The VARTA LCD Universal Charger plus can charge up to 4 AA/AAA/C/D and 1x 9V rechargeable batteries. The comprehensive safety features include: Minus Delta U shutdown, short circuit protection, protection against incorrect polarity, detection of alkaline and defective cells and a safety timer. The intuitive LCD display, which shows the charge level, and the automatic shutdown of the charging process complete the LCD Universal Charger plus, making it your reliable all-rounder for all your batteries.