Sunsynk 5.32kWh Lithium Battery 48VSunsynk 5. 1kwh Lithium ion battery Sunsynk has produced a perfect storage solution. The module consists of Lithium Ferro phosphate rechargeable batteries with 5. 12kWh capacity rated at 51. 2V 100Ah with a built in battery management system. The battery can be expected to remain serviceable for more than 10 years and this takes into consideration that it is charged and discharged once per day at room temperature (25C). Lithium Ferro phosphate