How large? Up to ten years, maybe longer, depending on the watch, how powerful it is, and what you do with it. You shouldn't use a cobalt on a high drain watch, having said that.
Finally you can sell your phone to a firm BATTERY METALS that refurbished used cellular. This is a new option is definitely especially showing promise with the current economic economic downward spiral. You simply send your phone in and when it matches the model that the company is looking for you are paid. This incentive structure is making recycling old mobile phone handsets more trusted.
Most in the laptops now a day are along with Lithium-ion electrical power. Though there are Nickel-cadmium, Nickel metal hydride, etc, after the invention of lithium stocks-ion battery, because of efficiency most of the laptop manufacturers are selling it along with their respective laptops.
Want to function direct coming from the solar panel, and not carry an electric storage battery pack? We'll have to see should the devices matter to charge will manage to perform. Read with.
The processor goes upwards of 75-85C while under pressure but rarely dips below 40C when idle. Areas is a bit cooler of course, but 40C in the computer case is rather common despite good air-flow. If you propose on along with your notebook for this charger, take out the battery first left at 40% accusation. Use an air-tight plastic bag and set it into the fridge. Don't freeze.
Ah yes - the Apple power house of this beast can be a belter. Again this thing has been custom meant for the iPad (rather than some techie trawling with Apple warehouse looking at the used spare parts). Exactly where touch devices go - the iPad 64gb is hands about the best performance device out there, bar none.