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Prolonged Life
High Performance Cells
YAP/YCP/YHP
RANGE SUMMARY
Publication No: EN-PL-RS-002 - May 2004
Introduction to . . . YAP / YCP / YHP
Construction
1 Vent plug
1
2 Cell pillar
2
3 Cell lid
4 Negative plate
3
5 Positive plate
The EnerSys range of PowerSafe
Planté YAP, YCP and YHP cells
has been designed for standby
power applications wherever
high performance and long life
4
6 Separator
7 Bar guard
6
8 Container
5
9 End buffer
are absolute requirements.
Using
the
traditional
7
Planté
positive plate design, refined
by
more
of
than
100
EnerSys’
years
battery
manufacturing
experience,
9
Planté’s specifications make it
8
the ideal choice for a wide range
of
applications
such
telecommunications,
generation
and
as
power
distribution,
UPS, emergency lighting and
security systems.
• Vent plugs - designed to allow free exit
The Planté cell is unique in that it
delivers
100%
of
its
rated
capacity throughout its entire
life, a claim unmatched by any
other
lead
Features
acid
battery
technology. This eliminates the
need to oversize the battery to
allow for reduced performance
of gasses, yet eliminate acid spray.
Explosion minimising vent plugs are
available as an option
• Cell pillars - lead alloy (YAP) with
copper insert (YCP/YHP) designed to
give minimum resistance and
maximum current flow
• Cell containers - moulded from durable,
transparent styrene acrylonitrile (SAN)
to allow electrolyte level and cell
condition to be monitored visually
• Cell lids - moulded from durable,
towards the end of service life.
opaque SAN sealed to container to
ensure no electrolyte leakage
The capacity range covered by
• Negative plates - pasted grids provide
EnerSys
high
performance
PowerSafe Planté products is 15
to 2000 ampere-hours (10h to
perfect balance with the positive plates
to give maximum performance and
service life
• Positive plates - unique, pure lead
1.85Vpc at 15°C). YAP types
construction ensures 100% capacity
throughout long service life
cover 15 to 75Ah; YCP types 100
• Separators - made from natural ribbed
to 425Ah and YHP types 500 to
2000Ah.
Benefits
• High performance cells
• First choice for long life and reliability
• Excellent performance at both high and
low rates of discharge
• Low internal resistance
• Retain 100% capacity throughout life
• Proven service life in excess of 20 years
on float or trickle charge
• Low maintenance (periods between
water addition up to 3 years) due to
large electrolyte reserve
Standards
• Compliant with IEC 60896-11 and
BS6290 Part 2
• Manufactured to ISO9001 quality
standard
microporous rubber for minimum
resistance
• Bar guards - safeguard against short
circuits
• End buffers - provide additional lateral
support at each end of the element,
ensuring a compact assembly to
prevent plate movement during transit
www.enersys.com
Publication No: EN-PL-RS-002 - May 2004
General Specifications
Nominal Capacity (Ah)
Nominal Dimensions (mm)
Typical Weight (kg)
Cell Type
3h to 1.80Vpc 10h to 1.85Vpc 8h to 1.75Vpc
@ 20°C
@ 15°C
@ 25°C
Length (1)
Width (2)
Box
Height
Overall Height
of Cell
Filled
Dry
YAP 5
YAP 9
YAP 13
YAP 17
YAP 21
YCP 9
YCP 11
YCP 13
YCP 17
YCP 21
YCP 25
YCP 27
YCP 29
YCP 33
YCP 35
YHP 11
YHP 13
YHP 15
YHP 17
YHP 19
YHP 21
YHP 23
YHP 25
YHP 27
YHP 29
YHP 31
YHP 33
YHP 35
YHP 37
YHP 39
YHP 41
12.5
25
37.5
50
62.5
83
103.5
124
165.5
207
248
269
290
331
352
422
506
591
675
760
844
928
1013
1097
1182
1266
1351
1435
1519
1604
1689
76
114
190
190
228
134
172
172
210
248
286
362
362
362
