VARTA LongLife Alkaline Battery AA

Worldwide Charging: UK plug, US plug, AUS plug and EU plug available, the travel plug adapter can be used in over 180 countries, no need to change or buy converter when you come into a new place.
Dual-USB Ports: Equipped with two USB inputs and AC adapter, the international power adapter can charge three devices simultaneously, works well with most electronic devices.
Safe is the First: Working voltage 110V-240V, max 6A output, built-in surge protector ensures stable conductivity without over current, short-circuit and over-heat problems in charging.
Travel Portable Size: 3 X 2 X 1.6″, small size takes less luggage space, just put it in bag or pocket, easy to carry it anywhere, which offers easy charging and makes your trip much convenient.