4 x Duracell 9V Batteries . . Brand New 9 volt block battery MN1604 6LR61 | eBay
Duracell - CopperTop 9V Alkaline Batteries - long lasting all-purpose 9 Volt battery for household and business - 4 count (packaging may vary) MN16B4DW | Fast Server Corp. www.srvfast.com