... jacket Specifications:1) Description: primary battery, dry battery,zinc carbon battery,heavy duty battery, R6p,AA battery,SUM-3,15F2) Chemical system: Zn ... ) 3.9Ω, 24h/d, e.v. 0.9V (initial) 100min(carbon zinc battery ) 9) Appearance: No tolerance of scratches, stains, cracks ... size:50*27.5*21.5cm,weight:16.8kgs R6P heavy duty carbon zinc battery