HE-12V7.7FR


NPS
High-Efficiency Rechargeable Batteries

Description

Specifications HE-12V7.7FR
Nominal Voltage .............................................................................................. 12V
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 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
Max. Physical Size
Length.................................................................................. 5.95 inches (151mm)
Width .................................................................................... 2.53 inches (64mm)
Height (excluding terminals) .................................................. 3.69 inches (94mm)
Height (including terminals).................................................... 3.88 inches (99mm)
Weight .......................................................................................... 6.40 lbs (2.9kg)
Energy Density
(20 Hour Rate) .................................................................... 1.64 watt hrs/cu in
(20 Hour Rate)...................................................................... 14.40 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 14.6 to 15.0 volts with a
charging current of 2.5 ampere maximum.
Terminal: Standard is tin plated brass, positive terminal is 0.030 stock x 0.250
wide, negative terminal is 0.030 stock by 0.250 wide, mates with Amp Faston
series or equal.
Case Material: Flame Retardant ABS

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