Check the listing for details. Tenergy 25. Color: Red, Condition: New. Listed at 71.99 USD. Butterfly Tenergy 25, in various tests with Butterfly-sponsored world class players, proved to be the most suitable for playing close to the table. Using our Racket Care Kit, use one pump of the Spin Refresh on each side of inverted rubber, then use the Rubber Care Sponge to thoroughly clean it.