9V Alkaline Battery
These are your standard 9 Volt alkaline batteries. Don't even think about trying to recharge these. Use them with Arduinos or with a voltage regulator to get a solid 5V for your project.



These are your standard 9 Volt alkaline batteries. Don't even think about trying to recharge these. Use them with Arduinos or with a voltage regulator to get a solid 5V for your project.