maintenance-free lead acid battery 12V4Ah

Model No.: WE1240-12V4.0AH
Nominal voltage: 12V
Number of cell: 6
Design life: 3 to 5 years
Capacity: 4.0Ah
Weight: 1.3kg (approximately)
Internal resistance: 19mO; (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: 60A (5 seconds) (25?)
Short circuit current: 200A
maintenance-free lead acid battery 12V4Ah