rechargeable battery

I have an Anker Powerhouse 90 battery for recharging my Asus laptop, which needs a round tip plug charger . Fortunately, this Anker model an AC outlet. The Asus charger gets plugged into the AC outlet, and then into the laptop. What worries me, however, is that the Asus charger gets hot. When I...

I use multiple units of almost the same model of wireless mini keyboard with back-light. They are relatively cheap and do not really have a brand as many Chinese factories apparently copy the design with little to no changes. All of the keyboards used to die way too fast for my taste: despite...