1V
Cellover-discharge protectionOver-discharge detection voltage42±0.1V
Over-discharge detection alam voltage
Over-discharge release voltage45±0.1V
Over-current protectionDischarge Over-current protection current1125A
Discharge Over-current detection delay time 11s
Discharge Over-current protection current2130A
Discharge Over-current detection delay time2≤100ms
Charge OC protection current125A
Short protectionShort protection current350A
Protection conditionLoad short
Detection delay time≤800us
Protection release conditionDisconnected load
Temperature(T) protectionCharge high T protection65±5℃
Charge high T recover55±5℃
Discharge high T protection75±5℃
Discharge high T recover65±5℃
Charge low T protection-20±5℃
Charge low T recover-1±5℃
Discharge low T protection-25±5℃
Discharge low T recover-20±5℃
BalanceBalance threshold voltage3.50V

BMS size and physical drawing:

Dimension(L*W*T≤300mm*100mm*50mm),The picture is as follows:

(Main board size drawing):

图片5.png

Attention:The BMS carries only a bunch of B+(with banana pin),P-,B-bolt,collecting line(the length is different due to different pack)

Test

(Test condition) 48V100AH    

Unless otherwise specified,all tests are performed under the following conditions(standard test condition):

The environment temperature:25±5℃(If the surrounding temperature < 20℃,the battery should be stood more than 5H on the condition of 20℃ or higher,and test again.

The environment humidity: 30%~80%
The atmospheric pressure:86kpa~106kpa

The battery pack standard charge and discharge

Standard charging: Charge the battery pack with 20A current and constant voltage to the cut-off voltage of 54.75V and cut-off current of 0.02C (0.4A);
Standard discharge: The battery is continuously discharged to the cut-off voltage of 42V with a current of 50A;

Qualified capacity:100Ah


Electrical&safety&mechanical performance test

(The items not mentioned in the table conform to: YD/T2344.1-2011 "Lithium Battery Pack for Communication -- Part 1: Integrated Battery Pack" and "Lithium iron phosphate Battery for QB-H-005-2012 Communication Base Station" standard of China Mobile Communication Enterprise)


Electrical performance test

Test itemTest methodTechnical requirement
Discharge capacityUnder  the standard  test  condition,the  pack  is charged to the standard,and discharged at 0.1C,and recorded the capacity.≥100% standard
capacity
Discharge capacity at -20℃After standard charging of the battery pack,storage for  8H  at -20±2℃,  discharge  at  0.1C to  the  end voltage,and record the discharge capacity.≥65% standard capacity

 (Without BMS)
Discharge capacity at 55℃After standard charging of the battery pack,storage for  8H  at  55±2℃,  discharge  at  0.1C  to  the  end voltage,and record the discharge capacity.≥97% standard capacity
Charge retention(residual capacity)and capacity recoveryAfter  standard  charging  and  discharging  of  the
battery pack,record the initial capacity,then storage for 28 days at 15~35℃,then discharge and record the residual capacity;then record recovery capacity after standard charge and discharge.
Residual
capacity(charge

retention rate)≥95%;

Recovery

capacity≥97%
Cycle lifeDischarge the battery pack at 0.5C after standard charge,terminate  the  cycle  life  test  when  the discharge capacity is less than 80% of initial capacity.≥3500n times
Storage at 55℃ for 7 daysAfter  standard  charging  and  discharging  of  the battery pack,record the initial capacity;after standard charging  of  the  battery  pack,storage  for  7days  at 55±2℃,then  discharge  and  record  the  residual capacity;then record recovery capacity after standard charge and discharge;Residual capacity≥92%
Recovery capacity≥95%

Safety performance

Test itemTest methodTechnical requirement
Short circuitAfter standard charge and discharge the battery pack,placed it in  the  explosion-proof box,then short-circuit to the positive and negative electrodes outside the  battery with internal resistance   less   than   100100mΩ,record   the surface  temperature  of  the  battery  during  the test,short   circuit   duration   10min,that   is   the completion  of  the  test.Or  short  circuit  safety evaluation test with single cell.No fire,no explosion. (Test without protect circuit and shell)
Over- chargeAfter  standard  charge  and  discharge  of  the battery pack,charge a single cell of the pack at
0.2C  with  a  constant  current  and  voltage  to 5V,change  to  constant  voltage  charging,then complete the test until the cut-off current to 0A or the surface temperature is less than +10℃.
No fire,no explosion. (Test without protect circuit and shell)
Over- dischargeAfter  standard  charge  of  the  battery  pack,and continuously  discharge  it  at  0.5C  with  a  load meter,then complete the test until the voltage of a
single cell to 0~0.5V.
No fire,no explosion. (Test without protect circuit and shell)
Vibration1.The whole package to be shipped was placed on the vibration table, and the vibration was scanned back and forth with 10~90HZ for 5H, the scanning speed was 1HZ/S, and the vibration was scanned in front and back, up and down, and left and right sides respectively. Inspect internal and external package after vibration completion,and make a inspection and standard charge and discharge tests.
2.The battery pack was placed on the vibration table, and the vibration was scanned back and forth with 10~90HZ for 5H, the scanning speed was 1HZ/S, and the vibration was scanned in front and back, up and down, and left and right sides respectively. Inspect internal and external package after vibration completion,and make a inspection and standard charge and discharge tests.
1.Internal packaging components are not damaged, battery pack has no deformation and damage and any safety risks; discharge capacity ≥ 99% standard capacity
2.No deformation and damage on the outside of the battery back;discharge capacity ≥ 99% standard capacity




packing

Product packing requirements

Good appearance of the box, no scratches, paint drop, deformation, damage, etc.


The product label is attached directly under the LOGO,the bar code is left aligned below the product label,Stick firmly, information content is correct.

Silver label. An example of the label is as follows, if any changes are notified when an order is issued.

图片5.png

Label material:silver label paper,size(100*70mm)

Before packaging, the upper computer sets the forced dormant state    

After battery appearance inspection has passed, set PE bag    

The material and hardness of the outer carton can ensure the turnover and transportation safety,The information mark on the carton is the same as the following pictures;    

Note: The text on the outside of the carton is in English.    


storage and transportation

Product storage and transportation

Product storage

When the product is not used for a long time, please put it in a dry and ventilated place to avoid inflammable and explosive materials.Charge and maintain the battery pack regularly every three months to ensure the best performance of the battery.

Product transportation

The battery pack can only be transported after the external packaging. In the process of transportation, it should be prevented from violent shock, impact or extrusion, and from being exposed to the sun and rain.

Product usage consideration

Do not put the battery in water or wet it.

It is prohibited to charge and use the battery outside the temperature range specified by us. Do not store, charge and use this product near the source of fire or heat source.

When the battery pack smells or leaks,you should immediately stop using or stop charging, and move to open ventilation, away from the source of fire, in time to get in touch with us.

Do not connect the positive and negative poles to the opposite
side while the load is in use.

Do not short-circuit the positive and negative of the battery pack with a metal conductor.

Do not put the battery pack into the fire or heat it.

It is prohibited to dissect the battery pack artificially, to puncture the battery pack with nails or sharp objects, to knock the battery pack with hammers or other external forces, and to trample or drop the battery pack artificially.

Never put the battery pack into the microwave oven or pressure vessel.

If there is any abnormal phenomenon during charging or using, please stop charging and using immediately

Product the best temperature of 25± ℃,if the product is not in this temperature range during use, the discharge capacity will be reduced.    

In case of any malfunction or abnormality during use, please contact us and do not disassemble the battery pack without permission。    

Size

图片5.png

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