Hello, few suggestions below :)
1. Can we have autocomplete input field in the Customer Balance view?
2. When you enter an amount in the Edit Customers Balance and hit enter - instead of pressing the Save button - the page refresh but nothing happens, no amount is added.
3. Could you add Save & Exit button in the Edit Customer Balance please?
4. Could you also add (in the Edit Customer Balance) an input field that will create Payment towards order (the same way like in History of Uses -> Coupons -> Add New) and in the result reduce balance?