LiTime 12V 320Ah Mini Smart Self-Heating LiFePO4 BatteryThe LiTime 12V 320Ah Mini Smart Self-Heating battery delivers high capacity in a compact footprint. With 320Ah / 4096Wh of energy, Bluetooth monitoring, dual-mode self-heating, and a 200A BMS, it is built for serious RV, solar, and off-grid use — especially in cold climates.Key Features High capacity in a mini size — 4096Wh in a compact 14.49 × 7.44 × 10.04 inch case (about 35% smaller than typical 300Ah batteries) Self-Heating Technology — Dual heating modes for safe charging in temperatures as low as -4°F (-20°C) Bluetooth 5.0 with password control — Real-time monitoring of SOC, voltage, current, temperature, and heating status via the LiTime App 200A BMS — 200A continuous charge/discharge and up to 1000A peak (1 second); 2560W continuous output Long cycle life — 4,000 cycles at 100% DoD, up to 15,000 at 60% Lightweight for its capacity — Only 57.3 lbs Expandable — Supports up to 4P4S (up to 65.5 kWh) IP65 rated and 5-year warranty Ideal Applications Larger RVs and travel trailers Off-grid solar and cabin systems Cold-weather and winter camping Marine and high-demand 12V power setups