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HC 1228W
12V 28W
Specification
Cells Per Unit
Voltage Per Unit
Capacity
Weight
Maximum Discharge Current
Internal Resistance
Operating Temperature Range
HC 1228W is specially designed for high efficient discharge
application. Its invisible terminals can be inserted PC board
directly. HC series battery can serve more tha n 260 cycles
at 100 % discharge in cycle service, up to 5 years in standby
service.
6
12
28W @ 15min-rate to 1.67V per cell @25 (77 )
7Ah @ 20hr-rate to 1.75V per cell @25 (77 )
Approx.2.51 kg(5.53 lbs)
60A(5sec)
Approx. 21m
Discharge: -15 ~50 ( 5 ~122 )
~40 ( 5 ~104 )
Charge: -15
Storage: -15 ~40 ( 5 ~104 )
25
3 (77
5 )
13.5 to 13.8 VDC/unit Average at 25
2.8A
(77
)
Nominal Operating Temperature Range
Float Charging Voltage
Recommended Maximum Charging
Current Limit
Equalization and Cycle Service
Self Discharge
Terminal
Container Material
14.4 to 15.0 VDC/unit Average at 25 (77 )
CSB Batteries can be stored for more than 6 months at
25 (77 ). Please charge batteries before using. For
higher temperatures the time interval will be shorter.
C1-Faston Tab187/250
ABS(UL 94-HB/File E50263)*Flammability resistance of
(UL 94-V0/File E88637) can be available upon request.
CSB-manufactured
VRLA
batteries are UL-
recognized components
under UL924 and UL1989.
CSB is also certified by
ISO 9001 and ISO 14001.
Dimensions :
Unit: mm (inch)
Overall Height (H)
127.5±1.5 (5.0±0.06)
Container height (h)
126±1.5 (4.96±0.06)
Length (L)
139.7±1.5 (5.5±0.06)
Width (W)
48±1.0 (1.89±0.04)
Constant Current Discharge Characteristics
F.V/Time
1.60V
1.67V
1.70V
1.75V
1.80V
1.85V
2MIN
48.6
46.9
45.2
43.4
41.4
39.4
4MIN
38.2
36.8
35.4
34.0
32.6
30.9
6MIN
31.3
30.2
29.3
28.2
27.1
26.0
8MIN
27.2
26.3
25.5
24.5
23.6
22.7
10MIN
23.3
22.7
22.1
21.4
20.8
20.1
15MIN
18.0
17.5
17.0
16.6
16.3
16.0
Unit:A (25
30MIN
11.6
11.5
11.4
11.3
11.2
11.1
,77
)
90MIN
4.75
4.59
4.43
4.29
4.14
4.00
20MIN
14.9
14.7
14.4
14.2
14.0
13.8
60MIN
7.33
7.26
7.19
7.12
7.03
6.92
Constant Power Discharge Characteristics
F.V/Time
1.60V
1.67V
1.70V
1.75V
1.80V
1.85V
2MIN
583
563
544
522
498
473
4MIN
458
442
425
408
391
371
6MIN
375
361
349
337
325
312
8MIN
326
315
304
293
280
268
10MIN
280
273
265
258
248
239
15MIN
212
207
202
197
193
187
Unit:W (25
20MIN
175
173
170
167
164
161
,77
)
90MIN
57.0
55.1
53.2
51.5
49.7
48.0
30MIN
139
138
137
135
134
133
60MIN
89.5
88.6
87.7
86.8
86.0
85.1
RA: 0812
CSB-BATTERY [ CSB BATTERY CO., LTD. ]
