Century Deep Cycle Batteries
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DEEP CYCLE BATTERIES
CENTURY DEEP CYCLE (Wet / Flooded Batteries)
Battery Type
Century
Amp Hour Capacity @ 25ºC
20Hr
Deep Cycle Batteries
Century’s Deep Cycle Batteries are designed to provide
longer life performance when continually discharged and
recharged, delivering energy for extended periods of time,
without sustaining life shortening damage such use would
cause to a standard automotive battery.
For steady power over a long period of time a Deep Cycle
battery is your best choice.
Overall Dimensions (mm)
10Hr
5Hr
Length
Width
Height
Weight (kg)
Terminal Type
12DC
6V
105
92
82
228
173
205
14
Standard
47DC
12V
50
44
39
235
175
210
15
Multifit
N70DC
12V
75
66
60
305
175
225
22
Multifit
86DC
12V
85
75
68
350
175
241
27
Multifit
24DC
12V
85
75
68
260
171
225
19
Wingnut
27DC
12V
100
87
80
305
168
227
24
Wingnut
Typical applications include:
30DC
12V
115
100
92
327
171
248
28
Twin Marine
Mobility Scooters
Golf Carts
Camper Vans
Portable Lifting Equipment
Solar Heating
Hunting Spot Lighting
Marine Auxillary Equipment
Remote Area Power Systems
Portable Roading Systems
Inverter Integrated Systems
Portable Communication Systems
N150DC
12V
180
158
143
517
221
249
52
Standard
N200DC
12V
240
211
187
520
275
245
68
Standard
CYCLIC DUTY
»
Volts
• Extra thick plates – long cycle life in harsh applications
• Fibreglass separator technology – locks active material to maximise capacity
• Carry handles – lift and place with ease
CENTURY SPECIALIST APPLICATIONS (Wet / Flooded Batteries)
Battery Type
Volts
Amp Hour Capacity @ 25ºC
Overall Dimensions (mm)
Weight (kg)
Terminal Type
20Hr
10Hr
5Hr
Length
Width
Height
CY220-6
6V
225
198
176
262
179
276
27
Multifit
CY245-6
6V
245
216
176
262
179
302
33
Multifit
CY350-6
6V
350
308
273
314
181
419
54
Multifit
8VGC
8V
167
147
130
262
179
276
28
Wingnut
Choosing the right Battery
• Larger sizes – dependable power for speciallist applications such as mobility, golf buggy and remote area power supply use
• Fibreglass separator technology – locks active material to maximise capacity
• Rugged case and lid – impervious to harsh environments
Century Batteries provide a wide variety of products to suit many needs, ranging from Wet Flooded batteries to Sealed Gel products.
Whatever your choice, it is important to have adequate capacity (Amp Hours) in the battery for the amount of power your application
will use. You can work this out quickly and easily by establishing: the power consumption of each piece of equipment (marked in watts
on the equipments’ information panel); the number of hours you will use between recharges; and the voltage of the system.
OPTIMA DEEP CYCLE (High Performance Sealed Spiralcell™ Technology)
Battery Type
Volts
Amp Hour Capacity @ 25ºC
20Hr
Equipment
Loading (Watts)
Estimated Usage (Hours)
Watt Hours
Refrigerator
40
x
10
=
400
Interior Lights
20
X
4
=
80
Winch
90
X
0.2
=
18
Total Watt Hours
=
498
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Overall Dimensions (mm)
10Hr
5Hr
Length
Width
Height
Weight (kg)
Terminal Type
D34/78
12V
55
48
42
254
173
198
20
Standard + Side
D31A
12V
75
65
57
325
165
238
27
Standard
D27M
12V
66
57
51
310
172
223
24
Twin Marine
Fully sealed – non-spillable even when inverted
Spiralcell technology – corrosion resistant plate design for long cycle life coupled with extreme cranking capability
Absorbed glass matt separators – high internal compression results in superior vibration resistance
Ergonomic carry handle – lift and place with ease
CENTURY GEL (Gel Valve Regulated Sealed)
Now divide the total Watt Hours by the system voltage to obtain the Amp Hours.
Battery Type
Volts
498 Watt Hours / 12 Volts (12 volt system) = 41.5 Amp Hours
20Hr
This figure is basically your guide to the battery size you need, after one more very important calculation. Electrical systems are not
always perfect, so we strongly recommend you allow a little power in reserve. A 30% safety margin is a reasonable allowance for most
applications. For larger more critical systems allow 50%.
Estimated Amp Hours (41.5) + 30% (12.45) = Total Amp Hours 53.95
Now you can select the correct battery for your needs simply by comparing your total calculated Amp Hours with the 20-hour capacity
figures shown in the battery specification tables.
Note: the faster a battery is discharged, the fewer Amp Hours it will deliver before requiring a recharge. That is why Deep Cycle
batteries carry Amp Hour ratings for various periods of discharge time. For each discharge rate and battery type, divide the Amp Hour
capacity by the number of hours, to determine how many amps you can draw per hour per battery.
