Sony's PlayStation is the successor kobalt minen to the PlayStation the world's most popular and as recently as July the world's best selling video game console.
In the RC boats sale, you'll find models in a wide array of sizes. The smaller ones can be just a few inches in length, while the bigger ones can be positively gargantuan reaching up to several feet. The choice will depend on how and where you plan to use the boat. A little one will be fast and easy to carry lithium facts around but may not perform well on rough waters. A bigger, heavier one will need a powerful engine and will be difficult to move from place to place but it can handle a bit of turbulence much better. Most tournaments place restrictions on the weight and dimensions of entries so read up if you plan on joining any of them.
ONickel Metal Hydride (NiMh) - Popular battery about 1-2 years ago. They are lighter than Nickel Cadmium batteries, but heavier than Lithium batteries. These should be cycled once in a while for optimum performance.
On the second point, iPOD batteries are smart charging. Now, you can't use your iPOD Nano battery to help study for a test! Rather, they're smart because they can tell the charger when they're almost full. When your iPOD is charging, it charges up to 80% capacity in no time flat. Then the iPOD battery tells the charger to slow down so the charging process goes lithium bettery stock from warp speed to snail's pace. This ensures that the battery doesn't overcharge, and makes certain that you're spending your time with your music, and not spending your cash on iPOD batteries.
You have more power to perform work better and faster such as drilling and screwing than the smaller model. Once I used the 18v model I found that I prefer to use it more often because it gives me more power to complete the same task with less effort. At the end of the day it is better and faster, productivity counts.
The bottom line, be gentle to your lithium-ion batteries. If you excessively charge the battery, with high voltages, and heavy load conditions, it will shorten your battery's life. It's best to charge at a slower rate.