if you are talking about rechargeable batterys in devices such as lights drills laptops then you should always charge them fully then use them until they are completely flat then fully recharge them again. it is bad for batterys to be left flat for long periods it is also bad for batterys if you half use them then charge them up
people often describe batterys as having memory if they are left flat for too long they loose some memory (ability to charge) if they are half use and then charged up they loose memory in the part of the battery that was not used
so basicaly use all the memory full charge full discharge full charge and so on
22 (1.5 volts each) AA batteries
batteries contains materials that are toxic, or poison to humans and animals. the chemicals can contaminate landfills, which gets into the soil or in water.
It is recommended to change the batteries in your thermostat once a year to ensure it functions properly.
Batteries aren't in properly. Battery contact points dirty. New batteries are faulty.
You should find somewhere that you can recycle these lithium batteries that you have. Also, contact your local city in how to dispose of these batteries.
You can find the information you are looking for at the following website: http://www.call2recycle.org/ This is a program to properly dispose of batteries and especially rechargeable phone batteries.
No, AA batteries should not get wet as it can damage them and cause them to malfunction.
To fit properly, no.
If they are recycled properly, no, they are not bad for the environment.
Don't understand what you mean by "exchangeable". Pretty much all batteries should be properly recycled. Best environmental choice is rechargeable batteries.
These cameras use rechargeable Lithium Ion batteries. The batteries are not a standard size such as AA batteries, but additional batteries are available from Sony and other manufacturers.
In most cases yes, they use batteries to start the engine.