BougeRV 12V 400Ah Self-Heating LiFePO4 Battery, Low Temperature Protection, BMS, 2560Wh Deep Cycle Maintain Free Lithium Solar Battery for RV, Off-Grid, Cabin and Marine (4 Packs of 100Ah) - ISE144FOUR

• SELF-HEATING: Feature low-temp cut off protection and self-heating function. The battery will run the low temperature protection (low-temp cut off) below 32℉ and will auto-run self-heating below 33.8℉ while being charged. Worry free from damage the battery using it in colder climates or in the wintertime. Accurately identify the battery cell temperature with the temperature probe being putted in-between the battery cells. LONGER LAST: Adopt premium LiFePO4, BougeRV 12V 100Ah lithium battery provides 4000+ recharge cycles, 100% discharged rate and 10 years lifespan. Compare with lead-acid battery, which provides 500 recharge cycles and 50% discharged rate, lithium battery is more compact and has larger capacity than Lead-acid battery. LIGHTWEIGHT AND FIXABLE: BougeRV LiFePO4 is only 27.lbs weight, 50% lighter than a lead-acid battery with same capacity. Comes with 4 fixable holes, you can install the screw and fix the battery stably for RVs, Marine and Off-Grid Applications, it will not slide. You can also move the lithium battery easily with grabbing its handles on both side. ADVANCED SAFETY AND FASTER CHARGE: BougeRV lithium battery supports the max charge current can up to 1C (100A), which means you the battery can be full charged within 1 hours. It has built-in BMS protection, made of premium aluminum case, to keep your charge safer. Features overcharge, over-discharge, over-current and short circuit protection. SAFETY EXPANDABLE BATTERY BANK: Supporting Up to 16 Batteries in a Series-Parallel pack, the Max expandable capacity of the battery can up to 20480Wh, while it will also maintain a balanced voltage across all cells to keep the charging and discharging safe.