PRE-ORDER – SPECIAL PRICE – ESTIMATED SHIP DATE SEPT 30- LiFePO4 Chemistry – Deep Cycle Battery- HEATED – Internal heating allows for charging in sub-zero conditions- BLUETOOTH – iOS and Android Apps- Built-in Smart Battery Management System (BMS)- Over charge and over discharge protection- Over current and short circuit protection- High & low temperature disconnects- Max (4) in Series up to 48V- Max (4) in Parallel up to 1,200Ah- 4,000+ Cycle life & Maintenance-free- 11 Year Manufacturer Warranty