Bowler Ratings


Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our premium members.

General Info

Name:Energy Source
Reviewed:July 2014
Coverstock Specs
Name:XL4500 Hybrid
Type:Reactive Hybrid
Box Finish:500 / 500 / 500 / 1000 Abralon / Powerhouse Factory Finish Polish
Color:Black / Red / Silver
Core Specs
Int. Diff:0.013

For details on our standard test layouts, please click here.

The Energy Source joins the Source and Legacy in the Upper Mid Performance price point for Ebonite. This ball takes the Mission core that was in the original Source and wraps it with the new hybrid XL4500 coverstock. In addition to the different coverstock makeup, the box finish is also different from the Source. This ball is finished at a rougher grit before the polish is applied in the last step of the finishing process. These two new elements combine to give the Energy Source quite a different reaction shape from the first Source.

The Energy Source gave our testers a much smoother reaction on our medium test pattern than we saw from the original Source. The hybrid cover picked up stronger up front and in the midlane, giving us a more

Ebonite Energy Source Comparisons

Click below to see a comparison table of each pair of bowling balls shown:

To compare the Ebonite Energy Source to any other bowling ball(s), please use our Bowling Ball Comparison tool.

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.