521-HE12V7.7FR Eagle-Picher, 521-HE12V7.7FR Datasheet
521-HE12V7.7FR
Manufacturer Part Number
521-HE12V7.7FR
Description
Sealed Lead Acid Battery 12V 7.7Ah Recharge Lead Calcium
Manufacturer
Eagle-Picher
Datasheet
1.521-HE12V7.7FR.pdf
(2 pages)
Specifications of 521-HE12V7.7FR
Output Voltage
12 V
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
H I G H - E F F I C I E N C Y R E C H A R G E A B L E B A T T E R I E S
SPECIFICATIONS HE-6V7.7FR
Nominal Voltage ........................................................................ 6V
Nominal Capacity at 77°F (25°C) Voltage readings are per cell
Max. Physical Size
Length ........................................................ 5.95 inches (151mm)
Width............................................................ 1.35 inches (34mm)
Height (excluding terminals) ........................ 3.70 inches (94mm)
Height (including terminals).......................... 3.81 inches (97mm)
Weight ................................................................ 3.20 lbs (1.5kg)
Energy Density
Operating Temperature Range
Recharging Methods:
Terminal:
Case Material: Flame Retardant ABS
SPECIFICATIONS HE-12V7.7FR
Nominal Voltage...................................................................... 12V
Nominal Capacity at 77°F (25°C) Voltage readings are per cell
Max. Physical Size
Length ........................................................ 5.95 inches (151mm)
Width............................................................ 2.56 inches (65mm)
Height (excluding terminals) ........................ 3.74 inches (95mm)
Height (including terminals)........................ 3.98 inches (101mm)
Weight ................................................................ 6.40 lbs (2.9kg)
Energy Density
Operating Temperature Range
Recharging Methods:
Terminal:
Case Material: Flame Retardant ABS
Above data are average values which can be obtained within
3 charge/discharge cycles. These are not minimum values.
20 Hour Rate (0.385 amps to 1.75 volts).. 7.70 ampere hours
8 Hour Rate (0.870 amps to 1.75 volts).... 6.90 ampere hours
5 Hour Rate (1.35 amps to 1.75 volts) ...... 6.80 ampere hours
1 Hour Rate (4.9 amps to 1.75 volts) ........ 4.90 ampere hours
1/2 Hour Rate (7.8 amps to 1.75 volts) .... 3.90 ampere hours
(20 Hour Rate) .......................................... 1.56 watt hrs/cu in
(20 Hour Rate) .......................................... 14.40 watt hrs/lbs
Discharge ........................ -60°F to +140°F (-51°C to +60°C)
Charge ................................ 0°F to +120°F (-18°C to +49°C)
Float Charging: Constant Potential Source of
6.8 to 6.9 volts continuously.
Routine Charging: Constant Potential Source of 7.3 to 7.5 volts
with a charging current of 2.5 ampere maximum.
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.
20 Hour Rate (0.385 amps to 1.75 volts).. 7.70 ampere hours
8 Hour Rate (0.870 amps to 1.75 volts).... 6.90 ampere hours
5 Hour Rate (1.35 amps to 1.75 volts) ...... 6.80 ampere hours
1 Hour Rate (4.9 amps to 1.75 volts) ........ 4.90 ampere hours
1/2 Hour Rate (7.8 amps to 1.75 volts) .... 3.90 ampere hours
(20 Hour Rate) .......................................... 1.64 watt hrs/cu in
(20 Hour Rate) .......................................... 14.40 watt hrs/lbs
Discharge ........................ -60°F to +140°F (-51°C to +60°C)
Charge ................................ 0°F to +120°F (-18°C to +49°C)
Float Charging: Constant Potential Source of
13.6 to 13.8 volts continuously.
Routine Charging: Constant Potential Source of 14.6 to 15.0
volts with a charging current of 2.5 ampere maximum.
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.
P RO D U C T S C H E M AT I C S
HE
®
Series
(151)
(151)
5.95
5.95
2.56
(65)
1.35
(34)
HE-6V7.7FR
HE-12V7.7FR
HE-6V7.7FR
3.70
(94)
HE-12V7.7FR
3.74
(95)
3.81
(97)
(101)
3.98
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521-HE12V7.7FR Summary of contents
Page 1
SPECIFICATIONS HE-6V7.7FR Nominal Voltage ........................................................................ 6V Nominal Capacity at 77°F (25°C) Voltage readings are per cell 20 Hour Rate (0.385 amps to 1.75 volts).. 7.70 ampere hours 8 Hour Rate (0.870 amps to 1.75 volts).... 6.90 ampere hours 5 Hour ...
Page 2
Charging vs Temperature The charging of Carefree batteries is best accomplished in a temperature range of 60°F to 90°F. Charging within this temperature range requires no temperature compensation. For applications over a wider temperature range, charging voltage must be changed ...