1) Metal jacket
2) Leak proof
3) Discharge mode:
    a) 2.2Ω 4min/h,8h/d  e.v. 0.9v discharge time: 380min
    b) 2.2Ω 1h/d  e.v. 0.8v discharge time: 6.5h
    c) 3.9Ω 1h/d e.v. 0.9v discharge time:11.5h
    d) 10Ω,4h/d e.v. 0.9v discharge time:32h
    e) 1.5Ω,4min/15min,8h/d,e.v. 0.9v discharge time:180mins
4) Packing:
2pcs/shrink,12pcs/box,288pcs/ctn
G.W.:27.0kg
N.W.:26.0kg