Renogy MINI Lithium Battery 12V 300A. Smaller and lighter than traditional lead-acid batteries for space-saving installation. Grade-A prismatic LiFePO4 cells deliver 5000+ cycles at 80% depth of discharge (DOD). Low-temperature protection (charging: 0?C, discharging: -20?C ). IP65-rated construction and vibration-resistant design for all-weather durability. 5-year warranty. Certified by FCC, CE, ROHS, UKCA, and more. Works with a Renogy 300A Battery Shunt for Remote Monitoring. Dimensions approx. 384 x 194 x 253mm.