The new-generation button cell in an environment-friendly Nickel Metal Hydride technology for a wide range of applications. Can be used as memory batteries (backup), or in communications equipment, computers and consumer electronics. Without soldering tag. Battery & PSU technology: NiMH Battery size: 15H Battery type (category): Button cell (rechargeable) Capacity (mAh, Ah): 15 mAh Dimensions, height: 3.1mm Dimensions, Ø: 11.5mm Rechargeable: Yes Voltage: 1.2V Weight: 1.3 g .