make old battery new
Can you revive an old car battery? how your car battery deteriorates over the years—and whether you can do anything about it.. New "old looking" batteries make a new battery look old. this is easy to do these days if you have a computer and a color printer. just purchace a 1 1/2 volt alkaline. I've seen warnings that it's bad to mix new and old batteries -- why? is it a matter of a battery's age or a battery's voltage/current (remaining)?.
Intro: old car battery power back-up. there is a power shortage in where i live, so i manage to make a power back-up from some component i've already got and an old. Transcript: tips for reviving an old battery. remove and freeze the battery. if a new charger doesn't help, turn the phone over to examine the back casing.. Intro: reuse your old laptop battery to make a power bank [ play video ][ solar power bank ]few months ago my dell laptop battery did not work.whenever i unplug it.
