product descriptions:1.Model: LS145002.Voltage: 3.6 V3.Battery performance: the lithium battery4.Shelf life: more than 10 years5.Battery capacity: 2600 mah6.Size: 14 mm x 50 mm Feature:1.High voltage and stable working voltage (OCV >3.67V, voltage >3.0V)2.Pulse discharge advantage (recommended maximum pulse: a second / minute, 4500mA)3.More wide working temperature range (-60/100 storage:,: -60/85 )4.Higher capacity advantage (1/2AA 1.2AH and AA 2.7AH)5.Less self-discharge, longer service life of storage, (less than 1%, 615)6.More outstanding safety performance (no transport limited, UL certification,in line with the EN50020 "European explosion-proof electrical standards" requirements, can be used in explosive atmospheres)7.Long service life (more than 10 years' track record of History)8. Replacement For TL-5104, TL-5104/S, TL4903, TL4903S