6V4.5Ah maintenance-free lead acid battery

Model No.: WE645-6V4.5AH
Nominal voltage: 6V
Number of cell: 3
Design life: 3 to 5 years
Capacity: 4.5Ah
Weight: 0.73kg (approximately)
Internal resistance: 22mO (full charged at 25?)
Self discharge: 3% of capacity declined per month at 20? (average)
Operating temperature range:
Discharge: -20 to 60?
Charge: -10 to 60?
Storage: -20 to 60?
Maximum discharge current (25?): 67.5A (5 seconds)
Short-circuit current: 225A
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6V4.5Ah maintenance-free lead acid battery