362
230
230
306
306
306
357
357
433
433
433
509
509
509
585
585
585
133
133
133
133
133
203
203
203
203
203
203
203
203
203
203
368
368
368
368
368
368
368
368
368
368
368
368
368
368
368
368
212
212
212
212
212
349
349
349
349
349
349
349
349
349
349
592
592
592
592
592
592
592
592
592
592
592
592
592
592
592
592
260
260
260
260
260
423
423
423
423
423
423
423
423
423
423
682
682
682
682
682
682
682
682
682
682
682
682
682
682
682
682
3.8
6.3
10.0
11.5
13.6
18.6
22.2
24.9
30.6
36.9
43.4
52.6
54.4
58.4
60.3
95.2
106.2
133.5
144.5
155.5
179.3
190.4
218.0
229.0
240.1
268.3
279.2
290.2
318.2
329.2
340.2
2.6
4.4
6.6
8.2
9.8
13.1
14.7
17.7
21.9
26.5
31.3
36.0
38.2
42.9
45.2
63.0
75.6
88.2
100.8
113.4
126.0
138.6
151.2
163.8
176.4
189.0
201.6
214.2
226.8
239.4
252.0
15
30
45
60
75
100
125
150
200
250
300
325
350
400
425
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
17
34
50
67
84
112
141
169
225
281
338
365
394
450
478
577
692
807
923
1038
1153
1269
1384
1500
1615
1730
1845
1960
2077
2192
2307
Electrolyte
Volume
S.G. = 1.210
(litres)
Pillars
per Pole (3)
Internal
Resistance
(µΩ)
1.0
1.6
2.8
2.7
3.2
4.5
6.2
5.9
7.2
8.6
10.0
13.7
13.4
12.8
12.5
27.1
25.7
38.1
36.7
35.4
44.8
43.5
56.1
54.8
53.5
66.6
65.2
63.9
76.8
75.5
74.1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
5195
2597
1732
1299
1039
923
754
640
500
417
364
344
327
300
290
351
293
251
220
195
176
160
146
135
126
117
110
104
98
93
88
Notes: (1)The length of a box or cell is measured at right angles to the plates.
(2)The width of a cell is measured parallel to the plates.
(3) YAP cells: M6 fasteners - YCP/YHP: M8 fasteners
Operating Characteristics
Voltage
Float Charge
The nominal voltage is 2 volts per cell, i.e. a nominal 110V
battery will have 55 cells. On discharge, the recommended final
voltage at which the discharge should be terminated depends
on the discharge rate. For example, the final voltage for the
three hour rate of discharge is 1.80 volts. After final voltage has
been reached, the voltage will fall away at an increasing rate.
Constant voltage float charging at 2.25 volts per cell will
maintain full capacity with minimal water loss. Lower float
voltage levels may be used but must be complemented with
regular freshening charges. A simple hydrometer reading
indicates the state of charge. A fully charged cell will have a
specific gravity in the range 1.205 to 1.215 at 15°C.
Capacity
Recharge
The capacity which can be taken from a cell varies with the
discharge rate as indicated in the capacity tables. Capacity is
also affected by temperature.
A YHP 11 cell discharged at the 1 hour rate (300 amperes for
1 hour) will require a minimum of 300 +11%, i.e. 333 ampere
hours recharge. At the finishing rate of charge (7% C10 amperes)
this will take 91/2 hours.
Trickle Charge
Trickle charging is a method of keeping the cells in a fully
charged condition by passing a small current through them.
The correct trickle charge current is that which neither allows the
cell to gas nor the gravity to fall over a period of time. It is
normally in the region of 1 milliampere per ampere hour of the
10 hour capacity for YAP cells, and 0.3 x capacity at the 10 hour
rate + 70 milliamperes for YCP and YHP cells. With this small
current flowing, the cell voltage will be approximately 2.25 volts.
www.enersys.com
It is possible to recharge in a shorter time by starting the charge
at the ‘starting rate’ (14% C10 amperes) but this should be
reduced to the finishing rate of charge when the voltage per cell
reaches 2.3 volts.
