Lithium Iron Phosphate (LiFePO4) Cylindrical Cells

Melasta Lithium Iron phosphate (LiFePO4) cells are one of the best qualities cells available in the market with these technological features  

1. High Capacity of single cells upto 6500 mAh. 
2. Multiple Shapes with 14500, 18650, 26650, and 32600.
3. Wide Discharge rate range from 1C to 15C. 
4. Wide range of operating temperature from -20 to 60.
5. Low-temperature technology cells excellent performance upto -40.
6. Ultra Long Cycle Life 2500 Cycles @ 80% remaining Capacity. 

LiFePO4 Chemistry

LiFePO4 is the formula name of Lithium Iron Phosphate, also known as LFP. The nominal voltages of this battery chemistry are 3.2V. It replaced other battery technologies because of its technological advancement and safety features. This latest technology is being used in a number of application from small devices consumer devices to heavy duty industrial machines. These cells have high density and light weight which enable this technology to use in multiple devices.

Lithium Iron Phosphate Cylindrical Cells

Cylindrical cells one of the most widely used lithium ion battery shapes due to ease to use and good mechanical stability. The tubular cylindrical shape can withstand high internal pressures without collapsing. Melasta produces multiple sizes and capacities according to the customer requirement. These cells are mostly used in Electrical vehicles such as golf cart and in power tools.

Salient Features of Melasta LiFePO4 Battery

Melasta is one of the main producer and supplier for LiFePO4 batteries in China. Our batteries have the features due to our superior technologies and state of the art manufacturing facilities and investment on research and development.

1. Very long cycle life

Melasta LiFePO4 battery has very long lifespan due to its superior performance, and proven quality. it provides more than 2500 life cycles with 80% Depth  of Discharge (DOD)at 25 C temperature.

2. Light Weight

These batteries are very light weight as compared to the Lead-acid batteries and all other old technologies. Due to this property these batteries are popular batteries in e-mobility industry to outperform the old technologies such as lead-acid batteries.

3. Environment Friendly

Melasta uses high quality material for battery production. These LiFePO4 cells do not contain any hazardous material so these are fully environment friendly and recyclable.

4. Wide Temperature Range -10C- to 60C

Operational temperature range is very wide it operates on extreme temperatures. The normal operational temperature range is from -10oC to +60oC. These cells are also used as starter batteries in extremely cold temperatures. 

5. Very Low Internal Resistance

These batteries have very low internal resistance which is very favorable for its safety. It delivers high current on demand and keep the battery temperature at normal level.

6. Maintenance Free

Normally old technology batteries such as lead-acid batteries required regular maintenance which increases the over cost of the battery system. Melasta Lithium Iron Phosphate Battery out performs the lead acid battery and provides the maintenance free solution.

Low Temperature Lithium Iron Phosphate (LiFePO4) Cell Technology

 1. Excellent low-temperature performance at -40

2. Stable discharging current at Low- temperature        

3.Suitable cells for military equipment, aerospace industry, and IoT Devices in freezing weather

4. Can be used 70% of initial capacity at -20

5. Highest Safety Standards

6. Applications: Scientific investigations into polar regions, electrical-power telecommunication, AGVs, RVs, and electric ice augers.

LiFePO4 Battery Applications

1. Recreational Vehicles

2. Golf Cart Battery

3. Special Medical Equipments

4. Energy Storage Systems

5. Electric Mobility

6.Telecommunication

7. Electric Boats

8. UPS System

Regular Type Cylindrical LiFePO4 Battery

Sr No.

