http://www.g-techbattery.com/lifepo4-battery/3-2v-lithium-battery-cell/ Product Advantages The 32650 Lifepo4 Battery Cell adopts a stable battery formula and is designed with a safety valve, which can automatically deflate when the internal pressure of the battery is too large due to wrong use of the battery such as short circuit or reverse connection, so as to prevent the battery from bursting. The battery also uses low self-discharge technology, which can effectively reduce the natural loss of power during long-term storage. The Battery Cell is made of environmentally friendly materials, which strictly meet the standard requirements of industrial production and will not pollute the environment. China 3.2V Lithium Battery Cell suppliers website:http://www.g-techbattery.com/lifepo4-battery/3-2v-lithium-battery-cell/