1) PVC jacket
2) Leak proof
3) Discharge mode:
    a) 3.9Ω 4min/h,8h/d  e.v. 0.9v discharge time: 335min
    b)3.9Ω 1h/d  e.v. 0.8v discharge time:.6h
    c) 6.8Ω 1h/d e.v. 0.9v discharge time:11h
    d)20Ω,4h/d e.v. 0.9v discharge time:34h
4) Packing:
2pcs/shrink,12pcs/box,288pcs/ctn
G.W.:14.0kg 
N.W.:13.0kg