Using your lithium ion stocks mobile phone in G or Dual Mode drains the battery much quicker than just GSM mode. Somewhere in the manual for your phone will be listed the battery times separately for GSM and 3G. On modern mobile phones, the GSM only life-cycle can be up to 50% more efficient.
Apple has an official out-of-warranty battery replacement program for shipping in the United States(see Europe Lithium mines Ontario and copyright pricing The policy requires that you send in your iPod any model and Apple will change the battery and ship it to you for plus handling and shipping. Technically, Apple in reality exchanges your whole unit with an equivalent original model or factory-refurbished model in a brand new cover, with its own 90-day service warranty; if it was previously engraved by Apple, it will be engraved again.
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 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.
Ultraviolet light is becoming popular because it's effective in quickly killing all microorganisms. The ultraviolet light destroys their DNA which prevents them from reproducing. Early models were expensive and didn't work with a wide variety of water containers, but that's all changing. The "SteriPEN Adventurer" weighs 3.6 ounces and ships with two CR123 batteries. Rechargeable batteries are also available. Nickel metal hydride batteries are recommended for cold weather use. This style or Lithium battery stocks disposable batteries will give you about 200 treatments. The Adventurer can purify a quart of water in 48 seconds. The cost is $129.95.
Please make no mistake that extremely cheap cell phone batteries are not of good quality entirely. If you know what you are looking for and where to look for these, then you will surely get a good deal of your money.
Battery chargers for mobile phones are notable in that they come in a wide variety of connector-styles and voltages, most of which are not compatible with other manufactures' phones or even different models of phones from a single manufacturer.