This is a slim fast-charge type battery charger suitable for travels. Its input voltage is 100-240V AC for worldwide use. It auto-selects a charging current for AA and AAA size cells.
Built-in 5V USB output port (5V DC 500mA)
Auto cut-off safety timer
Negative delta V cut-off function
Short circuit protection
Defective and non-rechargeable battery detection
Reverse polarity protection
2 green LEDs to indicate the battery charging status