SAFT LS14500 AA Size 3.6V 2250 mAh Li-SOCI2 Battery, Exp. Date 2012 – Cheap- batteries.com
Daniel Rosenfield on Twitter: "These @Duracell batteries died today - so much for expiry dates! If it expired in 2009... I probably bought them in 1999...!? Really makes you think hard about
Do Hearing Aid Batteries Expire and Can You Still Use It – Hearing Insider
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