XS Power RSV-S5-30Q 12V Lithium 1000A 230 Energy Wh Battery for 5000 WattsDESCRIPTION 12V BCI Group 30 30L, Lithium Titanate Powersports Battery Reserve Modules Designed for Peak Capacity This Titan8 Series Lithium Titanate Oxide (LTO) series uses a cell that is designed to maximize capacity and deep cycling abilities. They have double the amount of storage energy but only half of the instant discharge energy. This gives it double the capacity rating, but half of the wattage rating. Easily build a bank of nearly any