What is the best way to provide rechargable power for an arduino based portable device? So far I've found the following options: 1: Use removable batteries and include an external charger with my ...
What is the specification of a standard car battery (e.g. of a 2008 Jetta)? Say, I want to connect an always-on alarm or a tracker to the electrical system of the car. Is it likely to deplete the ...
I've been researching here and on google regarding potential battery technologies for a toy that I want to make for my kids. I was hoping to get others' perspectives on this, keeping in mind that ...
I'm trying to replace the AAA batteries that came with my BT cordless phone, as they are terrible quality and have quickly degraded (they now only last about 20 minutes after full charge). They are ...
Do I need the battery to be present if notebook connected via Car Universal Laptop Power Adapter? [closed]
I am going for holiday and I want to use my old old Acer. The battery lasts for about 10 mins if not connected to the electricity outlet. If the notebook is connected via Car Universal Laptop Power ...