Ctek MULTI XS 25000 - 12volt - 25amp For those who need power. The MULTI XS 25000 is the perfect choice for batteries that require quick charging, including caravans, boats and the workshop. The temperature sensor adjusts the charge voltage to suit the battery’s temperature to guarantee effective battery charging in all climates. Using its SUPPLY mode, the battery charger provides power even without a battery. The SUPPLY mode is indispensable when changing the battery as you avoid losing difficult-to-restore program settings. Using RECOND mode, you can correct the acid stratification that often occurs in deeply discharged batteries. The battery thereby has its power restored and has a longer service life.