... long service life Specifications:1) Description: primary battery, dry battery, alkaline battery, Dsize battery, LR202) Chemical system: Zn / MnO23 ... 40ppm8) Discharge capacity: (discharge mode) 3.9Ω, 24h/d, e.v. 0.9V (initial) 39h9) Appearance: ... may impact the battery effectiveness and performance.10) Jacket: al-foil Label11)Quality standard:complies with ... .5cm,weight:15kgs LR20 D Size alkaline Battery