The common problems in the use and maintenance of lithium batteries
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
Adding high-efficient water reducing agent is the most direct and effective means to adjust and optimize the ratio of concrete and improve and strengthen the properties of concrete, which can meet the requirements of most concrete construction at pre…
Tungsten alloy products have low thermal expansion and high density. They also absorb radiation and are high in thermal and electrical conductivity. About metal alloy 17g/cm3 Tungsten nickel iron bar Tungsten alloy bar: Tungsten is known for its hi…
What is gallium-nitride? A wide-bandgap, composite semiconductor material is gallium nitride. The calculations of a third party show that the standard mobile charger for mobile phones can either reduce its weight by as much as 40%, or produce more po…