SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
R
SW12280(12V28AH)
Outer dimensions (mm)
Specifications
Nominal Voltage
Rated capacity (20 hour rate)
Total Height
Height
Dimensions
Length
Width
Weight Approx
12V
28 Ah
182 mm (7.17 inches)
175 mm (6.89 inches)
166 mm (6.5 inches)
125 mm (4.92 inches)
9.0Kg (19.82 lbs)
Terminal Type (mm)
Characteristics
20 hour rate(1.40 A)
10 hour rate(2.58 A)
Capacity
5 hour rate(4.76A)
25 (77 )
1 hour rate(16.80A)
1.5 hour discharge to 10.5V
Internal Resistance Full charged Battery at 25 (77 )
Capacity
40 (104 )
affected
25 (77 )
by Temperature
0 (32 )
(20hour rate)
-15 (5 )
Capacity after 3 month storage
Self-Discharge Capacity after 6 month storage
at 25 (77 )
Capacity after 12 month storage
Terminal
Charge
(constant
Voltage)
28.0 AH
25.8AH
23.8AH
16.8AH
12.0 A
9m
102%
100%
85%
65%
91%
82%
64%
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
4 6 8 10 20 4060 2
4 6 8 10 20 40
T66 T32
Initial Charging Current less than 11.2 A
Cycle
Voltage 14.40-14.70V
Float
Voltage 13.50-13.80V
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
20h
5min
10min
15min
30min
1h
2h
3h
4h
5h
8h
R
Edition July 2009
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