DSBG Device Solutions Business Group

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US18650VTC4 Technical Information

1

Sony Energy Devices Corporation Department 1 Energy Division 1

Device Solutions Business Group

DSBG Device Solutions Business Group

2

US18650VTC4

Capacity 0.2ItA Discharge

Typical 2.1 Ah

Minimum 2.0 Ah

Nominal Voltage 3.6 V

AC-IR @ 1.0kHz 13.1    mΩ

DC-IR 22.0    mΩ

Charging Voltage 4.2 V

Discharge Voltage Cut-off 2.5 V

General specification

Device Solutions Business Group

DSBG Device Solutions Business Group

3

Discharge Load characteristics

1300140015001600170018001900200021002200

0.1 1 10 100Discharge Capacity / A

Dis

char

ge C

apac

ity /

mA

h

0.2C, 1C, 10A, 20A, 30A

Test condition Chg.; 4.2V, 1C, 2.5h Dchg.; 0.2C, 1C, 10A, 20A, 30A, 2.5Vcut Temperature; 23deg.C

2.0

2.5

3.0

3.5

4.0

0 500 1000 1500 2000

C apacity / m Ah

Voltage / V

2 0

30

40

50

60

70

80

90

100

110

120

Cell temperature / ℃

0.2C

1C

10A

20A

30A

-

Device Solutions Business Group

DSBG Device Solutions Business Group

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ACIR, DCIR

ACIR@1kHz DCIR VTC4 trial 13.1mohm 22mohm

-0.015

-0.010

-0.005

0.0000.010 0.015 0.020 0.025

Z'

Z''

0102030405060708090

100

-30

-20

-10

0 10 20 30 40 50 60 70Temperature / ℃

DC

R / Ω

23deg.C

Device Solutions Business Group

DSBG Device Solutions Business Group

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Discharge temperature characteristics

0.0

1.0

2.0

3.0

4.0

5.0

0 500 1000 1500 2000

C apacity / m Ah

Voltage / V

- 20

30

80

130

180

230

Cell temperature / ℃

- 20℃

-15℃

-10℃

0℃

23℃

45℃

60℃

1000

1200

1400

1600

1800

2000

2200

2400

-30 -20 -10 0 10 20 30 40 50 60 70Ambient Temperature during Discharge / deg.C

Dis

char

ge

Cap

acit

y /

mA

h

Charge: 4.2V, 1ItA(CC/CV), 2.5h cut, 23deg.C, Discharge: 10A, 2.5V cut off, 2.5V at 0～60deg.C 2.0V cut off, 2.0V at -20～-10deg.C

Device Solutions Business Group

DSBG Device Solutions Business Group

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Cycle performance (10A , 20A discharge)

Charge: 4.2V, 4A (CC/CV), 100mAcut, 23deg.C, Discharge: 10A, 2.5V cut off, 23deg.C

Charge: 4.2V, 4A (CC/CV), 100mA cut, 23deg.C, Discharge: 20A, 2.5V or 75deg .C cut off, 23deg.C

75deg.C cut + 50deg.C restart Capacity

10A discharge cycle 20A discharge cycle

Device Solutions Business Group

DSBG Device Solutions Business Group

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Schedule

2012 Mar.

Apr.

May.

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

Development Trial

Line Trial

Pre Production

Mass Production

Shipping