Cell Model

Nominal  Vol.
V

Nominal Capacity
mAh

Dimensionsmm

Standard Charge RateC

Fast Charge RateC

Max Con. Dis. RateC

Pulse Dis. RateC

Charge Cut-off Vol. (V

Dis. Cut-off Vol.V

Weight
approx.
g

Diameter

Height

1

IFR10130E-30

3.2

30

10.3

13.2

0.5

1

1

3

3.65

2.0

5

2

IFR10440E-200

3.2

200

10.3

44.2

0.5

1

1

3

3.65

2.0

7

3

IFR14430E-250

3.2

250

14.2

43.3

0.5

1

1

3

3.65

2.0

11

4

IFR14500E-250

3.2

250

14.2

50.2

0.5

1

1

3

3.65

2.0

14

5

IFR14430E-300

3.2

300

14.2

43.3

0.5

1

1

3

3.65

2.0

12

6

IFR16340E-300

3.2

300

16.2

34.2

0.5

1

1

3

3.65

2.0

13.5

7

IFR16340E-400

3.2

400

16.2

34.2

0.5

1

1

3

3.65

2.0

15

8

IFR14430E-400

3.2

400

14.2

43.3

0.5

1

1

3

3.65

2.0

13

9

IFR14500E-400

3.2

400

14.2

50.2

0.5

1

1

3

3.65

2.0

15.5

10

IFR14500E-500

3.2

500

14.2

50.2

0.5

1

1

3

3.65

2.0

16

11

IFR14500E-600

3.2

600

14.2

50.2

0.5

1

1

3

3.65

2.0

18

12

IFR18500E-600

3.2

600

18.5

50.2

0.5

1

1

3

3.65

2.0

26

13

IFR18500E-750

3.2

750

18.5

50.2

0.5

1

1

3

3.65

2.0

28

14

IFR18500E-900

3.2

900

18.5

50.2

0.5

1

1

3

3.65

2.0

30

15

IFR18500E-1000

3.2

1000

18.5

50.2

0.5

1

1

3

3.65

2.0

32

16

IFR22430E-1100

3.2

1100

22.5

43.3

0.5

1

1

3

3.65

2.0

45

17

IFR22430E-1200

3.2

1200

22.5

43.3

0.5

1

1

3

3.65

2.0

47

18

IFR18650E-1400

3.2

1400

18.5

65.3

0.5

1

1

3

3.65

2.0

42

19

IFR18650E-1500

3.2

1500

18.5

65.3

0.5

1

1

3

3.65

2.0

42

20

IFR18650E-1600

3.2

1600

18.5

65.3

0.5

1

1

3

3.65

2.0

40

21

IFR18650E-1800

3.2

1800

18.5

65.3

0.5

1

1

3

3.65

2.0

41

22

IFR22650E-1800

3.2

1800

22.5

65.3

0.5

1

1

3

3.65

2.0

60

23

IFR22650E-1900

3.2

1900

22.5

65.3

0.5

1

1

3

3.65

2.0

62

24

IFR26430E-1900

3.2

1900

26.5

43.3

0.5

1

1

3

3.65

2.0

54

25

IFR22650E-2000

3.2

2000

22.5

65.3

0.5

1

1

3

3.65

2.0

63

26

IFR26430E-2000

3.2

2000

26.5

43.3

0.5

1

1

3

3.65

2.0

56

27

IFR26650E-3000

3.2

3000

26.15

65.6

0.5

1

1

3

3.65

2.0

84

28

IFR26650E-3200

3.2

3200

26.15

65.6

0.5

1

1

3

3.65

2.0

84

29

IFR26650E-3300

3.2

3300

26.2

65.6

0.5

1

3

8

3.65

2.0

84

30

IFR26650E-3400

3.2

3400

26.2

65.6

0.5

1

3

5

3.65

2.0

84

31

IFR26650E-3600

3.2

3600

26.15

65.6

0.5

1

3

5

3.65

2.0

85

32

IFR26650E-3800

3.2

3800

26.15

65.6

0.5

1

1

3

3.65

2.0

85

High Drain Type Cylindrical LiFePO4 Battery 

Sr No.

Cell Model

Nominal  Vol.
V

Nominal Capacity
mAh

Dimensionsmm

Standard Charge RateC

Fast Charge RateC

Max Continuous Dis. RateC

Pulse Dis. Current

Charge Cut-off Vol.V

Dis. Cut-off Vol.V

Weight
approx.
g

Diameter

Height

1

IFR18500P-800

3.2

800

18.5

50.2

1

2

10

12A ≤ 1S

3.65

2.0

26

2

IFR18500P-900

3.2

900

18.5

50.2

1

2

10

13.5A ≤ 1S

3.65

2.0

28

3

IFR22430P-950

3.2

950

22.5

43.3

1

2

10

14.25A ≤ 1S

3.65

2.0

45

4

IFR18650P-1100

3.2

1100

18.35

65.5

2

5

30

40A ≤ 5S

3.65

2.0

41

5

IFR18650P-1400

3.2

1400

18.35

66.3

1

3

10

21A ≤ 5S

3.65

2.0

40

6

IFR22650P-1600

3.2

1600

22.5

65.3

1

3

10

24A ≤ 3S

3.65

2.0

60

7

IFR26650P-3000

3.2

2900

26.15

65.6

1

3

10

45A ≤ 5S

3.65

2.0

84

8

IFR26650P-2300

3.2

2300

26.15

65.6

2

5

20

70A ≤ 5S

3.65

2.0

86

9

IFR26650P-2500

3.2

2500

26.2

65.5

1

5

20

125A ≤ 3S

3.65

2.0

86

10

IFR26650P-3000B

3.2

3000

26.9

65.5

1

3

10

60A ≤ 10S

3.65

2.0

85

These are the performance graphs for the model 3.2V 3800mAh MB-IFR26650E  under these conditions.

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 MB-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

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

Discharge Temperature

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

Storage Temperature

0to 40(32F to 104F) @60±25% Relative Humidity

Water Dust Resistance
/

5. Mechanical

Dimensions (mm.)

27.0*66.5mm MAX

Weight (g.)

Approx:92g