Amp Hour Capacity @ 25ºC
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Overall Dimensions (mm)
10Hr
5Hr
Length
Width
Height
Weight (kg)
Terminal Type
GU1H
12V
32
29
25
211
130
184
11
Lug
GDC33
12V
33
29
25
195
130
170
11
Insert M6
GDC40
12V
40
36
31
198
165
171
14
Insert M6
GDC78
12V
78
70
60
260
169
220
24
Insert M6
GDC110
12V
110
99
85
330
172
225
31
Insert M8
GDC150
12V
150
135
116
490
170
245
46
Insert M8
GDC232
12V
232
209
180
522
270
219
70
Insert M8
Fully sealed – non-spillable GEL design
Maintenance free – gas recombination technology
GEL technology – superior vibration resistance
Strong case material – high quality ABS case and lid resist distortion
Carrying convenience – pre-fitted carry handles for ease of transportation and placement
RECOMMENDED CHARGING INFORMATION - Cyclic Application @ 25ºC
Type
Bulk / Absorption Rate
Float rate
Equalisation
Century Deep Cycle
2.40 - 2.50 Volts Per Cell (VPC)
2.25 - 2.27 VPC
2.55 - 2.60 VPC
Century Semi Traction
2.50 VPC
2.25 - 2.27 VPC
2.55 - 2.60 VPC
Optima Spiralcell
2.30 - 2.50 VPC
2.20 - 2.30 VPC
2.60 VPC
Century Gel
2.45 VPC
2.25 - 2.27 VPC
N/A
• Charging parameters may vary according to environmental usage and equipment factors. Two or three stage constant voltage chargers are
recommended for batteries used in Deep Cycle applications.
• Vessels and vehicles with dual battery systems require specialist battery isolation systems (refer to “The Importance Of Battery Isolation”) and a
qualified marine or automotive electrician should be consulted.
• Marine chargers should be fitted with isolated transformers and the AC shore power circuit should be fitted with galvanic isolation.
Taking Care of Your Battery
• New batteries should be given a full charge before use.
• New deep cycle batteries need to be cycled several times before
reaching full capacity (50 - 125 cycles, depending on type). Usage
should be limited during this period.
• Battery cables should be intact, and the connectors kept tight at all
times. Systematic inspection is recommended.
• Vent caps should be kept in place and tight during vehicle operation and
battery charging.
• Batteries should be kept clean and free of dirt and corrosion at all times.
• Batteries should be watered after charging unless plates are exposed
before charging. If exposed, plates should be covered by approximately
1/8” of acid. Check acid level after charge. The acid level should be kept
1/4” below the bottom of the fill well in the cell cover.
• Water used to replenish batteries should be distilled or treated not to
exceed 200 T.D.S. (total dissolved solids...parts per million). Particular
care should be taken to avoid metallic contamination (iron).
• For best battery life, batteries should not be discharged below 80%
of their rated capacity. Proper battery sizing will help avoid excessive
discharge.
• Battery chargers should be matched to fully charge batteries in an eight
hour period. Defective chargers will damage batteries or severely reduce
their performance.
• Avoid charging at temperatures above 49°C (120°F) or ambient,
whichever is higher.
• Deep cycle batteries need to be equalized periodically. Equalizing is an
extended, low current charge performed after the normal charge cycle.
This extra charge helps keep all cells in balance. Actively used batteries
should be equalized once per week. Manually timed chargers should
have the charge time extended approximately 3 hours. Automatically
controlled chargers should be unplugged and reconnected after
completing a charge.
cell. Voltage checks (open circuit, charged and discharged) can locate
a bad battery or weak battery. Load testing will pick out a bad battery
when other methods fail. A weak battery will cause premature failure of
companion batteries.
• Always use a matched voltage charger and battery pack system. An
undersized charger will never get the job done, no matter how long you
let it run. An oversized charger will cause excess gassing and heat; this
situation could cause explosions or other damage.
• As batteries age, their maintenance requirements change. This means
longer charging time and/or higher finish rate (higher amperage at the
end of the charge). Usually older batteries need to be watered more
often. And, their capacity decreases.
• Lead acid batteries should be brought up to full charge at the earliest
opportunity. Avoid continuously operating batteries in a partially charged
condition. This will shorten their life and reduce their capacity.
• Extreme temperatures can substantially affect battery performance
and charging. Cold reduces battery capacity and retards charging.
Heat increases water usage and can result in overcharging. Very
high temperatures can cause “thermal run-away” which may lead to
an explosion or fire. If extreme temperature is an unavoidable part of an
application, consult a battery/charger specialist about ways to deal with
the problem.
• Inactivity can be extremely harmful to all lead acid batteries. If seasonal
use is anticipated, we recommend the following:
A) Completely charge the battery before storing.
B) Remove all electrical connections from the battery, including
series/parallel connectors.
C) Store the battery in as cool a place as possible. However, do not
store in a location which will consistently be below 0°C (32°F).
Batteries will discharge when stored, the lower the temperature
the lower the self discharge.
D) When not in use, boost every two months.
• In situations where multiple batteries are connected in series, parallel
or series/parallel, replacement battery(s) should be of the same size, age
and usage level as the companion batteries. Do not put a new battery
into a pack which has 50 or more cycles. Either replace with all new or
use a good used battery(s).
• Periodic battery testing is an important preventative maintenance
procedure. A hydrometer reading of each cell (fully charged) gives an
indication of balance and true charge level. Imbalance could mean the
need for equalizing and is often a sign of improper charging or a bad
For sales and service call 0800 93 93 93
www.cyb.co.nz