Exell 2/3A Size 1.2V 700mAh NiCD Rechargeable Button Top Battery Exell 2/3A Size 1.2V 700mAh NiCD Rechargeable Button Top Battery are excellent for building custom battery packs. If you are a novice or an old pro, these batteries will keep you powered up. These batteries can be recharged 500-1000 times giving you years of use. These high quality rechargeable Nickel Cadmium (Ni-Cd) batteries are exact replacements for standard battery in all the device. Provides ultra long use time per charge.