On recharge, the voltage increases as the charge proceeds.
The highest voltage reached with the finishing rate of charge
flowing is approximately 2.70 volts per cell. It is possible to
recharge a cell by limiting the voltage of the charging equipment
to a lower value than 2.70 volts per cell, 2.4 volts per cell being
the minimum recommended value. This will result in an
extended recharge period, as the battery will automatically limit
the charge current irrespective of the charger output.
Publication No: EN-PL-RS-002 - May 2004
Battery Accommodation
By following the guidelines hereafter, the user can readily calculate the space required by the various standard range of steel stand
options to make best use of the accommodation available.
YAP 5
(F)
YAP 9
(F)
YAP 13, 17, 21
(E)
YCP 9
(F)
YCP 11, 13,
(F)
YCP 17, 21
(E)
YCP 25, 27, 29
33, 35
(E)
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
12 cells
Length of stand
24 cells
55 cells
Double Tier Double Tier
Single Row Double Row
83
320
1200
1360
525
1020
121
320
1200
1360
750
1480
140
320
1200
1360
865
1710
140
320
1370
1620
865
1710
178
320
1370
1620
1095
2165
209
320
1370
1620
1270
2540
209
430
1370
1620
1270
2540
-
83
615
1300
1460
525
1190
121
615
1300
1460
750
1720
140
615
1300
1460
865
1990
140
615
1470
1720
865
1990
178
615
1470
1720
1095
2510
209
615
1470
1720
1270
2960
209
835
1470
1720
1270
2960
Stand Dimensions for YHP Range
YHP 11, 13
(F)
YHP 15, 17, 19
(F)
YHP 21, 23
(E)
YHP 25, 27, 29
(E)
YHP 31, 33, 35
(E)
YHP 37, 39, 41
(E)
Cell centres
Width of stand
Height over cells
Overall height required (min.)
6 cells
Length of stand
12 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
6 cells
Length of stand
12 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
6 cells
Length of stand
12 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
6 cells
Length of stand
12 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
6 cells
Length of stand
12 cells
Cell centres
Width of stand
Height over cells
Overall height required (min.)
6 cells
Length of stand
12 cells
Layout for YAP/YCP Ranges
Typical edge
to edge
arrangement
Typical face
to face
arrangement
Layout for YHP Range
Typical edge
to edge
arrangement
Typical face
to face
arrangement
Contact:
www.enersys.com
255
340
880
1130
1550
3080
330
340
880
1130
2000
394
360
880
1130
2375
394
435
880
1130
2375
394
510
880
1130
2375
394
585
880
1130
2375
-
255
760
980
1230
790
1550
330
760
980
1230
1015
2000
394
760
980
1230
1210
2375
394
920
980
1230
1210
2375
394
1070
980
1230
1210
2375
394
1220
980
1230
1210
2375
Notes:
The suffixes 'E' and 'F' refer to the layout of the cells on the stand:
• the suffix 'E' signifies that the cells are arranged with the plates edge to
edge
• the suffix 'F' signifies that they are arranged with the plates face to face
Calculating other lengths of stands:
- For Double tier single row length = C x N/2 + 25mm
- For Double tier double row length = C x N/4 + 25mm,
where C = cell centre and N = number of cells
If N/2 or N/4 contains a fraction, increase to next whole number.
Global Headquarters
P.O. Box 14145
Reading, PA 19612-4145 USA
Tel: +1-610-208-1991
+1-800-538-3627
Fax: +1-610-372-8613
Single Tier Single Tier
Single Row Double Row
EnerSys EMEA
Brussels, Belgium
Tel: +32 (0)2 247 94 47
EnerSys Asia
Guangdong, China
Tel: +86-755-2689 3639
EnerSys Limited
Rake Lane,
Clifton Junction,
Swinton, Manchester
M27 8LR, UK
Tel: +44 (0)161 794 4611
Fax: +44 (0)161 727 3809
Publication No: EN-PL-RS-002 - May 2004 - Subject to revisions without prior notice
Stand Dimensions for YAP/YCP Ranges