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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.

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.

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

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

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

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
Test content		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