Promotational & high quality R40 dry battery High capacity emergency battery High magnification and environmental Equivalents:6, ... 6, R40. Description:Zn/Mn battery, R40battery, No.6 battery, high-power battery, environmental battery, Hg ,lead and Cd ... Do not attempt to decomposition, recharge, heating the battery. 3, Do not mix old and new batter ... Promotational & high quality R40 dry battery