... Lithium battery 2,Qulity guarantee. 3,Best service. Specificationsli-ion battery feature high energy density, high capacity, light weight ... LIR2450):1) Type: Button Li-ion; Bluetooth/MP3 Polymer Li-ion; Mobile Phone Polymer Li-ion; Li-ion Button; Notebook Computer/DVD/PDA ... Polymer Li-ion. LIR24502) Dimension: 24 ...