... certificated 2 Reliable service life 3 Manufactory price Ni-mh button battery 2.4V 80mah Specifications:1)Model: ... charger, smart chargers, plug in charger or universal chargersSupply Ni-MH cylinder rechargeable batteries include AAA, AA, A, SC, ... Ni-MH( Nickel metal hydride)NI-MH buttoncell battery apply in elctronic water heater,rice cooker,timer,wireless headphone,electronic toy,cash register,solar ...