You can tell I'm not a science major right? But when I charge something with a charger that has a rating less than the original charger has it does not work, for instance I tried to use a charger that had a 400mAmp rating with a product that has a charger rated 1A, it did register not being charged (the charging light indicator did not light). And cell phone manufacturers warn that a charger with a higher rating can damage the product. That was my reasoning.
As for the tip, I was able to get one that works with my XPal -Energizer Energi to Go battery. But, it took the company 5 tries to get it right.
http://tipfinder.xpalpower.com/02tip...&model=eDGe%20