I will carry on a back pack with me, the other 3 big pack, a small pack, sleeping bag, helmet and other stuffs went into another box.

其他的背包，我携带一个当随身行李，另外的三个大背包、一个小背包、睡袋、睡垫、还有安全帽等东西。

youdao

"To pack up" means to put something inside a briefcase, or a suitcase, or perhaps a box so that you can take it with you when you leave a place.

收拾”指把东西放进手提箱，或一个箱子，或者一个盒子，这样当你可以离开某地时，你就可以把它带走了。

youdao