The efforts to lift our power generation and electrical grid into the 21st century is a multipronged effort. It needs a new generation mix of low-carbon sources that... 

"The congestion of the container ports in southern China paralyzed world trade." The COVID19 epidemic in Guangdong Province, one of the main centers of global container... 

A power bank is one of the parameters used to determine what type of battery to use. there are several other parameters that must enter in. Without knowing your choice for the othe... 

with my little experience in lithium ion batteries i think these guys are making their own battery pack with combination of good quality 18650 lithium ion cell connected in series ...