RS PRO Non-Rechargeable AA Batteries (1.5V) RS PRO PP3 Alkaline batteries are ideal for every day devicesand is built to the highest standards to ensure consumers get the best performance with every use.;The 9V batteries are constructed from high purity materials extending battery life by up to twice as long as standard PP3 Alkaline batteries. Referred to as a primary cell battery they are non-rechargeable and are designed to be used until the charge is depleted and then discarded. Features and Benefits 9V PP3 battery;Alkaline chemistry;Non-rechargeable;Long life battery design FAQs Are Alkaline Batteries Harmful?;Alkaline batteries can sometimes leak a substance called potassium hydroxide which is a caustic agent that can cause eye, skin and respiratory irritations. This risk is reduced by not mixing different manufacturer battery types, batteries of different chemistries and by the replacement of all batteries at the same time. ;How to dispose of Alkaline/Lithium Batteries?;Recycle responsibly, a wide range of schemes are available.;Are these batteries rechargeable?;No, these batteries are not rechargeable. Guidance: Always install the batteries correctly as per instruction;Ensure that the contact points are clean and conductive;Do not mix different types of battery;Do not heat or attempt to recharge the battery;Do not dispose of in a fire