The VARTA USB Quattro Charger Set charges up to four AA or AAA NiMH rechargeable batteries simultaneously. A flexible power supply is possible via the USB-C connection with 5 V / 1 A. LED indicators provide information about the charge status. Thanks to integrated safety technology with minus-delta-V cut-off, safety timer and short-circuit and polarity protection, rechargeable batteries are charged reliably and gently. The scope of delivery includes four AA Recharge Accu Value 2100 mAh.