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The advantages of Lithium ion batteries for floor cleaning machine

Release time:2020-10-22

As the price of lithium batteries continues to fall, lithium batteries have begun to be used in scrubbers. By comparison, lithium batteries already have great advantages. The application of lithium batteries to replace lead-acid batteries in scrubbers is becoming more and more popular.


There advantages as follows:

·Cycle life more than 3000 cycles, long service life, and do not need change battery during the entire service life of ground clean machine.

·Flexible charge is available, such as charge during change water or rest. Don't worry about forgetting to charge or running out of battery.

·Maintenance free, Don't worry about charging during long time of storage.

·The price of the lithium ion battery is more competitive in the entire service life of the ground clean machine.


Comparison of lead-acid and lithium batteries

Item

Lead acid battery

Lithium ion battery(LFP)


  Service life


  300-500 cycles, about 2 year in average


  3000 cycles, same service life with machine


  Charge


  8-10 hours needed to full charge. Usually charge for whole night after end of   work. Frequent charge will shorten it`s service time.


  Only 1-2 hours needed to full charge. Flexible charge is available, such as   charge during change water or rest. Frequent charge does not affect its   service time.


  Working


  The voltage gradually decreases, the motor power gradually decreases, and the   work effect will decrease in the later stage, such as the cleaning is not clean.


  The voltage is stable and the working effect will not decrease.


  Energy output efficiency


  About 75%


  About 98%


  Unit price


  Assume 1


  About 2


  Total price of battery in whole service life of the machine


  Generally change the battery 3 times, the price is 3


  Solution 1. The capacity is 50% of the lead-acid battery capacity, which is   equivalent to 65% of the energy output of the lead-acid battery. It can be   charged at any time and without affecting actual use, the price is 1. The   entire life cycle cost is 1/3 of the lead-acid battery.


  Solution2. The capacity is 80% of the lead-acid battery capacity, which works   the same as a lead-acid battery, and the price is 1.6. The entire life cycle   cost is about 50% of the lead-acid battery.


  Maintenance


  Maintenance is necessary.  Charge every   1-3 months is necessary under long time of storage.


  Maintenance is unnecessary.  Self-discharge   less than 15% one year, and do not need charge during storage for one year.

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We designed and produced LFP batteries for floor cleaning machine, and got perfect feedback from the users.


  1. 24V 60Ah



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Technical parameter

Model: BP2460

Electrical Specification

Nominal Voltage

25.2V

Nominal Capacity

60Ah

Capacity @20A

3HR

Energy

1536Wh

Resistance

≤10mΩ

Efficiency

≥98%

Self Discharge

<3% per month

Cycle life

>3000 cycles @80% DOD

Charge specification

Standard charge

Constant current 15A. Constant voltage 29.2V, to charge current 3A   cut-off @25±2℃.

Standard charge time

Approx. 5h

Max. Charge current

60A

Charge Voltage cut-off

29.2V (1±0.2S)

Charge temperature

-20~55℃

Discharge specification

Max. Constant discharge

60A

Peak discharge current

120A (30S)

Max. peak discharge current

no less than 200 (5s)

Discharge voltage cut-off

20V

BMS discharge cut-off

18.4V

Short circuit protection

200-600μs

Discharge temperature

-30~60℃

Mechanical Specifications

Dimension(L*W*H)

330*175*220mm

Weight

15.8±0.2kg

Terminal Type

M6 or M8 screw

Case Material

Metal

Enclosure protection

IP66

Combination method

8S2p

Total cells

16 pieces


Photo of details

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2. 24V 100Ah

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Technical parameter

Model

BP24100

Electrical Specification

Nominal Voltage

25.2V

Nominal Capacity

100Ah

Capacity @33.3A

3HR

Energy

2560Wh

Resistance

≤15mΩ

Efficiency

≥98%

Self-Discharge

<3% per month

Cycle life

>3000 cycles @80% DOD

Charge specification

Standard charge

Constant current 25A. Constantan voltage 29.2V, to charge current 5A   cut-off @25±2℃.

Standard charge time

Approx. 5h

Max. Charge current

100A

Charge Voltage cut-off

29.2V (1±0.2S)

Charge temperature

-20~55℃

Discharge specification

Max. Constant discharge

100A

Peak discharge current

200A (30S)

Max. peak discharge current

no less than 300 (5s)

Discharge voltage cut-off

20V

BMS discharge cut-off

18.4V

Short circuit protection

200-600μs

Discharge temperature

-30~60℃

Mechanical Specifications

Dimensions(L*W*H)

To be confirmed by the buyer

Weight

About 24.5±0.5kg

Terminal Type

M8 screw

Case Material

Metal

Enclosure protection

IP66

Combination method

8S1P

Total cells

8 pieces (LFP 100Ah cell)


Photo of details

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