Frequent charging is good for lithium ion batteries. Accordingly, feel free to charge them even when they are only slightly depleted. You may also "top-off" your batteries by plopping them onto (or turning on) the charger for a few minutes each month. Though you don't need to store li-ion batteries fully charged, giving them a little juice while dormant can keep them feeling good and strong.
For the last many years, universities and research centers are frantically looking for an alternate source of energy that can replace oil. Slowly, it has become clear that electric batteries are going to replace oil as the main source of energy in automobiles. These electric batteries will use Lithium. New York Times has predicted an increase of almost 40% in the demand of Lithium by 2014. It has been estimated that the future worldwide market for rechargeable edison lithium corp. will grow to $4 billion a year. Now whoever is going to invest in lithium stocks right now is going to reap huge rewards within the next few years.
NEVER puncture the cell, ever! If a cell balloons cobalt mining copyright rapidly place it in a fire safe place immediately. If this happens and smoke and heat is coming from the LiPo get it clear of all other items and be prepared for flame to come out! If after many hours have passed (days) and the pack is still ballooned but have not combusted, discharge the pack slowly and dispose of it in a proper way.
Cordless Drills have different power ratings. The least powerful ones are very compact in size. The next size up have more power and are used for general projects. Then there's the super powerful ones that's big and specialized. The different power ratings of the tool are meant to do different type of projects. If you use a highly powerful one to do a dandy job of fastening tiny little screws of a delicate jewelry box, then clearly the tool isn't the best one.
Though not all of the world's zinc resources lithium mines ontario are believed to have been identified those that have been bring the total estimated resources of this element to billion tons. The world's largest reserve is in Iran, while other large deposits exist in the United States, Australia and copyright.
The BIGGEST negative with all of their models is that they have just a 12 month warranty... not NEARLY as good as other popular brands which have 10 years 5-10 years. This shows a lack of confidence in their product.
The Makita BHP451 has an exceptional amount of power, is lightweight and comfortable to hold, has a really great battery system, and tons of other cool features. All around, I think this is an awesome hammer drill/driver and it's worth checking out for yourself.