1,Super alkaline button cells 1.5v 2, mercury free SGS rohs approved. 3, Leakage proof, 2 years shelf life. Untra environmental friendly button cell batteryMade from high-quality materialsExcellent performanceExcellent storage performance and low self-discharge rateAG Alkaline coin cell1.5V:Model Chemistry Voltage Capacity Dimension WeightAG0 / L521 Alkaline 1.5V 10mAh 5.8*2.1 0.28gAG1 / L621 ...