Get 15% off at Fogstar.co.uk with this discount code. Just add the code to your cart to receive 15% off site-wide with their Fogstar Friday promotion. Get 18650 batteries at a discounted price as well a other Vape batteries such as 21700 or 20700 batteries. There is a wide range of choice at great prices. Valid until 11:59pm tonight (Friday 20th July 2018).