Box of Camelion Super Heavy Duty AAA2 blueFeatures Battery Shape: Cylindrical Brand Range: Blue Super Heavy Duty Rechargeable: No 40 Batteries in Box Battery Voltage: 1. 5V Camelion Zinc Carbon batteries are also known as super heavy duty (SHD) batteries. These batteries are leak proof and characteristics of providing stable current and durability. It's a perfect power solution for small household electronics such as clocks, flashlights, remote controls, etc.