SMT-044

SMT-044

Data Sheet Product

Battery Model SMT044(4V 4AH/20HR)
Designed Service Life 3-5 years
Capacity (25ºC) 20HR
(0.20A,5.25V) 
10HR
(0.385A,5.25V))
5HR
(0.687A,5.25V)
1HR
(2.40A,5.25V)
4.0AH  3.85AH 2.94AH 2.40AH
Dimension:
mm (1mm)
Length Width Height Total Height
47 47 100 104
Approx. Weight 0.44 kg
Internal Resistance Fully charged at 25ºC : 0.10 Ohm
Selfdischarge 3% of capacity declined per month at 25ºC 
 Capacity affectedby Temp. (20HR) 40ºC  25ºC 0ºC -15ºC
102%  100% 85% 65%
Charge Voltage (25ºC) Cycle use Standby use
4.80-5.00V(-15mV/ºC)
Max. Current: 1.20A
4.50-4.60V (-10mV/ºC)
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