I bought an old film camera for US$10. The retro SLR is teaching me to love photography again

I was lucky enough to find a film camera for around the cost of a roll of film by scouring garage sales and estate sales – ...
9to5google

Here’s why Google’s battery-powered Nest Cams aren’t getting a 2K upgrade, for now

Google’s latest lineup of Nest Cam devices has arrived, but there are no new battery models in the 2K refresh. Why? Google has an understandable answer. The new lineup of Nest Cam devices includes a ...
GSM Arena

Honor X9d announced with 8,300mAh battery and IP69K rating

Honor X9d is now official and it’s centered around a massive 8,300mAh silicon carbon (Si-C) battery and its IP69K rating, which can withstand high-temperature pressurized water jets. The X9d is ...
IEEE

A Method for Battery SoH Estimation Based on K-means and LightGBM algorithm

Abstract: The accurate prediction of the State of Health (SOH) of lithium-ion batteries is critical for the health monitoring and cost-effective operation of electric vehicles (EV) and energy storage ...