Starter kit to power a wide range of rechargeable devices Sthor 20 V system The kit includes: • 4 Ah battery • 2 Ah battery • 2 A charger The charger is capable of charging the battery in 60 min (2 Ah) and 120 min (4 Ah) The device will disconnect automatically when fully charged and has a diagnostic function In case of cell damage, it interrupts charging and indicates with a flashing red LED the need to replace the battery.