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LiFePo4磷酸铁锂电池

LiFePO4，Lithium Iron Phosphate的简写，也称为LFP。由于磷酸铁锂电池具有高能量密度，轻重量以及安全性能较好，目前已在许多应用中得到广泛使用，如小到小型消费类设备，大到重型工业机械类设备。

圆柱形磷酸铁锂电池

圆柱形电池由于易于使用和良好的机械稳定性而成为最广泛使用的锂离子电池之一。圆柱体可以承受高的内部压力而不会塌陷。 风云电池有限公司可根据客户要求生产多种尺寸和容量的圆柱型电池。这些电池主要用于电动汽车，高尔夫球车和电动工具产品。

Fengyun LiFePO4 battery characteristics

Shenzhen Fengyun Battery Co., Ltd. is one of the main manufacturers and suppliers of LiFePO4 batteries in China . Our batteries have many advantages, thanks to our superior technology and the most advanced manufacturing equipment, as well as a large investment in research and development.

1. Extremely long service life

Fengyun LiFePO4 battery has a long service life due to its excellent performance and reliable quality. In a temperature environment of 25°C and a depth of discharge of 80% , the product can provide at least 2500 lifetimes.

2. Lighter weight

Compared with lead-acid batteries and all other old technology batteries, LiFePO4 batteries are very light. Because of this characteristic, these batteries are popular batteries in the electric vehicle industry, and their performance is better than lead-acid batteries.

3. Environmental protection

Fengyun Battery uses high-quality materials to produce batteries. These LiFePO4 batteries do not contain any harmful substances, so they are completely environmentally friendly and recyclable batteries.

4. Wide temperature range -10℃ to 60℃

The operating temperature range is very wide, and it can be used under extreme temperatures. The normal operating temperature range is -10°C to +60 °C. These batteries can also be used as starting batteries in extremely cold temperatures.

5. Lower internal resistance

The internal resistance of these batteries is very low, which is very beneficial to their safety. It can provide large current on demand and keep the battery temperature at a normal level.

6. Maintenance-free                      

Generally, old technology batteries (such as lead-acid batteries) require regular maintenance, which adds extra cost to the battery system. Lithium iron phosphate batteries can be like lead-acid batteries and provide a maintenance-free solution.

Available Models Description

Regular Type Cylindrical LiFePO4 Battery

S No.

Battery Model

Nominal Voltage

Nominal Capacity

Dimension

Standard charge current

Quick charge current

Max cont. discharge rate

Max plus discharge rate

Weight Approx. (g)

Diameter

Height

(V)

(mAh)

(mm)

(mm)

1

IFR14500

3.2

600

14.2

50.2

0.5C

1.5C

1

1

19

2

IFR16340

3.2

500

16.2

34.2

0.5C

1.5C

1

1

18

3

IFR18500

3.2

1400

18.5

50.3

0.5C

1.5C

1

1

32

4

IFR18650

3.2

1400

18.5

65.5

0.5C

1.5C

1

1

40

5

IFR26650

3.2

2800

26.5

65.3

0.5C

1.5C

1

1

85

6

IFR26650

3.2

30000

26.5

65.3

0.5C

1.5C

1

1

85

7

IFR26650

3.2

3800

26.5

65.3

0.5C

1.5C

1

1

88

8

IFR32600

3.2

3700

32.5

60.5

0.5C

1.5C

1

1

125

9

IFR32900

3.2

5700

32.5

90.5

0.5C

1.5C

1

1

135

10

IFR42120

3.2

12000

42.5

120.5

0.5C

1.5C

1

1

390


High Drain Type Cylindrical LiFePO4 Battery

Item No.

Battery Model

Nominal Voltage

Nominal Capacity

Dimension

Charge Current

Quick Charge

Max Cont.

Discharge Rate

Max Plus Discharge Rate

Weight Approx. (G)

Diameter

Height

(V)

(mAh)

(mm)

(mm)

1

IFR14500-5C

3.2

450

14

50.5

0.5C

1.5C

5C

8C

21

2

IFR18500-5C

3.2

1000

18.5

50.5

0.5C

1.5C

5C

8C

32

3

IFR18650-15C

3.2

1100

18.5

65.5

0.5C

1.5C

15C

20C

42

4

IFR18650-5C

3.2

1400

18.5

65.5

0.5C

1.5C

5C

8C

40

5

IFR22650-15C

3.2

1600

22.5

65.5

0.5C

1.5C

15C

20C

60

6

IFR22650-5C

3.2

2100

22.5

65.5

0.5C

1.5C

5C

8C

60

7

IFR26650-15C

3.2

2200

26.5

65.5

0.5C

1.5C

15C

20C

76

8

IFR26650-5C

3.2

3000

26.5

65.5

0.5C

1.5C

5C

8C

76

9

IFR32600-15C

3.2

3000

32.5

65.6

0.5C

1.5C

15C

20C

125

10

IFR32600-5C

3.2

3500

32.5

65.6

0.5C

1.5C

5C

8C

125

11

IFR32900-15C

3.2

4500

32.5

90.5

0.5C

1.5C

15C

20

188

12

IFR32900-5C

3.2

5000

32.5

90.5

0.5C

1.5C

5C

8C

188

13

IFR42120-5C

3.2

12000

42.5

120.5

0.5C

1.5C

5C

8C

355

These are the performance graphs for the model MB-IFR26650 under these conditions.

Testing Condition:

Cell Voltage: 3.2 V

Capacity: 3800 mAh

Temperature: 25℃ (Room Temperature)

01.Charge and discharge curve

Charge: CC-CV 0.5C(max) 3.65V, cut-off at 25℃
Discharge: CC 0.5C, 2.4V Cut-off at 25℃

02.Different Rate Discharge Curve：

Charge: CC-CV 0.5C 3.65V, Cut-off at 25℃
Discharge: CC 1.0C, 2.5V, Cut-off at 25℃

03.Different Temperature Discharge Curve

Charge ≥ 25℃ Charge cut-off 2.0V, 1.0C
Discharge ≤ 10℃ Discharge cut-off at 2.5V 1.0C

04.Charge-Discharge Cycle Curve：

Charge: CC-CV 1C 3.65V, Cut-off at 25℃
Discharge: CC 1C, 2.5V, Cut-off at 25℃

Technical Specification

These are the technical specification of the Melasta cylindrical cell model IFR2665E with 3800mAh capacity. 

1. Electrical Characteristics

Nominal Voltage
3.2V

Nominal Capacity
3800mAh

Energy

12.16Wh

Internal Resistance
 ≤60mΩ

Cycle Life

>2000 cycles @0.2C 80%DOD

Months Self Discharge
 <3%

Efficiency of Charge

100% @0.5C
Efficiency of Discharge
96~99% @1C

2. Standard Charge

Charge Voltage
3.65V

Charge Mode

0.2C to 3.65V, then 3.65V,charge current to 0.02C5A (CC/CV)

Charger Current

760mA

Max. Charge Current
1.0C5A
Charge Cut-off Voltage

4.2±0.03V

3. Standard Discharge

Continuous Current
760mA

Max. Discharge Current
3.0C5A

Discharge Cut-off Voltage

2.5V
 

4. Environmental

Charge Temperature

0℃to 45℃(32F to 113F) @60±25% Relative Humidity

Discharge Temperature

-20℃to 60℃(-4F to 140F) @60±25% Relative Humidity

Storage Temperature

0℃to 40℃(32F to 104F) @60±25% Relative Humidity
Water Dust Resistance
/

5. Mechanical

Dimensions (mm.)

27.0*66.5mm MAX
Weight (g.)

Approx:92g



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