Sungold Power 4 X 12V 100AH Deep Cycle Lithium Battery / Bluetooth / Self-Heating / IP65
HIGHLIGHT: Grade A battery Cell: Manufactured with automotive-grade battery cells with UL1973. High-quality battery cells make LiFePO4 battery provide 4000+deep cycles and more than 10 years lifetime, 5 years warranty. Advanced BMS: 12V100AH LifePO4 Battery Built-in 100A BMS provides comprehensive protection to the battery from overcharging & discharging, over the current, short circuits, and high-temperature cut-off. Bluetooth module/ LCD display: you can check the battery voltage/SOC on the LCD display. When you are away, the Bluetooth module can also help you monitor your battery's real-time information more accurately and conveniently on mobile devices. Self-Heating Function: The intelligent self-heating function will be auto-activated operating when the battery’s core temperature drops below 33.8 °F (1 °C), and will be stopped when the temperature has reached 42.8 °F(6 °C). Perfect keeping your battery charged in cold winters, and are not restricted by the ambient t