CF-12V40FR


NPS
Maintenance-Free Rechargeable Batteries

Description

Specifications CF-12V40FR


Nominal Open Circuit Voltage ................................12.72V
Nominal Working Voltage ...................................... 11.88V
Nominal Capacity at 77°F (25°C)
Voltage readings are per cell
20 Hour Rate
(1.85 amps to 1.75 volts)................ 37.0 ampere hours
10 Hour Rate
(3.40 amps to 1.75 volts)................ 34.0 ampere hours
5 Hour Rate
(6.00 amps to 1.75 volts)................ 30.0 ampere hours
1 Hour Rate
(21.00 amps to 1.60 volts).............. 21.0 ampere hours
1/2 Hour Rate
(31.00 amps to 1.60 volts).............. 15.5 ampere hours
Max. Physical Size:
Length ............................................ 10.0 inches (254mm)
Width .................................................. 3.8 inches (97mm)
Height (excluding terminals).............. 8.0 inches (203mm)
Height (including terminals).............. 8.0 inches (203mm)
Weight .................................................. 33.0 lbs (15.0kg)
Energy Density
(20 Hour Rate) ................................ 1.45 watt hrs/cu in
(20 Hour Rate).................................... 11.9 watt hrs/lbs
Operating Temperature Range
Discharge .............. -60°F to +160°F (-51°C to +71°C)
Charge ...................... 0°F to +122°F (-18°C to +50°C)
Recharging Methods:
Float Charging: Constant Potential Source of 13.68 to
13.92 volts continuously.
Routine Charging: Constant Potential Source of 14.70 to
15.0 volts with a charging current of 13.5 ampere
maximum.
Hardware Package:
Two 10-32 x 1/2" Lg. 10mm Hex Head Bolts; Two No. 10
Flat Washers, and Two No. 10 Split Ring Lock Washers -
all are Stainless Steel.
Terminal: Lead plated copper insert threaded for 10-32 bolt.
Flame Arrestor - Polypropylene 1.0 cu ft/min (27l/min)
Case Material: Polycarbonate Flame Class: UL94 V-O
Limited Oxygen Index: 35%
Float Life Expectancy: 8+ years at 77°F (25°C)

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