Each Payment Method Charge/Fee
It provides the functionality to set different payment fee/charge for all payment methods. If you want to charge additional fee depending on the selected payment method (and don't want to add additional charge in your product cost or don't want to increase any other cost) at your OpenCart store then this extension would be very helpful.

A merchant wants to provide different payment options to their customers.
And want to charge additional $0.95 if customer chooses Cash On Delivery or Check/Money order method to complete the order and make the payment.
Also want that if customer select to make the payment through PayPal then the charge should be 2.5% of the subtotal. And no payment charge if customer makes the payment through Credit Card.

FEATURES:

• Support for all payment methods
  
• Apply payment charge at frontend according to the selected payment method
  
• Set charge type: percentage and fixed amount
  
• Set charge title for every payment method
  
• Option choose customer groups and coutries for which fees will be displayed
  
• Option to set the minimum and maximum total value it must have
  
• Possibility to set the start/end date when an additional fee is to be charged
  
• Support most of the One Page Checkout
  
• Enable/disable each fee
  
• Multistore
  
• Multilingual

DEMO:
Module Settings (Extensions -> Extensions -> Order Totals -> Payment Method Charge)
Front-end Checkout Page

REQUIREMENTS:

• OpenCart 1.5.1.x and higher
• VQMOD 2.6.2 and higher (https://github.com/vqmod/vqmod/releases) only for Opencart 1.5.1 - 2.2.x