Lithium-Akku: Gibt es bessere Alternativen? - DER SPIEGEL
Amazon.com: EEMB ER14250 3.6V 1/2 AA Lithium Battery Li-SOCL₂ 100PACK 1200mAh High Capacity UL Certified Single-Use 3.6V Lithium Thionyl Chloride Battery DO NOT Charge Battery : Health & Household