BRAUN 1-FOR-ALL-SWITCH Universal charger for li-ion batteries, round batteries (CR123, 18650, LIR123A), NiMH/NiCD batteries AA/AAA, prismatic batteries and NiMH/NiCd blocks 9 V Option to charge your electronic devices via a USB cable without having to remove the battery from the device. LCD display for charge status of rechargeable batteries. Simultaneous charging of mobile phone, iPod, iPad or iPhone and batteries possible. Micro-processor controlled automatic voltage detection of lithium-ion batteries 3.6-3.7V/7.2-7.4V (with reverse polarity protection) and NiMH/NiCd batteries and automatic adjustment of charge settings. Exact control of fast/trickle charge to ensure a gentle and complete charging of the batteries. The lithium-ion battery activator function refreshes exhaustively discharged batteries. Overload, short circuit and overheating protection as well as defective battery recognition.