This is a custom Maxamp RS7 60v replacement pack utilizing Sanyo NCR18650GA cells and a smart bluetooth bms that you can view on your phone. The connectors wll be what comes stock with the RS7 (dual XT60 and Dual ELP). This is truely a plug and play for your old worn out RS7 battery. This pack is capable of delivering a constant 120a of current. Although your RS7 wont pull that much current. These packs are ready to ship. Now you can see whats actually going on with the battery with the included smart BMS. There is a 6 month warranty against manufacturers defects. Exposure to liquid and leaving the battery on idle at a full charge will degrade the pack and isn't covered under waranty. If you plan on leaving the battery on idle you must charge or dicharge it to 60% full capacity for up to a month.