the battery pump works with a maximum pressure of 2 bar, you can choose between three power levels and set the amount of water passing through individually using the control valve, the maximum delivery rate is 2000 lh, the device comes as a ready-to-use set with a quick charger and 18V battery from the POWER FOR ALL ALLIANCE, the maximum runtime is up to 65 minutes, depending on the mode selected, the integrated AutoStop dry-running protection ensures that the pump switches off and is not damaged if there is not enough water in the rain barrel is, the filter system integrated in the base keeps dirt particles out, so the pump can always run trouble-free, use the timer to select how long the barrel pump should run (5, 10 or 15 minutes), it then switches off automatically, the telescopic tube off Aluminum is angled so that the water is pumped out without loss and kinks, you can adjust its length to the height of the rain barrel, the pump is light ht and handy, the retracted telescopic tube serves as a handle, the battery is attached directly to the pump and forms a compact unit with it, so you can easily take the pump to another location