Purchased a battery for my Mercedes via Tanya Batteries. It arrived late but that was not Tanya Batteries fault. It was an issue with the delivery company. Having scoured the internet Tanya Batteries were by far the cheapest for the type of battery i needed. The only small issue i had was i was not sure whether the battery came charged or not. I discovered it was not fully charged on arrival. Perhaps i small note within the package stating that the battery was not charged would of easily solved that small issue. On the whole i`m more that satisfied with my purchase. It nearly six months on and i have had no issues with the battery. I would recommend them