Catalogue cấu tạo chi tiết sử dụng ác quy EV250 280a AM

EV250-280A-AM
Advanced AGM Dry Cell Technology
Vision EV Series Dry Cell Batteries provide superior performance, capacities and reliability. Using
state of art dry cell technology the EV series is designed for environmentally sensitive areas that
require enhanced cycle life capabilities in commercial, industrial, residential, and private
applications. The maintenance-free (VRLA) construction and advanced design features makes
the EV Series the definitive choice for a wide variety of markets; Solar and Renewable Energy
Storage; Electric Vehicle and Golf cart; Industrial equipment, Floor Machines, Fork lifts, Aerial lifts,
and Robotics; Marine, RV, and no-idle solutions; Mobility and Medical Equipment; Telecom,
Broadband and Cable TV; UPS systems.

Features & Benefits

Vision EV Series

•

Completely sealed valve regulated construction.

•

Flame arresting pressure regulated safety sealing valves for safety, operating pressure management and
protection against atmospheric contamination (excess oxygen being absorbed by negative plates).

•

Computer-aided 99.994% pure heavy-duty lead calcium grid designs.

•

Tank formed plates guarantees evenly formed and capacity matched plates.

•

Anchored plate groups to guard against vibration.

•

Double insulating Micro porous glass fiber separators.

•

Measured and Immobilized electrolyte.

•

Vacuum filling and weighing processes.

•

Advanced technology for efficient gas recombination of up to 99.9% and freedom from electrolyte maintenance.

•

Wide range of operating temperatures (-40°C to 60°C).

•

Low self discharge rates (Approx. 1%-3% monthly at 20 °C–25°C / 68°F–77°F).

•

High impact reinforced strength copolymer polypropylene cases and flat top designed covers that are
rugged and vibration resistant.

•

Thermally welded case to cover bonds that eliminate leakage.

•

Copper and stainless steel alloy terminals and hardware.

•

Multi-terminal options.

•

Terminal protectors.

•

Removable carry handles.

•

Industry leading size and performance options.

•

Classified as “NON-SPILLABLE BATTERY” Not restricted for Air (IATA/ICAO) Provision 67, Surface
(DOT-CFR-HMR49)or Water (Classified as non-hazardous per IMDG amendment 27) transportation.

•

Can be used in multiple orientations (upside down is not recommended).

•

Compatible with sensitive electronic equipment.

•

Quality Assurance processes with ISO (4400/992579), QS and TUV Certification EMC tested, CE, ETTS
Germany (G4M19906-9202-E-16). UL recognized and approved components (MH25860).

•

Tellcordia and Bellcore compliant.

ISO 14001
DIN ISO
9001/QS9000

MH25860

Complies with DOT provisions
listed in 49CRF173.159 (d).
Special provision A67

page 1 of 4

www.vision-batt.com


EV250-280A-AM
Mechanical Characteristics

(optional)

L

W

H

TH

Weight in

Terminals

in(mm)

in(mm)

in(mm)

in(mm)

Lbs (Kgs)

AM

11.6 (295)

7.1 (180)

10.8 (274)

11.7 (296)

79.4 (36.0)

6

296±2

274±2

295±2

POS

50

180±2

67
105

5/16"

0

1:9
0

18-1

1:9

17.9-0.3

17

0

19.5-0.3

0

250

Volts

Approx.

Dimensions in Inches (mm)

18-1

Type No.

Standard

NEG

Industry

www.vision-batt.com
page 2 of 4


EV250-280A-AM
Electrical Specifications
Ampere Hour Capacity

Minutes of Discharge

100HR

@25A

10HR

5HR

Cranking Amps

R/C

@25A 32°F/ 0°C 0°F/ -18°C

@75A

* - Performance averages after 15 cycles
244

210

190

120

465

546

1250

900

Constant current discharge ratings-amperes at 20℃(68℉)

End Point
30min 45min
Volts/cell
1.60
267

202
1.65
256
197
1.70
246
192
1.75
236
185
1.80
224
177

1h

3h

5h

10h

100h

160
154
149
143
137

60.8
59.3
57.8
56.4
54.8

42.2
40.8
39.4
38.0
36.4

23.0
22.4
21.7
21.0
20.4

2.67
2.60
2.52
2.44
2.36

Constant power discharge ratings-watts per cell at 20℃(68℉)

End Point
15min 30min 45min
Volts/cell
1.60

--487
358
1.65
--472
348
1.70
--456
337
1.75
--440
327
1.80
--424
315

1h

2h

3h

5h

284
277
269
261
253

162

159
154
151
146

120.0
117.7
114.3
112.0
108.5

83.0
81.2
79.3
77.4
75.4

Internal resistance

Fully charged at 20℃: 2.5mOhms

Self discharge

<3% of capacity per month at 20℃

Operating temperature range

Discharge

Charge

Storage

-20～60℃

-10～60℃

-20～60℃

2400A

Short circuit current (20℃)

CHARGE METHODS: Constant voltage charging at 20℃(68℉)

Standby use
Cyclic use

Max. Charge current
0.3C10A
0.3C10A

Charge voltage
6.80~6.90V
7.20~7.35V

Temperature compensation
-10mV/℃
-15mV/℃

www.vision-batt.com
page 3 of 4


EV250-280A-AM

Voltage

Current

Charged
Volume

Charge / Discharge Tables & Graphs

Cycle service life in relation to
depth of discharge

Charge characteristic curve
120

Constant voltage charge characteristic
(0.25CA,20 oC)

(%) (XCA) (V)

120

0.25

100

0.20

80

0.15

60
0.10

40
20

0.05

0

0

15.0

CHARGED VOLUME

14.0

CHARGE VOLTAGE

Capacity(%)

100

140

80
60

13.0

80% D.O.D. 50%D.O.D.

12.0

20

11.0

CHARGING CURRENT

0
600

0

2

4

6

8

10

12

14

16

18

1200

20

110

6.5

100

5.5

50
30

40

50

60

70

80

90

4200

70
60

20

3600

80

5.75

10

3000

90

Capacity(%)

Battery voltage(V)

6.75

6

2400

Self-discharge characteristic

Relationship of OCV and state of charge (20OC)

6.25

1800

Number of cycles(cycles)

Charging time (hours)

0

20%D.O.D.

40

100

40

Relative state of charge (%)

40 oC

0

2

Relationship between
charging voltage and temperature

30 oC

4

6

8

20 oC

10

12
14
16
18
20
Storage time: months

(V/12V)

(V/8V)

(V/6V)

(V/4V)

(V/CELL)

Temperature effects on capacity
120

15.6

10.4

7.8

5.2

2.6

80

15.0

10.0

7.5

5.0

2.5

14.4

9.6

7.2

4.8

2.4

13.8

9.2

6.9

4.6

2.3

13.2

8.8

6.6

4.4

2.2

CY

STA

CL

ND B

EU
S

Capacity (%)

100

E

0 .1 C
0 .2 C

60
1 .0 C

40

2 .0 C

Y US
E

20
0
-10

0

10
20
30
40
Ambient temperature(oC)

50

THE INTERNATIONAL CERTIFICATION NETWORK

ISO9001:2000

MH25860

-20

60

-10

0
10
20
Temperature(oC)

30

40

G4M19906-9202-E-16

www.vision-batt.com

Shenzhen Center Power Tech. Co., Ltd.
Center Power Industrial Park, Tongfu Industrial District Dapeng Town, 518120 Shenzhen, China
Tel: (+86-755) 8431 8088 Fax: (+86-755) 8431 8038 E-mail:

page 4 of 4

50