MK ES4-6 Small Sealed Batteries 6 Volts, 4.5 Ah

Nominal Voltage (V) 6V

Nominal Capacity
20 hour rate ( 0.225A to 5.25V ) 4.5Ah
10 hour rate ( 0.428A to 5.25V ) 4.275Ah
5 hour rate ( 0.765A to 5.1V ) 3.825Ah
1C ( 4.5A to 4.80V ) 2.55Ah
3C ( 13.5A to 4.80V ) 1.8Ah

Weight Approx. 1.8Lbs. (0.82kg)

Internal Resistance (at 1KHz) Approx. 19 m

Maximum Discharge Current for
5 seconds : 67.5A

Operating Temperature Range
Charge -15oC ( 5oF ) to 40oC (104oF )
Discharge -15oC ( 5oF ) to 50oC (122oF )
Storage -15oC ( 5oF ) to 40oC (104oF )

Charge Retention (shelf life) at 20oC ( 68oF )
1 month 92%
3 months 90%
6 months 80%

Charging Methods at 25oC ( 77oF )
Cycle Use : Charging Voltage 7.20 to 7.50V Coefficient -5.0mv / oC / cell Maximum Charging Current : 1.35A

Standby Use : Float Charging Voltage 6.75 to 6.90V Coefficient -3.0mv / oC / cell

Case Material : ABS
(Option : UL94 HB Flame Retardant Case Material)
Terminal : F1