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BPL28-12_15 Datasheet, PDF (1/1 Pages) B. B. Battery Co., Ltd. – VRLA Rechargeable Battery
VRLA Rechargeable Battery
BPL28-12
Measures
Technology
Values
Innovation
FEATURES
APPLICATION
Maintenance free(no water topping-up required).
UPS
No free acid(Non-spillable battery).
Wheelchairs
Low self-discharge rate, lower than 3% capacity
Lawn Mowers
loss per month.
Electronic Medical Equipment
Can be used in any orientation(excluding used inverted).
Golf-Carts
Absorbent Glass Mat technology for efficient gas recombination.
SPECIFICATIONS
Nominal Voltage
Nominal Capacity
Approx. Weight
Terminals
Internal Resistance
Max. Discharge Current
Max. Charge Current
Operating Temperature Range
Container Material
12 V
28.0Ah @ 20 hour rate F.V.(1.75V/cell)
9.7Kg(21.39lbs.)
B1 (Fitting M5 bolt & nut) , T2 and I1 are optional
10m (Fully Charged )
420 A (5 sec.)
8.4 A
Charge:0oC~40oC(32oF~104oF)
Discharge:-20oC~50oC(-4oF~122oF)
Storage.:-20oC~40oC(-4oF~104oF)
Standard: ABS( UL 94-HB) BPL28-12
Optional: Flame Retardant ABS(UL 94-V0) BPL28-12FR
IEC 61056-1
JIS C 8702-1
GB/T 19639.1
DIMENSION(mm/inch)
OUTER DIMENSIONS
TERMINAL TYPE
Length
175±1.5 (6.89±0.06)
Width
166±1.5 (6.54±0.06)
Container Height
125±1.5 (4.92±0.06)
Total Height
125±1.5 (4.92±0.06)
Terminal B1
12.0(0.47) 2.0(0.08)
Terminal T2
3.4(0.13)
Terminal I1
M5x0.8
7.95(0.31)
[M5 BOLT & NUT]
[M5 BOLT & NUT]
Terminal Hardware Initial Torque: B1(2.5Nm±5%),I1(4.0Nm±5%)
Constant power discharge characteristics at 25 oC/77 oF
Discharge
F.V.
Time
(V/cell)
1.80V
1.75V
1.70V
1.65V
1.60V
5 Min
912.0
1056.0
1120.0
1172.0
1208.0
10 Min
685.6
742.8
769.6
788.0
803.6
15 Min
555.2
581.2
598.8
612.8
624.8
30 Min
334.0
346.8
354.4
359.6
363.2
1 Hr
193.6
199.2
202.8
205.6
207.6
Unit: W
3 Hr
81.6
83.2
84.0
84.8
85.2
5 Hr
56.4
57.2
57.6
58.0
58.0
10 Hr
31.44
31.92
32.08
32.16
32.16
20 Hr
16.44
16.80
16.88
16.92
16.92
Constant current discharge characteristics at 25 oC/77 oF Unit: A
Discharge
F.V.
Time
(V/cell)
5 Min
10 Min
15 Min
30 Min
1 Hr
3 Hr
1.80V
82.2
60.4
48.3
28.3
16.3
6.80
1.75V
96.9
65.4
50.5
29.4
16.7
6.93
1.70V
102.8
67.7
52.1
30.0
17.0
7.00
1.65V
107.5
69.4
53.3
30.5
17.3
7.07
1.60V
110.8
70.7
54.3
30.8
17.4
7.10
All data and artworks shall be changed without prior notice, BB reserves the right to explain and update the information contained hereinto.
5 Hr
4.70
4.77
4.80
4.83
4.83
10 Hr
2.62
2.66
2.67
2.68
2.68
20 Hr
1.37
1.40
1.41
1.41
1.41
A/3 REV. Dec. 2013
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