Set of 4 AA carbon batteries | Aigostar 4 batteries AA Carbon 1.5V for a total of 4 batteries. Carbon batteries are widely used for low current devices such as quartz watch, remote control, radio, mouse and so on. Double technology: a new anti-corrosion steel shell and an anti-aging seal, to ensure safe use. Batteries without mercury, chromium, lead and other heavy metals. Specifications Type: Battery Carbon Model: AA Voltage Style: 1.5V - Main material in carbon, economical. Cheap and widely used product, applied in low current devices used indirectly as quartz watches, remote controls, radio, mouse etc. - Solid performance. The battery charge is more stable and lasting in a low current environment, which reduces the problem of frequent battery replacement. Safe and leak-proof product. Double-seat technology. Featuring a new steel casing and anti-wear seal, it has good stagnated performance and ensures safe use. - Without mercury, it has no environmental impact. Without mercury, chromium, lead and other heavy metals, it can be disposed of with any other refusal without recycle it necessarily.