Well, isn't that a happy little question! You can find a 12 volt linear actuator at many places, like hardware stores, online retailers, or specialty electronics shops. Just remember to measure twice and choose the one that fits your needs best, and soon you'll be creating beautiful movements in your projects.
You have to buy a transformer or converter from 220v to 110v.
Nowhere
A company could buy a linear rail at a number of sites and stores. PBC Linear offers linear rails, guides, bearing, and more. Rollon Corporation also offers linear rails and more. Haydon Kerk offers linear rails, actuators and more also.
Remote Function Actuator Modules can be bought from the car manufacturer. Also, these components are available at specialty car shops.
Wait til they come out
buy a battery charger
Buying a six volt battery is better than 12 volt. If you buy the 6 volt takes up less power so it holds more.
You can buy 6v photocell dusk to dawn switches from Acetek photocells
You would need a 24 volt charger. Connect them in parallel and you can charge them both with a 12 volt charger. Or disconnect them and charge each one separately.
One can purchase a 12 volt light from a variety of stores. Some of the stores that sell 12 volt lights include Amazon, The Solar Store, eBay, and Bulbtown.
Yes, but you are limited to the amount of current draw the 120 volt load can apply to the adapter.
u need to buy a new door lock actuator