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Credit card processing fees are usually higher, costing businesses about 1 to 1.5% of the transaction value for Visa and MasterCard, and 1.5 to 2% for an American Express card. Q I bought tickets for an activity using my Visa credit card and was charged a 5% credit card surcharge. We'll be looking at how well it compares to a 1.2V rechargeable battery and to the current batch of NiMH rechargeable batteries, when used in devices that require more than a few AA batteries to operate. [Extracted from the article]