LS14500 lithium batteries from Saft are available here in packs of 5. LS14500 batteries are 3.6V AA lithium thionyl chloride (Li-SOCI2). They are popular choices for utility meters, including the new smart electricity meters and automated meter reading devices. LS14500 batteries are also used in security equipment and wireless alarm systems, along with memory back up and electronic toll collection machines. This pack of 5 x Saft LS14500 batteries is a great cost-effective power solution for your needs. Made in France these Saft LS14500 have the silver collar around the positive terminal rather than green which denotes the product made in China, we hope this little tip helps you identify the two types. Please note these batteries are not rechargeable. Technical specifications Chemistry Lithium Thionyl Chloride (Li-SOCI2) Nominal Voltage 3.6V Nominal Capacity 2.6 Ah (2600mAh) Nominal Current 2mA Maximum Continuous Discharge Current 70mA Weight 17g (per battery) Temperature Range -60°C up to 80°C Diameter 14.65mm Length 50.3mm