| Battery Model | SMT044(4V 4AH/20HR) |
| Designed Service Life | 3-5 years |
| Capacity (25ºC) | 20HR (0.20A,5.25V ) 4.0AH 10HR (0.385A,5.25V) 3.85AH 5HR (0.687A,5.25V) 2.94AH 1HR (2.40A,5.25V) 2.40AH |
| Dimension: mm (1mm) | Length: 47 Width: 47 Height: 100 Total Height: 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 102% 25ºC 100% 0ºC 85% -15ºC 65% |
| Charge Voltage (25ºC) | Cycle use 4.80-5.00V(-15mV/ºC) Max. Current: 1.20A Standby use 4.50-4.60V (-10mV/ºC) |
