Deal of the day: Xiaomi Mi 9 Lite for less than 850 usd. At this price, it's hard to find a better smartphone

Good phone at an affordable price. The GearBest store has prepared promotional codes for your smartphone Xiaomi Mi 9 Lite. Today, at an attractive price, we can buy a phone in three colors: blue, gray or white. On board the Mi 9 Lite we find an octa-core processor Qualcomm Snapdragon 710, Adreno 616 graphic layout, … Read moreDeal of the day: Xiaomi Mi 9 Lite for less than 850 usd. At this price, it's hard to find a better smartphone

It's hard to imagine life without lithium-ion batteries – their creators have just received the Nobel Prize

Why did anyone actually decide to work on lithium-containing batteries? This is because lithium is the lightest of metals, and in addition has the largest electrochemical potential among them – it can provide the most energy in relation to weight. However, there were some problems with its use in batteries. When lithium was the anode, … Read moreIt's hard to imagine life without lithium-ion batteries – their creators have just received the Nobel Prize