GutAlkaLi LR44 1.5V Alkaline Button Coin Cell Batteries - Pack of 10 for Many Small Electronics, Including Watches, Calculators, and Toys - Compatible with AG13, 357, 303, SR44, and A76 Battery.: Amazon.co.uk:
Amazon.com: Rayovac LR44 Battery, Silver Oxide 303, 357, AG13, or SR44 1.5 Volt Batteries (3 Battery Count) : Health & Household