Varta 4061 101 402. Battery type: Single-use battery, Battery size(s): AAAA, Battery technology: Alkaline. Height: 40.2 mm, Diameter: 8.3 mm, Weight: 13.4 g. Package width: 80 mm, Package depth: 10 mm, Package height: 120 mm. Battery form factor: Cylindrical. Shipping (inner) case width: 12.6 cm, Shipping (inner) case length: 5.9 cm, Shipping (inner) case height: 8.3 cm