Forever stamps are sold for the price of the current First-Class Mail single-piece 1-ounce letter price. The postage value of each forever stamp is the current First-Class Mail single-piece 1-ounce letter price. Forever stamps may be used only on single-piece price mail.
Lithium 150 mg. Lithium (Eskalith Â® , Eskalith CR Â® , Lithobid Â®) is a medication used for the treatment of bipolar disorder. It is available by prescription only and comes in several different forms and strengths, including:1  Lithium carbonate 150 mg capsules. Lithium carbonate 300 mg tablets. 2  Lithium carbonate 300 mg extended-release tablets (Lithobid). 3  Lithium carbonate 450 mg extended-release tablets (Eskalith CR). 4  Lithium citrate syrup, containing 8 mEq lithium per 5 mL, which is equivalent to 300 mg lithium carbonate per 5 mL or per teaspoonful.
There are several important differences. The practical difference between Lithium batteries and Lithium-ion (Li-ion) batteries is that most Lithium batteries are not rechargeable but Li-ion batteries are rechargeable. From a chemical standpoint Lithium batteries use lithium in it's pure metallic form.