Special Subzero Infinity version for charging in extreme cold of up to -20c POWEROAD LINC INFI, the smart 12V LiFePo4 battery, can provide unsurpassed performance with unlimited batteries in parallel connection and up to 4 batteries in serial connection. Low height profile for underseat fitment 195mm LINC INFI is the 12V Lithium battery, is backed by the best quality standards. Harness the full capacity potential of your battery with Lithium. Full discharge capability thus using all the capacity available. Thanks to our deep know-how in battery technology, the capacity of LINC INFI is infinite by connecting them unlimitedly in parallel and the voltage can be increased to 48V with 4 batteries in serial connection, which is flexible for Lithium battery DIY. Whats more, with built-in Bluetooth, battery status of SOC, voltage, and etc., can be easily monitored through POWEROAD App in your mobile phone. Now the APP is available for both iOS system and Android system. Inbuilt LED sta