What “balanced” usually describes
A balanced model generally feels as if its mass is distributed more evenly. Some players perceive it as easier to start or control. That is a feel description, not a promise of better contact or a faster swing for everyone.
Use the same listed weight when you compare balance so the player can isolate the difference in barrel presence.
What “end-loaded” usually describes
An end-loaded bat tends to create a stronger perception of mass toward the barrel. A slight end load sits between a balanced and a more pronounced end-loaded configuration. Players who prefer more barrel presence may want to compare it, while others may prefer a more neutral-feeling option.
The listed weight alone does not tell the whole story. Construction and the individual model can change the result.
How to test without guessing
Compare two models with the same sport, accepted certification, listed weight and similar construction. Change only the balance. Note whether timing, control and comfort change after several natural swings.
If you also change weight or construction, you cannot know whether the load distribution was the meaningful difference.
Make rules the first filter
Load preference does not decide whether a bat is permitted. Verify the required league or tournament stamp before purchase, then use feel to narrow the compatible options.