Maintenance-Free Rechargeable Sealed Lead-Acid Battery
BP28-12
PERFORMANCE SPECIFICATIONS
Nominal Voltage(V)...........................................................................................................................................12 volts(6cells in series)
Nominal Capacity(AH)
20 hour rate F.V.(1.75V/cell) (1400mA to 10.50volts) ......................................................................................................28.0A.H.
10 hour rate F.V.(1.75V/cell) (2660mA to 10.50volts).......................................................................................................26.6A.H.
5 hour rate F.V.(1.75V/cell) (4760mA to 10.50volts) ......................................................................................................23.8A.H.
1 hour rate F.V.(1.55V/cell) (16800mA to 9.30volts)........................................................................................................16.8A.H.
Approximate Weight........................................................................................................................................................9600g(21.17lbs)
Terminal
Standard.....................................................................................................................................................................................Type B1
Optional..................................................................................................................................................................................Type T2,I1
Internal Resistance (Fully Charged Battery)..............................................................................................................................<10m
Maximum Discharge Current For 5 sec.(A)................................................................................................................................. 420A
Maximum Charge Current(A)...........................................................................................................................................................8.4A
Ambient Temperature
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Charge...............................................................................................................................................................0 C(32 F)~40 C(104 F)
oo o o
Discharge........................................................................................................................................................-20 C(-4 F)~50 C(122 F)
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Storage............................................................................................................................................................-20C(-4 F)~40 C(104 F)
Vibration test:
Frequency: 16.7HZ
Amplitude: 4mm
Vibrate the battery horizontally or vertically for 60 minutes. The battery have no abnormality.
Case.......................................................................................................................................................................................................ABS
Dimension(mm/inch)
Length 1.5mm.......................................................................................................................................................175/6.89
Width 1.5mm.......................................................................................................................................................166/6.54
Container Height 1.5mm.......................................................................................................................................................125/4.92
Total Height 1.5mm.......................................................................................................................................................125/4.92
Application...............................................................Wheelchairs, Lawn Mowers, Electronic Medical Equipment, UPS, Golf-Carts.
The battery is constructed by plates,
separators, safety valves and container.
Since the electrolyte is held by a glass-
mat separator and plates, the battery
can use in any direction and position
without leakage.
9.0
5321
Min
7.0
8.0
12.0
13.0
10.0
11.0
Discharge time
84A 56A 28A
53260302010
Hr
302010
4.76A 2.66A 1.4A
7A
16.8A
BP28-12 Battery discharge characteristics (25 C/77 F)
Terminal Voltage(V)
OUTER DIMENSIONS
166 1.5(6.54 0.06) 175 1.5(6.89 0.06)
125 1.5(4.92 0.06)
Charging Procedure
Application
For standby
power Source
For
cycle service
Charging
method
Max. charging
current
(CA) 100% 50%
discharge discharge
Constant
voltage &
Constant
current
charging
(with current
restrication)
2.25~2.30
2.40~2.50
0.3
0.3
24 20
16 10
TERMINAL POSITION
Effect of Temperature on Long Term Float Life
0.5
Battery temperature
1
2
3
4
5
6
8
10
Charging voltage :
2.275V/cell
Life expectancy(year)
20
68
oC
30
86 40
104 50
122 oF
BATTERY CHARGING CHARACTERISTICS
(Typical example of the charge characteristics for the standby use)
Charge time (hr)
105
015 20
10.0
11.0
12.0
13.0
14.0
15.0
250
0.03
0.06
0.09
0.12
0.15
0.18
0.21
140
120
100
80
60
40
20
00
Charge voltage
Charge volume
Charge current
1 Discharge
100 %(0.05CA x 20h)
50 %(0.05CA x 10h)
2 Constant voltage charging
Charge voltage:2.275V/cell
Charge current:0.1CA
3 Temperature:20 C(68 F)
Charge volume(%)
Charge voltage(V)
Charge current(CA)
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Constant power discharge characteristics at 25 C/77 F
Final Voltage
10.80V
10.50V
10.20V
9.90V
9.60V
5Min 10Min 15Min 30Min 1Hr 3Hr 5Hr 10Hr 20Hr
Discharge time
Battery output power(W)
1012.3
1171.7
1245.0
1300.9
1344.0
745.3
807.4
836.4
856.5
873.6
597.2
624.7
644.0
658.8
672.0
355.3
368.8
377.3
382.6
386.4
203.79
209.90
213.67
216.24
218.40
81.62
83.25
84.00
84.58
85.09
56.27
57.12
57.43
57.63
57.81
31.45
31.92
32.08
32.18
32.18
16.44
16.80
16.88
16.92
16.92
B.B. BATTERY CO., LTD.
-3
-4
UL
R
MH19884
NATIONAL
ACCREDITATION
OF CERTIFICATION
BODIES
QUALITY ASSURED
FIRM
Web Site: http://www.bb-battery.com
I
S
O
1
4
0
0
1
UKAS
ENVIRONMENTAL
MANAGEMENT
Reg. No. 059-C
HONG KONG:
NATIONAL TRADING LTD.
TEL: 852-2301-3800
FAX: 852-2739-1182
TAIWAN:
TEL: 886-6-5898081~3
FAX: 886-6-5898087
TEL: 44-161-339-9458
FAX: 44-161-343-7030
UK:
B & B BATTERY (UK) CO., LTD. JAPAN:
TEL: 81-426-256-537
FAX: 81-426-256-537
B & B BATTERY(JAPAN) CO., LTD.
B & B BATTERY CO., LTD.
CHINA FACTORY:
CHENG DONG TRIAL AREA, HUANG GANG,
RAOPING GUANG DONG, CHINA, 515700
TEL: 86-768-7601001-2
FAX: 86-768-7601469
USA :
B&B BATTERY (USA) INC.
6415 RANDOLPH ST. COMMERCE,
CA, 90040 U.S.A.
TEL: 1-323-278-1900 . 1-800-278-8599
FAX: 1-323-278-1268
Temp
O
(C)
0~40O
(32~104 F)
TERMINAL TYPE
3.4(0.13)
6.35(0.25)
7.85(0.31)
0.8(0.03)
Terminal T2
[M5 BOLT & NUT]
Terminal B1
12(0.47) 2(0.08)
11(0.43)
5.5( 0.22)
5(0.20)
mm(inch)
[M5 BOLT & NUT]
M5
2.0(0.08)
Terminal I1
O O
OO
Charging time
0.1CA, 20 C
(h)
Temperature
compensation
coefficient of
charging voltage
(mV/ C/cell)
Charging
Voltage
at 20 C
(V/cell)
*Temperature compensation of charging voltage is not needed, when using the batteries within 5 C to 35 C range.
OO
O
O
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