When selecting a weed cart battery, you should consider the battery type (built-in or replaceable), capacity, adjustable voltage settings, thread type (standard 510 threads or magnetic adapters), compatibility with your specific vape cartridge, safety features such as overcharge protection and short circuit prevention, brand reputation and customer reviews. According to a survey, battery life is the most important factor for 86% of vapers. The Pulsar ReMEDi Variable Voltage Battery with Preheat, Yocan UNI Portable Box Mod, Pulsar ReMEDI M2 Variable Voltage Battery, Yocan UNI Pro Universal Vaporizer, Vapmod Dragoo Resin Cartridge Vape, Vapmod Dragoo 3D Cartridge Vape and Eleaf iStick Mini 10W Digital Mod Battery are among the best weed cart batteries available on our website. Ensure to read the product descriptions carefully to find the perfect weed cart battery for your needs.