【What is A Used-Very Good Battery】Batteries that have been used for around 30 days with minor cosmetic scratches and no issues with battery performance. Used-very Good batteries are more affordable, we assure you that our batteries are thoroughly checked and tested before delivery,while our used-very good batteries have a 5-year warranty.

【2X Faster Heating Speed with 100W Heating Power】Redodo 12V 100Ah LiFePO4 battery heater is equipped with 100W dual heating pads. This self-heating function automatically activates when the temperature of battery drops below 32°F (0°C). Once the temperature hits 41°F (5°C), heating stops, and the charing to the battery resumes normally. This revolutionary technology ensures effortless charging in cold environments.

【Low Temp Cut Off Protection】When the battery cells' temperature dips below 32°F, charging halts until the heating pads raise the battery’s temperature above 41°F, ensuring optimal performance and safety. Plus, it's equipped to cease discharging when temperatures plummet below -4℉.Choose the Redodo 100Ah Self-Heating Battery with Low Temp Cut Off Protection for Enhanced Cold Weather Performance and Extended Lifespan.

【65% Lighter Weight & 3X Energy Density】The Redodo 100Ah Self-Heating battery, weighing only 23.32lbs, is a powerhouse delivering 200% more energy while being 65% lighter compared to a 100Ah AGM battery.

【100A BMS & Grade A Cells】The Redodo 100Ah self-heating lithium battery boasts a smart 100A BMS with temperature sensors . This safeguards against overcharging, over-discharging, over-current, short-circuits, low/high-temp. Paired with Automotive Grade cells, it offers up to 4000 deep cycles (@100% DOD) and a 10-year service life for unmatched reliability.

【Max. 20.48kWh System Expansion】Easily expandable to a massive 51.2V 400Ah LiFePO4 battery system, providing 20.49kWh of energy output, it's the best deep cycle battery for RVs, boats, camping, and solar home systems. Please note,this battery is NOT suitable for use as a starter battery, golf cart battery, or for high-power applications such as water pumps, electric jacks, elevator lifts, pool vacuums, or mowers.