6FM65
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
Positive and negative plates in lead-calcium-tin alloy;
Stable Quality&High Reliability;
Sealed Construcrion;
Long Service Life;
Maintenance-Free Operation;
Low Pressure Venting System;
Low Self Discharge;
U.L.Component Recognition;
Six months shelf life at 20°C;
Design life 10 years
Battery Specification
Performance Characteristics
Nominal Voltage. 12V
Number of cell. 6
Design Life. 10 year
Nominal Capacity 77°F(25°C)
10 hour rate (6.5A, 10.8V). 65.0Ah
5 hour rate (11.3A, 10.5V). 56.5Ah
1 hour rate (44.2A, 9.6V) 44.2Ah
Internal Resistance
Fully Charged battery 77°F(25°C) ≤6.8 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) 650A(5s)
Short Circuit Current. 1700A
Charge Methods: Constant Voltage Charge 77°F(25°C)
Cycle use. 2.40-2.45VPC
Maximumcharging current 19.5A
Temperature compensation -30mV/C
Standby use. 2.20-2.30VPC
Temperature compensation -20mV/C
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