Renogy 300Ah 12V LiFePO4 Battery, Lithium Leisure Battery with Self-heating Function, 5000+ Deep Cycles, IP 65 and BMS Protection, Support 4S4P Connection for Caravan and Off Grid System

【Next-Gen Lightweight Design】By redesigning the integrated cells, the latest version is 12% lighter than Gen 1. That’s like removing a gallon of milk’s weight - making transport and storage easier. 【2x Faster Self-Heating】Experience the power of the Renogy 12V 300Ah Core Series LiFePO4 Battery with a 200W self-heating system. Engineered for safety, this function ensures consistent charging in extreme cold down to -4℉ (-20℃), securing your energy needs in any weather conditions. 【Versatile & Seamless Connection】Set up your system in the way you want, be it series, parallel, or series-parallel connection. Expandable up to 16 in series-parallel for maximum power up to 61.44kWh (4P4S, 51.2V 1200Ah). 【True All-Round BMS Protection】Built in with a reliable 200A battery management system (BMS) for regulating high discharge current of up to 200A. The included low-temperature cut-off makes for safer charging in winter and consistent performance in the long run. 【Responsive Customer Support】Whether you need help with sizing, installation tips, or any other support, we strive to have you covered with timely assistance in 24 hours. The Renogy 12V 300Ah Core Series Battery comes with a 5-year limited warranty.