<p>This set contains two batteries (7.4V – 2.2A) and a USB charger.<br><br>Charge your batteries by computer, wall charger, or any other device with a USB socket.<br><br>These batteries are fitted with a small Easy Connect Plug and can be used to power our heated gloves and socks.<br><br>Depending on the level of heating, the batteries can last up to 6 hours.<br></p>