Can a 9v E-sized battery connected in a series with a AA/AAA battery be used to run a remote control car that usually runs on 10.5v (8x AA/AAA)? - Quora
Inside Another 9 V Battery – The Smell of Molten Projects in the Morning
Rayovac High Energy 9V Alkaline Batteries, 2 count - Walmart.com
Duracell Coppertop 4-Count 9-Volt Alkaline Battery Mix Pack (8 Total Batteries) 004133304311 - The Home Depot
Amazon.com: Amazon Basics 8 Units Pack 9 Volt Performance All-Purpose Alkaline Batteries, 5-Year Shelf Life, Easy to Open Value Package : Health & Household
9 Volt Battery Hack! : 4 Steps - Instructables
Get Six 1.5V Cells From One 9V Battery (with Pictures) - Instructables