SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
R
SWE12280(12V28AH)
Outer dimensions (mm)
Terminal Type (mm)
Specifications
Nominal Voltage
Rated capacity (20 hour rate)
Total Height
Height
Dimensions
Length
Width
Weight Approx
12V
28 Ah
125 mm (4.92 inches)
125 mm (4.92 inches)
166 mm (6.54 inches)
175mm (6.89 inches)
120
Curves of cycle life(25 )
Capacity(%)
100
80
60
40
20
0
800
1000
1200
1400
9.0Kg (19.89 lbs)
Characteristics
20 hour rate(1.40 A)
10 hour rate(2.58 A)
5 hour rate(4.76A)
1 hour rate(16.80A)
28.0 AH
25.8AH
23.8AH
16.8AH
9m
102%
100%
85%
65%
91%
82%
64%
100%DOD
I
dis
=0.25C 3h
I
ch
=0.10C
9h
70%DOD
I
dis
=0.25C
2h
50%DOD
I
dis
=0.25C
1.5h
30%DOD
4.5h
I
ch
=0.10C
6h
I
ch
=0.10C
I
dis
=0.25C
1.0h
I
ch
=0.10C
3.0h
Capacity
25
(77 )
200
400
600
1600
Number of cycles(cycles)
Internal Resistance Full charged Battery at 25 (77 )
Capacity
affected
by Temperature
(20hour rate)
Self-Discharge
at 25 (77 )
Terminal
Charge
(constant
Voltage)
40 (104 )
25 (77 )
0 (32 )
-15 (5 )
Capacity after 3 month storage
Capacity after 6 month storage
Capacity after 12 month storage
Discharge Curves 25
(77 )
13.8
13.2
12.6
12.0
11.4
10.8
10.2
9.6
9.0
8.4
7.8
01
2
5.6A 2.8A 1.4A
11.2A
28A
56A
101A
84A
T4 T13
Initial Charging Current less than 11.2 A
Cycle
Voltage 14.40-14.70V
Float
Voltage 13.50-13.80V
4 6 8 10
20
4060
2
4 6 8 10 20 40
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77
Time
9.60V
10.20V
10.50V
10.80V
11.10V
A
W
A
W
A
W
A
W
A
W
)
10h
2.65
30.7
2.60
30.1
2.58
29.9
2.51
29.2
2.45
28.6
5min
100.80
1188.8
92.40
1118.8
84.12
1080.3
80.84
947.3
74.76
915.8
10min
66.08
746.7
63.23
707.0
59.08
686.0
56.47
665.0
53.20
642.8
15min
49.00
564.7
45.03
530.8
42.00
507.5
39.20
488.8
36.40
465.5
30min
32.20
341.8
30.57
339.5
29.63
336.0
28.82
334.8
28.00
332.5
1h
16.80
193.7
15.77
182.0
15.26
176.6
14.75
171.5
14.23
169.2
2h
9.80
113.4
9.40
108.9
9.22
106.8
8.98
104.5
8.75
103.8
3h
7.21
83.4
7.00
81.1
6.88
79.7
6.77
78.8
6.42
76.4
4h
5.79
67.0
5.60
64.9
5.32
61.6
5.23
60.8
5.13
60.7
5h
4.91
56.8
4.82
55.8
4.80
55.4
4.55
53.0
4.35
51.8
8h
3.24
37.5
3.19
36.9
3.15
36.5
3.07
35.0
2.99
33.8
20h
1.45
16.8
1.41
16.3
1.40
16.2
1.37
15.9
1.33
15.8
R
Edition July 2009
SUNNYWAY [ SHENZHEN SUNNYWAY BATTERY TECH CO.LTD. ]
