Model: ER14505 Chemistry System: Primary Lithium Battery (Lithium Thionyl Chloride, Li-SOCl2) Specification: 3.6V, AA size, 2400mAh Dimension: 14.5x50.5 mm Weight: 19 grams Operating temperature: -55 ~85 Celsius degree Standard Packing: 300PCS/Carton, 295*245*245mm/Carton, 5.7Kg@Net Weight, 6.2Kg@Gross Weight. Equivalent Models: Tadiran TL-5903, TL-2100, TL-4903, TL-5104; Saft LS-14500, LS-14500C, LSX-14500, LST-14500; Sonnenschein SL-360/S, SL-760/S, SL-150/S; Maxell ER6S-TC; Other product of the same chemistry: ER14250(M), ER17505(M), ER18505(M), ER26500(M), ER34615(M) All Products above have passed UN transportation testing which is required for international transportation of all lithium batteries.