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Car start and stop power

Products Detail

Car start and stop power

The company's newly developed lithium iron phosphate power car start and stop power battery,

With powerful explosive power and instant start capability,

It is excellent in super large rate performance above 50C discharge.
Product description

The company's newly developed lithium iron phosphate power vehicle start-stop power supply battery has powerful explosive force and instant start capability, and it is excellent in super large rate performance above 50C discharge.

 

img
4AH Battery test data
VoltageV Magnification Discharge capacitymAh Capacity retention rate%
Till
2.5V
1C 3810 100.0
Till
2.0V
50 3699 97.1
60 3674 96.4
70 3648 95.7
80 3599 94.5

 

(Special rate requirements, can be customized according to customer needs)

 

The cycle life can reach more than 7 years, in line with the national low carbon, energy saving, environmental protection value concept, and the cost performance is also very high.

IMG

Has a wide temperature range: -40 ° C ~ +80 ° C, this situation has the ability to discharge normally.

 

Low temperature large rate (-30 °C) 18C discharge can release 97.2% of the nominal capacity

img
Single 8Ah battery
VoltageV
Magnification
Discharge capacitor
Capacity retention
Till 2.5V
1C
8024
100.0
Till 1.5V
-30℃ 3C
7093
88.4
Till 1.5V
-30℃ 18C
7799
97.2

 

(Figure 1: low temperature large rate discharge)

 

Low temperature rate (-40 ° C) 5C discharge can release 93.3% of the nominal capacity

 

img
Single 8Ah battery
VoltageV
Magnification
Discharge capacitor
Capacity retention
Till 2.5V
1C
8024
100.0
Till 1.5V
-30℃ 3C
7093
88.4
Till 1.5V
-30℃ 18C
7799
97.2

 

(Figure 2: low temperature rate discharge)

 

Low temperature cold start performance can reach 30% SOC (-30 ° C) state discharge

 

 
img

48V  -30°30%  SOC Cold start test data

Work step

Discharge rate C

Time S

The first week

The second week

The third week

 

 

 

Capacity

Voltage

Capacity

Voltage

Capacity

Voltage

Pulse discharge

15.6

0.5

/

1.967

/

1.898

/

1.724

Pulse discharge

10.5

4

92

1.88

92

1.826

92

1.803

Pulse shelving

/

10

/

3.061

/

3.009

/

2.968

(Figure 3: -30 degrees 30% discharge in SOC state)

 

Excellent low-temperature start-up performance, cold start can still be achieved under low power conditions, and lithium iron phosphate power battery can basically achieve stable working ability in all weather.

 

Regardless of the high temperature or low temperature, the service can be customized according to the demand data.

 

High-temperature storage capacity, 48 hours of storage at +85°C


The capacity recovery rate is over 90%. Thickness expansion ratio≤5% 。

 

 

Test content
Before high temperature
After high temperature
1C Capacity
Internal resistance
Battery thickness
Internal resistance
Battery thickness
First capacity
Capacity retention rate
Cycle three-week capacity
Capacity recovery rate
Internal resistance after capacity recovery
Expansion ratio
85°
24H
5006
1.07
7.01
1.15
7.22
4829
100
4891
97.7
1.15
3.0
85°
24H
5005
1.07
7.0
1.2
7.2
4626
93.16
4728
94.5
1.23
2.86

 

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