Winter

【The Lowest -4℉/-20°C Operating Temperature】12.8V 100Ah Smart Lithium Battery with Self-Heating allows you to charge your batteries in cold environments effortlessly, especially the built-in self-heating pad that can be charged at ambient temperatures...

【Intelligent Self-Heating Function】Power Queen LifePO4 Self-Heating Battery meets the upgrade self-heating function based on the previous battery. When the charging temperature falls below 41°F/5°C, the self-heating function will be automatically...