For how long do vacuum flasks keep warm or cold?

Vacuum flask users commonly ask the classic question:“How many hours does it keep warm?” or“How many hours does it keep cold?” Vacuum flasks are manufactured using double-layered steel and the air between these layers is vacuumed out to increase insulation. The thickness of the steel used, the type of steel, and even the size of […]

The Problem of Slow Charging of Power Banks

With the developing technology, developments in the technology of mobile chargers continue. We started to hear terms we had never heard before. Terms such as PD charging, and QC charging are noted on the chargers used. The most crucial problem experienced by those who purchase fast-charging power bank models is that the power bank charged […]