1. Single battery must well dielectric packed, must has product packing and transportation packing, move abnormal sound from packaging
2. Positive and  negative must align as same side, can't be sound when move the packaging
3. Power bank or battery contains power switch must use fixture materials to do packaging, make sure it no space moving inside packaging
4. For transportation must use UN carton to do packaging, no abnormal voice from inside packaging
5. Single battery weight exceed 2 kg must use wooden case or crate to do packaging, make sure its no space moving inside packaging
6. Battery in carton weight not allowed exceed 10 kg

Pic left; battery not use dielectric packing, no separate packing. Pic right;  separate packing, dielectric packing good

Pic left; positive and negative side no align packing, Pic right;  positive and negative two side separate packing

Pic left; no good, Pic right; good

Pic left; no good, Pic right; good

Battery weight exceed 50 kg, must use wooden case to do packaging