Sunbright Power Co.,LTD.
6-FM-20Ah Valve-regulated Lead Acid Battery
Specification
We are an ISO9001 certified organization. And the products are approved by CE & UL. The nominal voltage
of this series is 12V and 6V. And the capacityranges from 1.2Ah to 24Ah. Their typical applications include:
emergency lighting systems, electricity power supply systems, communication systems, UPS systems,
starting systems,solar systems etc.
Battery Construction
General Features
Component
Positive plate
Negative plate
Container
Cover
Safety valve
Terminal
Separator
Electrolyte
Material
Lead dioxide
Lead
ABS
ABS
Rubber
Copper
AGM glass
Sulfuric acid
Maintenance free
Convenient for installation
Safety and no leakage
Excellent recharge and discharge performance
Low self-discharge rate,charge each standby 6 months, temperature 25℃
Adapt to high or low temperature
Good deep discharge performance
Longer cycle life
UL approval
Performance Characteristics
5.Charge Method: constant-voltage charging at 25℃ （77°F）
1.Dimension and weight
Length
Width
Height
Total Height
Reference Weight
181mm
77mm
167mm
167mm
5.5kg
Rated Voltage
Numbers of cells
Designed Life
12V
6 Cells
3~5 Years
3.Rated Capacity at 25℃ （77°F）
- 15～50℃
0～40℃
- 15～40℃
Discharge Temperature
Charge Temperature
Storage Temperature
7.Inner Resistance& Max. Discharge Current
20 hr rate（0.05C，10.8V）
5 hr rate（0.165C，10.8V）
1 hr rate（0.55C，10.5V）
20Ah
16.5Ah
11.8h
4.Capacity affected by Temperature ( 2 0hour rate )
A fully charged battery at 25℃ č 77 ° FĎ
Max. Discharge Current
Short Circuit Current
15mΩ
300A (5s)
1000A
8.Self-discharge
(104°F)
(77°F)
(32°F)
(5°F)
3 % Of the capacity per month at 25℃ č 77°FĎ
Capacity after 3 month storage
Capacity after 6 month storage
Capacity after 12 month storage
103%
100 %
85 %
65 %
Dimensions（mm）
91%
82 %
64 %
3D Model Review
181
77
167
Valve Regulated
Lead-acid Battery
6-FM-20
Nominal Voltage:12V
Nominal Capacity:20Ah/20HR
Charging Voltage for Float Use: 13.6 ~ 13.8 V
Charging Voltage for Cycle Use: 14.4 ~ 14.9 V
Charging Current: › 6 A
SUNBRIGHT POWER CO.,LTD.
Constant-current discharge parameter Unit：A（2 5℃ ）
F.V/Time
1.80V/cell
1.75V/cell
1.70V/cell
1.65V/cell
1.60V/cell
5min
51.10
57.60
63.50
70.00
77.20
10min
37.40
41.10
44.80
48.30
52.40
15min
29.30
32.00
34.10
36.30
38.80
20min
24.80
26.60
28.00
29.70
31.70
30min
19.10
19.80
20.70
21.80
23.00
45min
13.90
14.40
15.00
15.40
16.00
1h
11.30
11.80
12.20
12.40
12.60
3h
5.01
5.10
5.24
5.47
5.63
5h
3.31
3.40
3.49
3.58
3.70
10h
1.86
1.91
1.95
1.99
2.01
20h
1.00
1.01
1.03
1.04
1.05
30min
35.90
36.90
38.20
40.00
41.90
45min
26.50
27.20
28.20
28.60
29.70
1h
21.60
22.50
23.10
23.50
23.60
3h
9.71
9.85
10.10
10.50
10.80
5h
6.46
6.61
6.77
6.93
7.13
10h
3.68
3.77
3.84
3.91
3.95
20h
1.98
2.00
2.03
2.05
2.06
Constant-current discharge parameter Unit：W（2 5℃ ）
F.V/Time
1.80V/cell
1.75V/cell
1.70V/cell
1.65V/cell
1.60V/cell
5min
92.50
102.00
109.30
118.80
128.00
10min
68.20
73.80
78.60
84.00
89.10
15min
53.90
58.10
61.20
64.60
67.90
20min
46.00
49.00
51.10
53.90
56.80
EDITION 2014
6.Environment Temperature Requirements
2.Functional Parameter
40 ℃
25 ℃
0 ℃
-15℃
14.4～14.9V
6A
-30mV/℃
13.6～13.8V
-20mV/℃
Cyclic use
Maximum charging current
Temperature Compensation
Float Use
Temperature Compensation
Sunbright Power Co.,LTD.
6-FM-20Ah Valve-regulated Lead Acid Battery
Specification
0.25C
0.2C
0.15C
0.05C
6.5
15
6.0
14
5.5
13
5.0
12
4.5
0.1C
1C
3C
4.0
11
0.0525C
0.6C 0.2C
3.5
600 1200
Discharge Time（Min）
Cycle Life in Relation to Depth of Discharge
120
100
90
80
100％DOD
50％DOD
30％DOD
EDITION 2014
70
60
50
0
200
400
600
800
1000
1200
Number of Cycles
80
60
40
25℃
20
2
4
6
8
10 12
14 16 18 20 22 24
Relationship between Charging Voltage and Temperature
15.6
7.8
2.6
15.0
7.5
2.5
14.4
7.2
2.4
13.8
6.9
2.3
13.2
6.6
2.2
-10
Cyc
le U
S ta n
0
10
20
se
dy U
se
30
Ambient Temperature(℃)
40
50
60
ADD:No.18,Keji Road,Science&Technology Industry Zone,Ninghai,Zhejiang,China,315600
Tel:+86-574- 88111982 Fax:+86-574- 56655050
E-mail: sale@sbb-battery.com
Http://www.sbb-battery.com