The most important asset of the ZINC CARBON AA battery is undoubtedly its low cost, thanks to the simple Zinc technology that has been used for a long time, anywhere in the world. For applications or devices that require little energy, the battery offers a lot of quality for an hourly cost that's simply unmatchable.
1. It is highly advisable to use batteries of the same type, brand, size and expiry date in one appliance
2. Don’t charge an alkaline or zinc-carbon battery, they are not designed to be charged