Having discovered TradeNRG, theyve been competitively priced to Amazon. Having previously ordered batteries from Amazon suppliers, I've found that they've had short remaining battery life and not lasted long at all. I found some helpful articles and information whilst having to research on the best and appropriate watch batteries to buy, and also that TradeNRG batteries have a good remaining shelf-life in the order of years depending on whatever batteries I needed. Have repeatedly used TradeNRG, delivery has been included in the price and fast. Their Customer Service has also been great. Thanks to the Team.