KUNG LONG WP 20-6 6

WP20-6 6Volt 20Ah

Specifications

Nominal Voltage(V) 6V

Nominal Capacity

20 hour rate (1A to 5.25V) 20Ah

10 hour rate (1.9A to 5.25V) 19Ah

5 hour rate (3.4A to 5.1V) 17Ah

1 C (20A to 4.8V) 11.33Ah

3 C (60A to 4.8V) 8Ah

Weight Approx. 4.0kg(8.8Lbs.)

Internal Resistance (at 1KHz) Approx. 5 mΩ

Maximum Discharge Current for

5 seconds: 327A

Charging Methods at 25℃(77℉)

Cycle use:

Charging Voltage 7.20 to 7.50V

Coefficient -5.0mv/

Maximum Charging Current： 6A

Standby use:

Float Charging Voltage 6.75 to 6.90V

Coefficient -3.0mv/

℃/cell

℃/cell

Dimensions mm(inch)

+0.3

12

5

0.04

- 0.5

F3

(M5 Bolts)

11

210.08

157 (6.18 )

±±

2

+0.5

- 0

5.5

210.08

83 (3.27 )

±±

0.04

Operating Temperature Range

Charge -15℃(5℉) to 40℃(104℉)

Discharge

Storage

-15℃(5℉) to 50℃(122℉)

-15℃(5℉) to 40℃(104℉)

Charge Retention (shelf life) at 20℃(68℉)

1 month 92％

3 month 90％

6 month 80％

Case Material ABS

(Option: UL94 HB & UL94 V-0 flame retardant )

Te r mi n a l F3

(v)

FOR 6V
BATTERY

6.5

6.0

5.5

5.0

4.5

4.0

0.08

0.04

2

1

±±

125 (4.92 )

Discharge Time VS. Discharge Current (25 )

20A

2 4 6 8 10 20 40 60 2 5 6 8 10 20

1

minutes

hours

Discharge Time

3.4A

1.9A

℃

1A

W

m

%

P20-6

Effect of Temperature on Capacity 25 (77 )

120

100

%

80

y
t
i

c

60

a
p
a

40

C

20

0

-20 -10 0 10 20 30 40 50

-4 14 32 50 68 86 104 122

Temperat ure

℃℉

0.05CA

0.1CA

0.25CA

0.6CA

1CA

2CA

℃
℉

Capacity Retention Characteristic

(%)
100

75

50

40 (104 )

℃℉

30 (86 )

℃℉

aining Capacity

25

Re

0

36912151

Storage Time (months)

0(32)

℃℉

10 (50 )

℃℉

20 (68 )

℃℉

8

Trickle (or float) Service Life

10

120

5

3

2

Life (years)

0.5

20
68 86 104 122 ( )

30 40 50 ( )

℃
℉

Ambient Temperature

Contents in this data sheet are subject to change for improvement without prior notice to users. For clarifications and updated information, please contact us.

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100

80

60

Discharge Depth 100%

Capacity

40

20

0

0

Cycle Service Life

(1) Discharge : 0.17CA
(2) Charge : CV 2.4V/cell 16H Imax 0.3CA
(3) End of life discharge voltage : 1.65 Vpc
(4) Temperature : 25 2

Discharge Depth 50%

200 400 600 800 1000 1200

Number of Cycles (times)

＊

±℃

Discharge Depth 30%

270512-1B