power queen 12.8V 100Ah Auto-Heating Lithium Battery, Built-in 100A BMS, Support Low Temp. Charging -4°F/-20°C, Smart LiFePO4 Battery with 4000+ Cycles, Perfect for RV, Off-Grid System, and Outdoor - P12V100H-100

• 【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 of -4°F/-20°C. If you're looking for deep cycle batteries for RV, outdoor, or use in cold winters, this self-heating battery is the perfect solution for you. Let you in low temperature charging away from the traditional LiFePO4 battery trouble. 【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 activated. Heating will stop when the temperature reaches 50°F/10°C, and then the battery will be normally charged. No fear of winter coming. 【Ultra-Safe 100A BMS & 4000+ Cycles】Power Queen LifePO4 Battery with state-of-the-art battery cells ensures an exceptional lifespan of more than 4000+ cycles (100% DOD&100%SOC), and an Ultra-Safe and Stability 100A BMS system with a self-discharge, which enables provide 10-year lifetime. 【Capacity Expansion & More Energy】Power Queen 12.8V 100Ah LiFePO4 Self-Heating Battery supports 1280W load power, and it also can be connected in parallel & in series for larger capacity. Allow being extended up to 4S4P to get a 48V (51.2V) 400Ah battery bank. Meanwhile, Power Queen Lithium-iron batteries provide 20.48kWh energy (4P4S) that could be widely used for outdoor, RV and solar systems. 【U.S. Based warehouses & 24hrs Timely Service】Power Queen 12.8V 100Ah LiFePO4 Self-Heating Battery with a 5-year warranty. Customers in the United States are expected to receive the battery within 2~7 working days due to our local warehouses in CA, TX, and GA. We provide a strong battery package, quick delivery as well as 24 hours timely customer support.