6FM55
Overview
The rechargeable batteries are lead-lead dioxide systems. The dilute sulfuric acid electrolyte is absorbed by separators and plates and thus immobilized. Should the battery be accidentally overcharged producing hydrogen and oxygen, special oneway valves allow the gases to escape thus avoiding excessive pressure build-up. Otherwise, the battery is completely sealed and is, therefore, maintenance-free, leak proof and usable in any position.
General Features
Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99% and freedom from electrolyte maintenance or water adding.
Not restricted for air transport-complies with IATA/ICAO Special Provision A67.
UL-recognized component.
Can be mounted in any orientation.
Computer designed lead, calcium tin alloy grid for high power density.
Long service life, float or cyclic applications.
Maintenance-free operation.
Low self discharge.
Case and cover available in both standard and flame retardant ABS.
Dimensions and Weight
Length(mm / inch) 239 / 9.41
Width(mm / inch) 132 / 5.20
Height(mm / inch) 205 / 8.07
Total Height(mm / inch) 210 / 8.27
Approx. Weight(Kg / lbs). 17.3 / 38.2
Battery Specification
Performance Characteristics
Nominal Voltage. 12V
Number of cell. 6
Design Life. 10 years
Nominal Capacity 77°F(25°C)
10 hour rate (5.5A, 10.8V). 55.0Ah
5 hour rate (9.23A, 10.5V). 46.15Ah
1 hour rate (35.1A, 9.6V) 35.1Ah
Internal Resistance
Fully Charged battery 77°F(25°C) ≤7.2 mOhms
Self-Discharge
3% of capacity declined per month at 20°C(average)
Operating Temperature Range
Discharge. -20~60°C
Charge. -10~60°C
Storage. -20~60°C
Max. Discharge Current 77°F(25°C) 550A(5s)
Short Circuit Current. 1400A
Charge Methods: Constant Voltage Charge 77°F(25°C)
Cycle use. 2.40-2.45VPC
Maximum charging current 16.5A
Temperature compensation -30mV/°C
Standby use. 2.20-2.30VPC
Temperature compensation. -20mV/°C
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