It depends on the circumstances you want to use the battery for - if at all possible - use rechargeable ones.
Technically, any np-120 battery should work, but small variables such as case design may ruin your plan. You can take the risk and try any brand, but you should get a brand specific battery to ensure compatibility . You can buy np 120 batteries at batteries.com
That's happening because you dropped your PSP or your battery is really old. Now to fix this just buy a brand new PSP battery after that it should be fine.
Eveready batteries are a well known brand. The durability will depend on which battery that you buy, and the drain of the unit that the battery is in.
The price you will pay for a car battery, will depend on what type of battery you want. you can buy a no name battery, or you can go with a brand name battery. Which would cost you more
As long as the battery has the right dimensions the brand of battery should not matter much. The Sony brand, in my experience, is generally high-quality and low maintenance, so if you can afford it I would stick to the manufacturer brand.
I would not buy any battery over 6 months old.
There are a host of online merchants that sell lithium battery rechargers. For a reputable dealer, I recommend: http://www.shopwiki.com/d/285543/294950512/CR1225-~-Lithium-Battery-~-5-Batteries-~-Generic-Brand .
You can purchase any brand you wish as long at it is the correct size.
From $70 and up depending on the brand you buy.
vibrators so u can have fun if u know what i mean
Are you going to buy a new 12V rechargeable battery in the near future? This can be an expensive item that people like to take their time picking out. Make sure that you consider all your battery purchase options before you decide to buy one particular brand of battery over another.
You can find good batteries that last a while on Best Buy and Fry's sites. But you should know that it also depends on your laptop brand and model on how long your battery will last.