CF-6V33
CF-12V33-C
Carefree®
S P E C I F I C AT I O N S C F - 6 V 3 3
Nominal Voltage ........................................................................ 6V
Nominal Capacity at 77°F (25°C) Voltage readings are per cell
20 Hour Rate (1.65 amps to 1.75 volts) ...... 33 ampere hours
10 Hour Rate (3.1 amps to 1.75 volts) ........ 31 ampere hours
5 Hour Rate (5.4 amps to 1.60 volts) .......... 27 ampere hours
1 Hour Rate (19 amps to 1.60 volts) ............ 19 ampere hours
1/2 Hour Rate (35 amps to 1.60 volts) .... 17.5 ampere hours
Max. Physical Size
Length ........................................................6.25 inches (159mm)
Width............................................................ 3.35 inches (85mm)
Height (excluding terminals) ...................... 6.50 inches (165mm)
Height (including terminals)........................ 6.75 inches (171mm)
Weight ................................................................ 12.2 lbs (5.5kg)
Energy Density
(20 Hour Rate) .......................................... 1.45 watt hrs/cu in
(20 Hour Rate) .......................................... 16.23 watt hrs/lbs
Operating Temperature Range
Discharge ........................ -60°F to +140°F (-51°C to +60°C)
Charge ................................ 0°F to +120°F (-18°C to +49°C)
Recharging Methods
Float Charging: Constant Potential Source of 6.8 to
6.9 volts continuously.
Routine Charging: Constant Potential Source of 7.25 to
7.45 volts with a charging current of 10 ampere maximum.
Terminal: Standard is tin plated brass, positive terminal is 0.030
stock by 0.250 wide, negative terminal is 0.030 stock by
0.250 wide, mates with Amp Faston series or equal.
Case Material: ABS
P RO D U C T S C H E M AT I C S
S P E C I F I C AT I O N S C F - 1 2 V 3 3 - C
Nominal Voltage .................................................................... 12V
Nominal Capacity at 77°F (25°C) Voltage readings are per cell
20 Hour Rate (1.65 amps to 1.75 volts)............ 33 ampere hours
10 Hour Rate (3.1 amps to 1.75 volts).............. 31 ampere hours
5 Hour Rate (5.4 amps to 1.60 volts) ................ 27 ampere hours
1 Hour Rate (19 amps to 1.60 volts) ................ 19 ampere hours
1/2 Hour Rate (35 amps to 1.60 volts).......... 17.5 ampere hours
Max. Physical Size
Length ........................................................ 6.72 inches (171mm)
Width ........................................................ 6.25 inches (159mm)
Height (excluding terminals) ........................ 6.5 inches (165mm)
Height (including terminals)........................ 6.75 inches (171mm)
Weight .............................................................. 24.5 lbs (11.2kg)
Energy Density
(20 Hour Rate) .......................................... 1.45 watt hrs/cu in
(20 Hour Rate) .......................................... 16.16 watt hrs/lbs
Operating Temperature Range
Discharge ........................ -60°F to +140°F (-51°C to +60°C)
Charge ................................ 0°F to +120°F (-18°C to +49°C)
Recharging Methods:
Float Charging: Constant Potential Source of 13.6 to
13.8 volts continuously.
Routine Charging: Constant Potential Source of 14.4 to
14.7 volts with a charging current of 10 ampere maximum.
Terminal: Standard is tin plated brass, positive terminal is 0.030
stock by 0.250 wide, negative terminal is 0.030 stock by
0.250 wide, mates with Amp Faston series or equal.
Case Material: ABS
3.35
(85)
CF-6V33
6.25
(159)
6.75
6.50 (171)
(165)
6.25
(159)
CF-12V33-C
6.72
(171)
6.50
(165)
6.75
(171)
Above data are average values which can be obtained within
3 charge/discharge cycles. These are not minimum values.
