【Low Temp Protection】LiTime 12V200Ah PLUS LiFePO4 self-heating battery is an upgrade with built-in self-heating pads enable charging at -4°F ambient temperature. Especially designed for the low temperature charging environment in winter. Widely used for RV, cabin, off-grid or marine in cold winters. (Charge: -4°F to 122°F, Discharge: -4°F to 140°F)【Automatic Self-Heating Function】LiTime smart self-heating function will be automatically activated once the charging temperature drops below 32°F (0°C). The heating will be stopped when the temperature has reached 41°F (5°C), and then the battery will be normally charged. This revolutionary self-heating technology allows you to charge your batteries in cold environments effortlessly.【40.96kW Power & 40.96kWh Energy Achievable】LiTime 12V200Ah PLUS Self-heating LiFePO4 batteries can be connected in parallel and series for larger capacity and voltage. Allow being extended up to 4 in series and 4 in parallel (Max. 4S4P) to get more capacity (Max. 800Ah) and higher voltage (24V, 36V, 48V). Plus, the auto-balancing function will help batteries in series/parallel to improve the average charging efficiency for your batteries in the long term.【For Trolling Motor, Starting Battery 】LiTime 12V 200Ah PLUS Self-heating LiFePO4 battery is suitable for energy storage ,12V 200Ah PLUS LiFePO4 battery is recommended for 30~70lbs thrust trolling motor. Note: cannot be used as a starting battery!【5-Year Warranty】 LiTime is committed to providing you with satisfactory service. Litime LiFePO4 battery provide 5 years warranty for worry-free experience. We also provide professional technical support and online customer service with quick feedback within 24 hrs.On Mar 10, 2024 at 20:08:10 PDT, seller added the following information: