@lifepo4lithiumbattery: 15kwh 16kwh 20kwh 23.5kwh 30kwh 32kwh 46kwh 50kwh LONGKEE solar home energy storage lithium batteries use A-grade cells from the brand EVE CATL. They have 8,000 charge-discharge cycles and a lifespan of over ten years, so you won't have to pay high electricity bills for another decade, let alone endure the heat and darkness without power. They also come with touch screens and flexible wheels