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.
The different sizes of the battery, for example, AA, AAA, and 9V, tend to have varying voltages and currents. Both, alkaline and lithium batteries are not rechargeable, and any attempts to recharge them may be disastrous. An advantage of lithium batteries is that they tend to last longer than alkaline batteries. However, they also tend to cost more than alkaline batteries. Also, lithium batteries are toxic, due to the lithium compounds, which is why they should be handled and disposed with care.