Alpha-Stim\u00ae is a handheld, battery-powered medical device. Your Alpha-Stim will arrive with lithium batteries to get you started (AA for Alpha-Stim M and AAA for Alpha-Stim AID.) Here are some important things to know when it\u2019s time to change the batteries in your device.Alpha-Stim\u00ae is a battery-powered medical device that fits in the palm of your hand.Do not use rechargeable batteries \u2013 Rechargeable batteries do not discharge evenly. The patented waveform produced by Alpha-Stim is very specific; the unstable power supply from rechargeable batteries may hinder its effectiveness.Lithium batteries last longer \u2013 You may use either alkaline or lithium batteries in your Alpha-Stim, but note that lithium batteries will last longer.When flying, switch to alkaline \u2013 You can bring your Alpha-Stim with you on flights or in checked luggage, but you\u2019ll want to switch to alkaline batteries to do so. Lithium batteries may pose a problem with airport security.Although you will need to replace the batteries in your Alpha-Stim as time goes by, Alpha-Stim remains more cost-effective than many medications \u2013 and it works better, too.Alpha-Stim\u00ae is a fast, safe, and effective treatment for anxiety, insomnia, depression, and pain. Alpha-Stim delivers Cranial Electrotherapy Stimulation (CES) to your brain through two Earclip Electrodes, bringing lasting relief from anxiety, insomnia, and depression. To treat pain, Alpha-Stim uses Microcurrent Electrical Therapy (MET), transmitted through two handheld Smart Probes, directly at the site of your pain.Relief is long lasting and often immediate; 9 out of 10 users experience clinically significant results. Alpha-Stim is backed by over 100 independent research studies, and the U.S. Military relies on its effectiveness to treat our Servicemen and women. With Alpha-Stim, there is no risk of addiction and no lasting side effects.Alpha-Stim is available by prescription in the United States and over the counter in other countries. Get started today!