Additional 2 cartridges (2 kilos) containing 5 ice packs each. Identical to the ones part of the ComeBeCool Personal Cooling Backpack 2026. For an immediate extension of cooling time*, this extra pair of cartridges is to be kept ready (i.e. frozen, in a freezer, a refrigerator, a cooler or a thermal bag) and will provide for a strong cooling effect for more than 1 hour for a simple walk in hot weather with a well insulating garment or for about 30 minutes during intense sporting activities.
Durable construction: to be used again and again. With a 2-years warranty.
* This immediate cooling time extension is possible because the fully charged rechargeable battery can run the fan for about twice the normal usage time of the 2 cartridges of ice packs.
