The Nitecore UMS4 is an intelligent, QC 2.0 compatible USB charger with four charging slots and LC-display.The UMS4 can be used to charge Li-Ion, NiMH/NiCd and LiFePO4 rechargeable batteries. The charger detects the battery type, determines the battery status, the charging status of the battery and automatically determines the correct charging procedure. The default charging current is 1000 mA. Depending on the battery type, this can be manually increased to up to 2000 mA and up to 3000 mA in QC mode. Maximum charging current for an occupied slot: 3000 mA, for 4 occupied slots 1000 mA per slot. Is supplied with power via USB and can thus also be operated via any USB output.This text is machine translated.