MAINTENANCE-FREE RECHARGEABLE BATTERIES
CF-6V33
CF-12V33-C
Carefree®
Charge Voltage per Cell vs. Temperature
2.7
Deep Cyclic Charging
Charging vs Temperature
2.6
The charging of Carefree batteries is best accomplished in a temperature range of 60°F
2.5
VOLTS PER CELL
Shallow Cyclic Charging
to 90°F. Charging within this temperature range requires no temperature compensation.
For applications over a wider temperature range, charging voltage must be changed as a
Float Charging
2.4
2.3
function of temperature. (see chart at right)
2.2
Capacity vs Temperature
10
50
0
32
-10
-14
-20
-4
20
68
50 (oC)
122 (oF)
40
104
30
86
AMBIENT TEMPERATURE
The efficiency of the lead-acid system decreases as the temperature decreases and increases
Capacity as Affected by Temperature
as temperature increases from room temperature (77°) as illustrated. These four curves
@ VARIOUS RATES OF DISCHARGE
shown are based on discharges at the 20 hour, 5 hour, 11/2 hour and 1 hour rates.
110
100
PERCENTAGE OF FULL CAPACITY
Self-Discharge Characteristics
High temperature increases the rate of self-discharge of all battery systems but even in
this respect, the lead-calcium battery is perhaps least affected. In general, the rate of
self-discharge can be expected to double for each 20°F rise in temperature above 70°F.
Battery Operating Conditions & Cautions
20 hr.
90
80
5 hr.
70
60
11/2 hr.
1 hr.
50
40
30
20
10
Battery contains toxic material (lead) and corrosive fluid (sulfuric acid) • Charging can
0
produce explosive gases • Do not charge in gas tight enclosures • Charge battery in a
-40
-40
-20
-29
20
-7
0
-18
after use • Do not store battery in discharged state • Do not puncture, disassemble, mutilate
6.0
12.0
BATTERY VOLTAGE (V)
6.5
13.0
excellent service. When placing the battery into service it must be inspected to make sure
5.5
11.0
5.0
10.0
35A
35A
4.5
9.0
0
1
6 Volt
12 Volt
and eyes. If contact is made with a damaged battery, immediately wash the contacted area
with water for at least 5 minutes. When installing the battery in equipment, ventilation must
be provided. Toward the end of charge and under overcharge conditions, hydrogen and
oxygen gas can be generated. If this gas is allowed to accumulate in the enclosure and a
spark is introduced, an explosion could result.
The specifications on this sheet may be changed by EaglePicher Technologies, LLC, without notice.
3220 Industrial Drive • Joplin, MO 64801
Tel: 1-800-201-0215 • Fax: 417-626-2078
E-mail: customerservice.commpwr@eaglepicher.com • Web site: www.epcompower.com
3.1A 1.65A
3.1A 1.65A
5
10
19A
19A
2
3
5
10
20 30
60
2
3
20 30
hrs.
min.
DISCHARGE TIME
100
80
60
100ooF
38 C
40
60ooF
16 C
o
80o F
27 C
20
0
2
4
6
8
10
STORAGE TIME - MONTHS
Carefree®
5.4A
5.4A
Typical Self-Discharge Characteristics
PERCENTAGE OF NOMINAL CAPACITY (AMPERE HOURS)
corrosion of adjacent components. Any sulfuric acid can cause severe burns to the skin
120 140 ( F)
o
49 60 ( C)
4.0
8.0
that the battery has not been damaged by rough handling. If the unit has been damaged,
there is a possibility of a loss of a small amount of sulfuric acid electrolyte and possible
o
100
38
DISCHARGE CURVE
fire • Keep batteries and chargers away from children • Charge battery as soon as possible
All CAREFREE batteries are carefully assembled and with proper charging will provide
80
27
Typical Voltage Characteristic (77°F)
controlled charger • Do not short-circuit battery terminals, as this can cause an explosion or
Installation Care
60
16
TEMPERATURE
well-ventilated area away from sparks, flames or smoking • Use approved voltage
or incinerate • MUST BE RECYCLED OR DISPOSED OF PROPERLY
40
4
12
14
40ooF
4C